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[Search a list of Patent Appplications for class 209]  Class   209CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS
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[List of Patents for class 209 subclass 1]  1           MISCELLANEOUS
[List of Patents for class 209 subclass 2]  2           SPECIAL APPLICATIONS
[List of Patents for class 209 subclass 3]  3           PRECEDENT PREPARATION OF ITEMS OR MATERIALS TO FACILITATE SEPARATION
[List of Patents for class 209 subclass 3.1]  3.1           Subclass 3.1 indent level is 1 Sorting special items or sorting by methods and apparatus includible in subclasses 509 through 707
[List of Patents for class 209 subclass 3.2]  3.2           Subclass 3.2 indent level is 2 Condition responsive sensor controlling preparation
[List of Patents for class 209 subclass 3.3]  3.3           Subclass 3.3 indent level is 2 Marking or tagging item
[List of Patents for class 209 subclass 4]  4           Subclass 4 indent level is 1 Selective differentiation
[List of Patents for class 209 subclass 5]  5           Subclass 5 indent level is 2 Deflocculation and flocculation
[List of Patents for class 209 subclass 7]  7           Subclass 7 indent level is 2 Form
[List of Patents for class 209 subclass 8]  8           Subclass 8 indent level is 2 Magnetizing and demagnetizing
[List of Patents for class 209 subclass 9]  9           Subclass 9 indent level is 2 Surface
[List of Patents for class 209 subclass 10]  10           TREATMENT SUBSEQUENT
[List of Patents for class 209 subclass 11]  11           WITH HEAT TREATMENT
[List of Patents for class 209 subclass 12.1]  12.1           PLURAL, DIVERSE SEPARATING OPERATIONS
[List of Patents for class 209 subclass 12.2]  12.2           Subclass 12.2 indent level is 1 Including electrostatic
[List of Patents for class 209 subclass 13]  13           Subclass 13 indent level is 1 Aqueous suspension, sifting, and stratifying
[List of Patents for class 209 subclass 14]  14           Subclass 14 indent level is 1 Mercurial adhesion, sifting, and stratifying
[List of Patents for class 209 subclass 19]  19           Subclass 19 indent level is 1 Gaseous suspension, sifting, and stratifying
[List of Patents for class 209 subclass 15]  15           Subclass 15 indent level is 1 Mercurial suspension or adhesion and fluid suspension
[List of Patents for class 209 subclass 16]  16           Subclass 16 indent level is 2 Aqueous suspension
[List of Patents for class 209 subclass 17]  17           Subclass 17 indent level is 1 Aqueous suspension and sifting
[List of Patents for class 209 subclass 18]  18           Subclass 18 indent level is 1 Aqueous suspension and stratifying
[List of Patents for class 209 subclass 20]  20           Subclass 20 indent level is 1 Gaseous suspension and stratifying
[List of Patents for class 209 subclass 21]  21           Subclass 21 indent level is 1 Gaseous suspension and sifting
[List of Patents for class 209 subclass 22]  22           Subclass 22 indent level is 2 Coincident
[List of Patents for class 209 subclass 23]  23           Subclass 23 indent level is 3 With deposition
[List of Patents for class 209 subclass 24]  24           Subclass 24 indent level is 3 Horizontal current
[List of Patents for class 209 subclass 25]  25           Subclass 25 indent level is 4 With deposition
[List of Patents for class 209 subclass 26]  26           Subclass 26 indent level is 3 Inclined current
[List of Patents for class 209 subclass 27]  27           Subclass 27 indent level is 4 With deposition
[List of Patents for class 209 subclass 28]  28           Subclass 28 indent level is 3 Vertical current
[List of Patents for class 209 subclass 29]  29           Subclass 29 indent level is 4 With deposition
[List of Patents for class 209 subclass 30]  30           Subclass 30 indent level is 2 Successive
[List of Patents for class 209 subclass 31]  31           Subclass 31 indent level is 3 With deposition
[List of Patents for class 209 subclass 32]  32           Subclass 32 indent level is 3 Horizontal current
[List of Patents for class 209 subclass 33]  33           Subclass 33 indent level is 4 With deposition
[List of Patents for class 209 subclass 34]  34           Subclass 34 indent level is 3 Inclined current
[List of Patents for class 209 subclass 35]  35           Subclass 35 indent level is 4 With deposition
[List of Patents for class 209 subclass 36]  36           Subclass 36 indent level is 3 Vertical current
[List of Patents for class 209 subclass 37]  37           Subclass 37 indent level is 4 With deposition
[List of Patents for class 209 subclass 38]  38           Subclass 38 indent level is 1 Magnetic and sifting
[List of Patents for class 209 subclass 39]  39           Subclass 39 indent level is 1 Magnetic and fluid suspension
[List of Patents for class 209 subclass 40]  40           Subclass 40 indent level is 1 Magnetic and stratifying
[List of Patents for class 209 subclass 41]  41           Subclass 41 indent level is 1 Mercurial suspension and mercurial adhesion
[List of Patents for class 209 subclass 42]  42           Subclass 42 indent level is 1 Mercurial adhesion or suspension and sifting
[List of Patents for class 209 subclass 43]  43           Subclass 43 indent level is 1 Mercurial adhesion or suspension and stratifying
[List of Patents for class 209 subclass 44]  44           Subclass 44 indent level is 1 Sifting and stratifying
[List of Patents for class 209 subclass 44.1]  44.1           Subclass 44.1 indent level is 1 Including sorting of special items or sorting by methods or apparatus includible in subclasses 509 through 707
[List of Patents for class 209 subclass 44.2]  44.2           Subclass 44.2 indent level is 2 Fluid jet
[List of Patents for class 209 subclass 44.3]  44.3           Subclass 44.3 indent level is 2 Drum-type sifter
[List of Patents for class 209 subclass 44.4]  44.4           Subclass 44.4 indent level is 2 Manual sorting
[List of Patents for class 209 subclass 45]  45           ADHESION
[List of Patents for class 209 subclass 46]  46           Subclass 46 indent level is 1 With selective differentiation
[List of Patents for class 209 subclass 47]  47           Subclass 47 indent level is 2 Coating
[List of Patents for class 209 subclass 48]  48           Subclass 48 indent level is 3 Mercurial (i.e., amalgamators)
[List of Patents for class 209 subclass 49]  49           Subclass 49 indent level is 1 Coated surface or mass
[List of Patents for class 209 subclass 50]  50           Subclass 50 indent level is 2 Mercurial
[List of Patents for class 209 subclass 51]  51           Subclass 51 indent level is 3 Applying or removing coat
[List of Patents for class 209 subclass 52]  52           Subclass 52 indent level is 3 Contact elements
[List of Patents for class 209 subclass 53]  53           Subclass 53 indent level is 4 Agitators
[List of Patents for class 209 subclass 54]  54           Subclass 54 indent level is 4 Baffles
[List of Patents for class 209 subclass 55]  55           Subclass 55 indent level is 4 Disks and spheres
[List of Patents for class 209 subclass 56]  56           Subclass 56 indent level is 4 Liners
[List of Patents for class 209 subclass 57]  57           Subclass 57 indent level is 4 Percolators
[List of Patents for class 209 subclass 58]  58           Subclass 58 indent level is 3 Receivers
[List of Patents for class 209 subclass 59]  59           Subclass 59 indent level is 4 Rotating
[List of Patents for class 209 subclass 60]  60           Subclass 60 indent level is 5 Centrifugal
[List of Patents for class 209 subclass 61]  61           Subclass 61 indent level is 5 Cylinders, external
[List of Patents for class 209 subclass 62]  62           Subclass 62 indent level is 5 Cylinders, internal
[List of Patents for class 209 subclass 63]  63           Subclass 63 indent level is 5 Endless belt
[List of Patents for class 209 subclass 64]  64           Subclass 64 indent level is 4 Shaking
[List of Patents for class 209 subclass 65]  65           Subclass 65 indent level is 4 With agitating or conveying
[List of Patents for class 209 subclass 66]  66           Subclass 66 indent level is 5 Fluid
[List of Patents for class 209 subclass 67]  67           Subclass 67 indent level is 5 With rubbing
[List of Patents for class 209 subclass 68]  68           Subclass 68 indent level is 5 Impact
[List of Patents for class 209 subclass 69]  69           Subclass 69 indent level is 5 Reciprocating
[List of Patents for class 209 subclass 70]  70           Subclass 70 indent level is 5 Rotating
[List of Patents for class 209 subclass 127.1]  127.1           ELECTROSTATIC
[List of Patents for class 209 subclass 127.2]  127.2           Subclass 127.2 indent level is 1 With heating of particles
[List of Patents for class 209 subclass 127.3]  127.3           Subclass 127.3 indent level is 1 With vibrating trough charging of particles
[List of Patents for class 209 subclass 127.4]  127.4           Subclass 127.4 indent level is 1 Free fall type particle charging
[List of Patents for class 209 subclass 128]  128           Subclass 128 indent level is 1 Attracting and repelling
[List of Patents for class 209 subclass 129]  129           Subclass 129 indent level is 1 Attracting
[List of Patents for class 209 subclass 130]  130           Subclass 130 indent level is 1 Repelling
[List of Patents for class 209 subclass 131]  131           Subclass 131 indent level is 1 Stratifying
[List of Patents for class 209 subclass 509]  509           SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS
[List of Patents for class 209 subclass 510]  510           Subclass 510 indent level is 1 Sorting eggs or components thereof
[List of Patents for class 209 subclass 511]  511           Subclass 511 indent level is 2 Radiant energy sensing means controls separating means
[List of Patents for class 209 subclass 512]  512           Subclass 512 indent level is 2 By weight
[List of Patents for class 209 subclass 513]  513           Subclass 513 indent level is 3 Sensing egg weight and controlling separating means in accordance therewith
[List of Patents for class 209 subclass 514]  514           Subclass 514 indent level is 3 Orbiting or rotating carrier responsive to egg weight
[List of Patents for class 209 subclass 515]  515           Subclass 515 indent level is 4 Carrier tilted by means (e.g., trip, cam, etc.) adjacent travel path when depressed to particular elevation
[List of Patents for class 209 subclass 516]  516           Subclass 516 indent level is 3 Same eggs successively placed on means (e.g., balance beams, etc.) responsive to different weights
[List of Patents for class 209 subclass 517]  517           Subclass 517 indent level is 1 Sorting lumber, logs, pipes, rails, or like items
[List of Patents for class 209 subclass 518]  518           Subclass 518 indent level is 2 Condition responsive means controls separating means
[List of Patents for class 209 subclass 519]  519           Subclass 519 indent level is 3 Relatively movable calipers closed against item
[List of Patents for class 209 subclass 520]  520           Subclass 520 indent level is 3 Sensor responsive to item contact
[List of Patents for class 209 subclass 521]  521           Subclass 521 indent level is 2 With endless conveyor belt
[List of Patents for class 209 subclass 522]  522           Subclass 522 indent level is 1 Sorting bottles, ampoules, jars, drinking vessels, or like ceramic or glass containers
[List of Patents for class 209 subclass 523]  523           Subclass 523 indent level is 2 Condition responsive means controls separating means
[List of Patents for class 209 subclass 524]  524           Subclass 524 indent level is 3 Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct (e.g., label, cap, etc.) thereof
[List of Patents for class 209 subclass 525]  525           Subclass 525 indent level is 4 Sizing with visible light beam
[List of Patents for class 209 subclass 526]  526           Subclass 526 indent level is 4 Detecting internal flaw (e.g., air bubble, crack, etc.) in wall of item
[List of Patents for class 209 subclass 527]  527           Subclass 527 indent level is 5 By means of radio frequency radiation
[List of Patents for class 209 subclass 528]  528           Subclass 528 indent level is 4 Detecting flaw in, or absence or misplacement of, label on item
[List of Patents for class 209 subclass 529]  529           Subclass 529 indent level is 3 Sensing position, shape, or presence of closure
[List of Patents for class 209 subclass 530]  530           Subclass 530 indent level is 3 Sensor contacts item
[List of Patents for class 209 subclass 531]  531           Subclass 531 indent level is 4 Gauge
[List of Patents for class 209 subclass 532]  532           Subclass 532 indent level is 5 Plug
[List of Patents for class 209 subclass 533]  533           Subclass 533 indent level is 5 Relatively movable calipers closed against item
[List of Patents for class 209 subclass 534]  534           Subclass 534 indent level is 1 Sorting paper money
[List of Patents for class 209 subclass 535]  535           Subclass 535 indent level is 1 Sorting cigarettes, cigars, or packages thereof
[List of Patents for class 209 subclass 536]  536           Subclass 536 indent level is 2 Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct thereof
[List of Patents for class 209 subclass 537]  537           Subclass 537 indent level is 2 Fluid or vacuum sensing means controls separating means
[List of Patents for class 209 subclass 538]  538           Subclass 538 indent level is 1 Nonconveying driven means for turning item at separating or inspecting station to facilitate sorting
[List of Patents for class 209 subclass 539]  539           Subclass 539 indent level is 1 Traveling items shifted to form line, or into end or edge alignment, to facilitate inspection or separation
[List of Patents for class 209 subclass 540]  540           Subclass 540 indent level is 1 Traveling item turned to predetermined position
[List of Patents for class 209 subclass 541]  541           Subclass 541 indent level is 2 Plural orienting means
[List of Patents for class 209 subclass 542]  542           Subclass 542 indent level is 2 Reciprocable or pivotable orienting means
[List of Patents for class 209 subclass 543]  543           Subclass 543 indent level is 2 Fluid orienting means
[List of Patents for class 209 subclass 544]  544           Subclass 544 indent level is 2 Means orienting item moved by gravity
[List of Patents for class 209 subclass 545]  545           Subclass 545 indent level is 2 Driven orienting means
[List of Patents for class 209 subclass 546]  546           Subclass 546 indent level is 1 Signalling, indicating, or display means
[List of Patents for class 209 subclass 547]  547           Subclass 547 indent level is 2 Indicia associated with cards, file folders, or like coded items, or with sorting means therefor (including cards, per se, with edge coding)
[List of Patents for class 209 subclass 548]  548           Subclass 548 indent level is 2 Operation of apparatus stopped
[List of Patents for class 209 subclass 549]  549           Subclass 549 indent level is 2 Signal lamp or audible alarm
[List of Patents for class 209 subclass 550]  550           Subclass 550 indent level is 2 Indicating scale
[List of Patents for class 209 subclass 551]  551           Subclass 551 indent level is 2 Item counter
[List of Patents for class 209 subclass 552]  552           Subclass 552 indent level is 1 Condition responsive means controls separating means
[List of Patents for class 209 subclass 553]  553           Subclass 553 indent level is 2 Cards or sheets separated by rotatable suction drum
[List of Patents for class 209 subclass 554]  554           Subclass 554 indent level is 2 Sorting cards or sheets coded by perforation
[List of Patents for class 209 subclass 555]  555           Subclass 555 indent level is 2 Diverse
[List of Patents for class 209 subclass 556]  556           Subclass 556 indent level is 3 Diverse electrical tests
[List of Patents for class 209 subclass 557]  557           Subclass 557 indent level is 3 Including noncondition-responsive separating means
[List of Patents for class 209 subclass 558]  558           Subclass 558 indent level is 3 At single station
[List of Patents for class 209 subclass 559]  559           Subclass 559 indent level is 2 Means (e.g., information storing device, timer, delaying relay, etc.) delaying actuation of separating means
[List of Patents for class 209 subclass 560]  560           Subclass 560 indent level is 3 Mechanical
[List of Patents for class 209 subclass 561]  561           Subclass 561 indent level is 4 Rotatable pin carrier
[List of Patents for class 209 subclass 562]  562           Subclass 562 indent level is 3 Magnetic
[List of Patents for class 209 subclass 563]  563           Subclass 563 indent level is 4 Electrical
[List of Patents for class 209 subclass 564]  564           Subclass 564 indent level is 5 Electronic
[List of Patents for class 209 subclass 565]  565           Subclass 565 indent level is 6 Shift register
[List of Patents for class 209 subclass 566]  566           Subclass 566 indent level is 7 Controlled by article
[List of Patents for class 209 subclass 567]  567           Subclass 567 indent level is 2 Magnetic test sensing property of item
[List of Patents for class 209 subclass 568]  568           Subclass 568 indent level is 3 Magnetic core tested
[List of Patents for class 209 subclass 569]  569           Subclass 569 indent level is 3 Reading indicia
[List of Patents for class 209 subclass 570]  570           Subclass 570 indent level is 3 Permeability
[List of Patents for class 209 subclass 571]  571           Subclass 571 indent level is 2 Electrical test sensing property of item
[List of Patents for class 209 subclass 572]  572           Subclass 572 indent level is 3 Detecting flaw in dielectric
[List of Patents for class 209 subclass 573]  573           Subclass 573 indent level is 3 Electrical component tested
[List of Patents for class 209 subclass 574]  574           Subclass 574 indent level is 4 Resistor or capacitor
[List of Patents for class 209 subclass 575]  575           Subclass 575 indent level is 4 Lamp or battery
[List of Patents for class 209 subclass 576]  576           Subclass 576 indent level is 2 Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct thereof
[List of Patents for class 209 subclass 577]  577           Subclass 577 indent level is 3 Infrared, visible light, or ultraviolet
[List of Patents for class 209 subclass 578]  578           Subclass 578 indent level is 4 Ultraviolet
[List of Patents for class 209 subclass 579]  579           Subclass 579 indent level is 4 Laser
[List of Patents for class 209 subclass 580]  580           Subclass 580 indent level is 4 Color detection
[List of Patents for class 209 subclass 581]  581           Subclass 581 indent level is 5 Intensity
[List of Patents for class 209 subclass 582]  582           Subclass 582 indent level is 6 Measuring ratio of sensed intensities
[List of Patents for class 209 subclass 583]  583           Subclass 583 indent level is 4 Reading indicia
[List of Patents for class 209 subclass 584]  584           Subclass 584 indent level is 5 On mail
[List of Patents for class 209 subclass 585]  585           Subclass 585 indent level is 4 Mirror or prism in optical path
[List of Patents for class 209 subclass 586]  586           Subclass 586 indent level is 4 Sizing
[List of Patents for class 209 subclass 587]  587           Subclass 587 indent level is 4 Reflected from item
[List of Patents for class 209 subclass 588]  588           Subclass 588 indent level is 4 Transmitted through item
[List of Patents for class 209 subclass 589]  589           Subclass 589 indent level is 3 X-ray or gamma ray
[List of Patents for class 209 subclass 590]  590           Subclass 590 indent level is 3 Sonic or supersonic energy
[List of Patents for class 209 subclass 591]  591           Subclass 591 indent level is 2 Sensing by applying fluid or vacuum to item
[List of Patents for class 209 subclass 592]  592           Subclass 592 indent level is 2 Responsive to weight of item
[List of Patents for class 209 subclass 593]  593           Subclass 593 indent level is 3 Detecting movement of item support with electrical sensor
[List of Patents for class 209 subclass 594]  594           Subclass 594 indent level is 4 Photodetector
[List of Patents for class 209 subclass 595]  595           Subclass 595 indent level is 4 Switch
[List of Patents for class 209 subclass 596]  596           Subclass 596 indent level is 3 Pusher or deflector controls movement of item on separate support
[List of Patents for class 209 subclass 597]  597           Subclass 597 indent level is 2 Sensing position, shape, or presence of closure or end wall on container
[List of Patents for class 209 subclass 598]  598           Subclass 598 indent level is 2 Sensing contour of item having no missing parts
[List of Patents for class 209 subclass 599]  599           Subclass 599 indent level is 2 Sorting items according to susceptibility to deform (e.g., malleability, hardness, compressibility, etc.), rupture, or vibrate
[List of Patents for class 209 subclass 600]  600           Subclass 600 indent level is 2 Sensor contacts item
[List of Patents for class 209 subclass 601]  601           Subclass 601 indent level is 3 Gauge
[List of Patents for class 209 subclass 602]  602           Subclass 602 indent level is 4 Relatively movable calipers closed against item
[List of Patents for class 209 subclass 603]  603           Subclass 603 indent level is 4 Sheet gauging
[List of Patents for class 209 subclass 604]  604           Subclass 604 indent level is 4 Sensor generates electrical signal
[List of Patents for class 209 subclass 605]  605           Subclass 605 indent level is 5 Items separated into at least three classes
[List of Patents for class 209 subclass 606]  606           Subclass 606 indent level is 1 Separating means
[List of Patents for class 209 subclass 607]  607           Subclass 607 indent level is 2 Corn silk separator
[List of Patents for class 209 subclass 608]  608           Subclass 608 indent level is 2 Sorting items according to edge coding
[List of Patents for class 209 subclass 609]  609           Subclass 609 indent level is 3 Magnet attracts or repels item
[List of Patents for class 209 subclass 610]  610           Subclass 610 indent level is 3 Keyboard control
[List of Patents for class 209 subclass 611]  611           Subclass 611 indent level is 3 Cards, file folders, or like items sorted by means of necked-down notch thereon
[List of Patents for class 209 subclass 612]  612           Subclass 612 indent level is 3 Cards, file folders, or like items alternatively having notch or hole at particular location thereon
[List of Patents for class 209 subclass 613]  613           Subclass 613 indent level is 2 Sorting cards, file folders, or like items having coded sorting holes
[List of Patents for class 209 subclass 614]  614           Subclass 614 indent level is 2 Hand supported implements
[List of Patents for class 209 subclass 615]  615           Subclass 615 indent level is 2 Brush, flail, or rake used other than as one of opposed pair of gauge elements to separate, or to facilitate separation of, items
[List of Patents for class 209 subclass 616]  616           Subclass 616 indent level is 3 Rotatable
[List of Patents for class 209 subclass 617]  617           Subclass 617 indent level is 2 Item gripped between opposed elements
[List of Patents for class 209 subclass 618]  618           Subclass 618 indent level is 3 Rollers
[List of Patents for class 209 subclass 619]  619           Subclass 619 indent level is 2 Gauge enters hole in item
[List of Patents for class 209 subclass 620]  620           Subclass 620 indent level is 2 Gauging passage between orbiting belts
[List of Patents for class 209 subclass 621]  621           Subclass 621 indent level is 2 Rotating or orbiting carrier having expandable gauging passage passing items of different size at different points along carrier travel path
[List of Patents for class 209 subclass 622]  622           Subclass 622 indent level is 3 Belt
[List of Patents for class 209 subclass 623]  623           Subclass 623 indent level is 4 With gauging pocket for individual item
[List of Patents for class 209 subclass 624]  624           Subclass 624 indent level is 5 Pocket formed by rollers, disks, or wheels spaced transversely of belt or by contoured transverse roller, bar, or slat
[List of Patents for class 209 subclass 625]  625           Subclass 625 indent level is 2 Gauge with clearer other than continuous feeder
[List of Patents for class 209 subclass 626]  626           Subclass 626 indent level is 3 Spacing between gauge elements increased to free item
[List of Patents for class 209 subclass 627]  627           Subclass 627 indent level is 3 Rotatable or pivotable clearer
[List of Patents for class 209 subclass 628]  628           Subclass 628 indent level is 3 Stationary clearer
[List of Patents for class 209 subclass 629]  629           Subclass 629 indent level is 2 Diverse
[List of Patents for class 209 subclass 630]  630           Subclass 630 indent level is 3 Including means supporting items for manual sorting or allowing operator to control item destination
[List of Patents for class 209 subclass 631]  631           Subclass 631 indent level is 3 Including separation effected by items following different trajectories through space
[List of Patents for class 209 subclass 632]  632           Subclass 632 indent level is 3 Including separation effected by item of particular size passing through gauging passage between separate elements
[List of Patents for class 209 subclass 633]  633           Subclass 633 indent level is 4 Stationary elements
[List of Patents for class 209 subclass 634]  634           Subclass 634 indent level is 3 Including separation effected by item of particular size passing through gauging aperture in wall (e.g., perforated panel, etc.)
[List of Patents for class 209 subclass 635]  635           Subclass 635 indent level is 3 Including separation effected by different items traveling in different directions while contacting a surface
[List of Patents for class 209 subclass 636]  636           Subclass 636 indent level is 2 Magnet attracts or repels item
[List of Patents for class 209 subclass 637]  637           Subclass 637 indent level is 2 Items thrown or falling through space strike surface and only some rebound
[List of Patents for class 209 subclass 638]  638           Subclass 638 indent level is 2 Items separate by following different trajectories through space
[List of Patents for class 209 subclass 639]  639           Subclass 639 indent level is 3 Fluid jet changes trajectory of item
[List of Patents for class 209 subclass 640]  640           Subclass 640 indent level is 3 Items thrown or falling through space strike surface and rebound with different trajectories
[List of Patents for class 209 subclass 641]  641           Subclass 641 indent level is 3 Takeoff ramp adjustable to different angular positions relative to horizontal plane
[List of Patents for class 209 subclass 642]  642           Subclass 642 indent level is 3 Thrower
[List of Patents for class 209 subclass 643]  643           Subclass 643 indent level is 2 Suction
[List of Patents for class 209 subclass 644]  644           Subclass 644 indent level is 2 Fluid jet
[List of Patents for class 209 subclass 645]  645           Subclass 645 indent level is 2 Sorting items by weight
[List of Patents for class 209 subclass 646]  646           Subclass 646 indent level is 3 Orbiting or rotating carrier responsive to item weight
[List of Patents for class 209 subclass 647]  647           Subclass 647 indent level is 4 Counterbalance on balance beam moved until beam tilts to item discharging position
[List of Patents for class 209 subclass 648]  648           Subclass 648 indent level is 4 Carrier tilted by means (e.g., trip, cam, etc.) adjacent travel path when depressed to particular elevation
[List of Patents for class 209 subclass 649]  649           Subclass 649 indent level is 3 Same items successively placed on means (e.g., balance beams, etc.) responsive to different weights
[List of Patents for class 209 subclass 650]  650           Subclass 650 indent level is 3 Item support swings about fixed horizontal axis to discharge at different vertically spaced points
[List of Patents for class 209 subclass 651]  651           Subclass 651 indent level is 2 Pusher moving item on separate surface
[List of Patents for class 209 subclass 652]  652           Subclass 652 indent level is 3 Pivotable
[List of Patents for class 209 subclass 653]  653           Subclass 653 indent level is 3 Reciprocable
[List of Patents for class 209 subclass 654]  654           Subclass 654 indent level is 3 Rotatable
[List of Patents for class 209 subclass 655]  655           Subclass 655 indent level is 2 Gravity-type conveyor (e.g., chute, etc.) movable between different discharge positions
[List of Patents for class 209 subclass 656]  656           Subclass 656 indent level is 2 Movement of items along different paths controlled by passive deflector
[List of Patents for class 209 subclass 657]  657           Subclass 657 indent level is 3 Deflector movable into and out of path of item
[List of Patents for class 209 subclass 658]  658           Subclass 658 indent level is 3 Deflector spaced above conveying means to pass item of particular size thereunder
[List of Patents for class 209 subclass 659]  659           Subclass 659 indent level is 2 Sorting items by size
[List of Patents for class 209 subclass 660]  660           Subclass 660 indent level is 3 Item of particular size passed through gauging passage between separate elements
[List of Patents for class 209 subclass 661]  661           Subclass 661 indent level is 4 Gauging passage between stationary element (e.g., bar, slat, etc.) and orbiting belt
[List of Patents for class 209 subclass 662]  662           Subclass 662 indent level is 4 Gauging passage between stationary element (e.g., bar, slat, etc.) and roller
[List of Patents for class 209 subclass 663]  663           Subclass 663 indent level is 4 Gauging passage between orbiting belt and roller or wheel
[List of Patents for class 209 subclass 664]  664           Subclass 664 indent level is 4 Gauging passage between elements of rotating cage
[List of Patents for class 209 subclass 665]  665           Subclass 665 indent level is 4 Gauging passage between elements of orbiting belt
[List of Patents for class 209 subclass 666]  666           Subclass 666 indent level is 4 Item moves along curved gauging passage
[List of Patents for class 209 subclass 667]  667           Subclass 667 indent level is 4 Gauging passage between rotatable elements
[List of Patents for class 209 subclass 668]  668           Subclass 668 indent level is 5 Element adjustable to change width of gauging passage
[List of Patents for class 209 subclass 669]  669           Subclass 669 indent level is 5 Helical roller
[List of Patents for class 209 subclass 670]  670           Subclass 670 indent level is 5 Items move longitudinally of gauging passage varying in width along length thereof
[List of Patents for class 209 subclass 671]  671           Subclass 671 indent level is 5 Spindle or roller having projecting elements spaced circumferentially thereof
[List of Patents for class 209 subclass 672]  672           Subclass 672 indent level is 5 Spindle or roller having axially spaced, flat-sided circumferential elements (e.g., flanges, disks, wheels, etc.) projecting therefrom
[List of Patents for class 209 subclass 673]  673           Subclass 673 indent level is 5 Cylindrical rollers
[List of Patents for class 209 subclass 674]  674           Subclass 674 indent level is 4 Gauging passage between moving elements (e.g., vibrating bars, slats, etc.)
[List of Patents for class 209 subclass 675]  675           Subclass 675 indent level is 4 Gauging passage between stationary elements (e.g., bars, slats, etc.)
[List of Patents for class 209 subclass 676]  676           Subclass 676 indent level is 5 Element adjustable to change width of gauging passage
[List of Patents for class 209 subclass 677]  677           Subclass 677 indent level is 5 Items move longitudinally of elongate elements
[List of Patents for class 209 subclass 678]  678           Subclass 678 indent level is 6 With means moving, or regulating movement of, items along elements
[List of Patents for class 209 subclass 679]  679           Subclass 679 indent level is 6 Width of gauging passage varies
[List of Patents for class 209 subclass 680]  680           Subclass 680 indent level is 3 Item of particular size passed through gauging aperture in wall (e.g., perforated panel, etc.)
[List of Patents for class 209 subclass 681]  681           Subclass 681 indent level is 4 Aperture in orbiting belt
[List of Patents for class 209 subclass 682]  682           Subclass 682 indent level is 4 Aperture in chute or trough
[List of Patents for class 209 subclass 683]  683           Subclass 683 indent level is 4 Aperture in circumferential wall of hollow body (e.g., tube, etc.) rotatable about longitudinal axis thereof
[List of Patents for class 209 subclass 684]  684           Subclass 684 indent level is 3 Item of particular size or shape enters pocket
[List of Patents for class 209 subclass 685]  685           Subclass 685 indent level is 4 On orbiting belt
[List of Patents for class 209 subclass 686]  686           Subclass 686 indent level is 4 On exterior of drumlike body (e.g., roller, etc.) rotatable about longitudinal axis thereof
[List of Patents for class 209 subclass 687]  687           Subclass 687 indent level is 4 On interior of hollow drumlike body (e.g., tube, etc.) rotatable about longitudinal axis thereof
[List of Patents for class 209 subclass 688]  688           Subclass 688 indent level is 2 Means pierces, or enters preformed hole in, item
[List of Patents for class 209 subclass 689]  689           Subclass 689 indent level is 2 Items separate by traveling in different directions while contacting drumlike body (e.g., roller, hollow cylinder, etc.) turning about longitudinal axis thereof
[List of Patents for class 209 subclass 690]  690           Subclass 690 indent level is 3 Items travel circumferentially and longitudinally of turning axis
[List of Patents for class 209 subclass 691]  691           Subclass 691 indent level is 2 Items separate by traveling in different directions while contacting same inclined surface of moving support
[List of Patents for class 209 subclass 692]  692           Subclass 692 indent level is 3 Items contact inclined reach of orbiting belt
[List of Patents for class 209 subclass 693]  693           Subclass 693 indent level is 4 Item separating reach inclined only in direction of belt movement
[List of Patents for class 209 subclass 694]  694           Subclass 694 indent level is 3 Translating support
[List of Patents for class 209 subclass 695]  695           Subclass 695 indent level is 2 Items separate by traveling in different directions while contacting same horizontal surface of moving support
[List of Patents for class 209 subclass 696]  696           Subclass 696 indent level is 2 Items separate by traveling in different directions while contacting same inclined surface of static support
[List of Patents for class 209 subclass 697]  697           Subclass 697 indent level is 3 Helical ramp
[List of Patents for class 209 subclass 698]  698           Subclass 698 indent level is 2 Means movable between horizontal item-supporting position and gravity discharge position
[List of Patents for class 209 subclass 699]  699           Subclass 699 indent level is 2 Sorting items according to susceptibility to deform (e.g., malleability, hardness, compressibility, etc.), rupture, or vibrate
[List of Patents for class 209 subclass 700]  700           Subclass 700 indent level is 2 Sorting items according to roughness or adhesiveness
[List of Patents for class 209 subclass 701]  701           Subclass 701 indent level is 2 Item turned while traveling
[List of Patents for class 209 subclass 702]  702           Subclass 702 indent level is 2 Manual sorting
[List of Patents for class 209 subclass 703]  703           Subclass 703 indent level is 3 Item supported on table or chute
[List of Patents for class 209 subclass 704]  704           Subclass 704 indent level is 4 Rotated about vertical axis
[List of Patents for class 209 subclass 705]  705           Subclass 705 indent level is 3 Item supported on orbiting or rotating carrier
[List of Patents for class 209 subclass 706]  706           Subclass 706 indent level is 2 Specific compartment of receptacle brought into alignment with feed means by operator
[List of Patents for class 209 subclass 707]  707           Subclass 707 indent level is 2 Items separated by tipping, rolling, or sliding off support under force of gravity
[List of Patents for class 209 subclass 132]  132           FLUID SUSPENSION
[List of Patents for class 209 subclass 133]  133           Subclass 133 indent level is 1 Gaseous
[List of Patents for class 209 subclass 134]  134           Subclass 134 indent level is 2 Horizontal current
[List of Patents for class 209 subclass 135]  135           Subclass 135 indent level is 3 With deposition
[List of Patents for class 209 subclass 136]  136           Subclass 136 indent level is 2 Inclined current
[List of Patents for class 209 subclass 137]  137           Subclass 137 indent level is 3 With deposition
[List of Patents for class 209 subclass 138]  138           Subclass 138 indent level is 2 Vertical current
[List of Patents for class 209 subclass 139.1]  139.1           Subclass 139.1 indent level is 3 With deposition
[List of Patents for class 209 subclass 139.2]  139.2           Subclass 139.2 indent level is 4 With centrifugal feed distribution
[List of Patents for class 209 subclass 140]  140           Subclass 140 indent level is 3 Expanding
[List of Patents for class 209 subclass 141]  141           Subclass 141 indent level is 4 With deposition
[List of Patents for class 209 subclass 142]  142           Subclass 142 indent level is 2 Grading deposition
[List of Patents for class 209 subclass 143]  143           Subclass 143 indent level is 3 With deflection
[List of Patents for class 209 subclass 710]  710           Subclass 710 indent level is 4 Plural individual interconnected separation means having swirling currents
[List of Patents for class 209 subclass 711]  711           Subclass 711 indent level is 5 Fluidically induced, oppositely directed axial flows only (e.g., multiple cyclone arrangements, etc.)
[List of Patents for class 209 subclass 712]  712           Subclass 712 indent level is 6 Serial arrangement
[List of Patents for class 209 subclass 713]  713           Subclass 713 indent level is 4 Mechanically induced swirling
[List of Patents for class 209 subclass 714]  714           Subclass 714 indent level is 5 Eduction rotor
[List of Patents for class 209 subclass 715]  715           Subclass 715 indent level is 4 Fluidically induced, oppositely directed axial flows (e.g., reverse free-vortexes formed, cyclone, etc.)
[List of Patents for class 209 subclass 716]  716           Subclass 716 indent level is 5 Including auxiliary fluid
[List of Patents for class 209 subclass 717]  717           Subclass 717 indent level is 5 Including inlet characteristic (e.g., helix, spiral, volute, etc.)
[List of Patents for class 209 subclass 718]  718           Subclass 718 indent level is 6 Guide vane
[List of Patents for class 209 subclass 719]  719           Subclass 719 indent level is 6 Tangential
[List of Patents for class 209 subclass 720]  720           Subclass 720 indent level is 5 Including specific underflow outlet feature (e.g., apex discharge, etc.)
[List of Patents for class 209 subclass 721]  721           Subclass 721 indent level is 5 Including specific overflow outlet feature (e.g., adjustable vortex finder, shape, size, etc.)
[List of Patents for class 209 subclass 722]  722           Subclass 722 indent level is 4 Fluidically induced unidirectional swirling (e.g., axial, radial, tangential separation, free-vortex, etc.)
[List of Patents for class 209 subclass 723]  723           Subclass 723 indent level is 5 Plural extractions at diverse locations along flow path
[List of Patents for class 209 subclass 145]  145           Subclass 145 indent level is 2 Impetus and countercurrent
[List of Patents for class 209 subclass 146]  146           Subclass 146 indent level is 2 Feeding
[List of Patents for class 209 subclass 147]  147           Subclass 147 indent level is 3 Conveyor
[List of Patents for class 209 subclass 148]  148           Subclass 148 indent level is 4 Centrifugal
[List of Patents for class 209 subclass 149]  149           Subclass 149 indent level is 4 Chute
[List of Patents for class 209 subclass 150]  150           Subclass 150 indent level is 4 Disk or cone
[List of Patents for class 209 subclass 151]  151           Subclass 151 indent level is 4 Stepped plane
[List of Patents for class 209 subclass 152]  152           Subclass 152 indent level is 3 Cylinder internal
[List of Patents for class 209 subclass 153]  153           Subclass 153 indent level is 3 Tossers
[List of Patents for class 209 subclass 154]  154           Subclass 154 indent level is 2 Current control
[List of Patents for class 209 subclass 155]  155           Subclass 155 indent level is 1 Liquid
[List of Patents for class 209 subclass 156]  156           Subclass 156 indent level is 2 Horizontal current
[List of Patents for class 209 subclass 157]  157           Subclass 157 indent level is 2 Inclined current
[List of Patents for class 209 subclass 158]  158           Subclass 158 indent level is 2 Vertical current
[List of Patents for class 209 subclass 159]  159           Subclass 159 indent level is 3 With agitation
[List of Patents for class 209 subclass 160]  160           Subclass 160 indent level is 3 Expanding
[List of Patents for class 209 subclass 161]  161           Subclass 161 indent level is 4 With agitation
[List of Patents for class 209 subclass 162]  162           Subclass 162 indent level is 2 Floating
[List of Patents for class 209 subclass 163]  163           Subclass 163 indent level is 3 Buoyant material
              Subclass indent level is 4 Bubbles
[List of Patents for class 209 subclass 164]  164           Subclass 164 indent level is 5 Processes
[List of Patents for class 209 subclass 165]  165           Subclass 165 indent level is 6 Preferential
[List of Patents for class 209 subclass 166]  166           Subclass 166 indent level is 6 With modifying agents
[List of Patents for class 209 subclass 167]  167           Subclass 167 indent level is 7 Preferential
[List of Patents for class 209 subclass 168]  168           Subclass 168 indent level is 5 Apparatus
[List of Patents for class 209 subclass 169]  169           Subclass 169 indent level is 6 Agitating
[List of Patents for class 209 subclass 170]  170           Subclass 170 indent level is 6 Pneumatic
[List of Patents for class 209 subclass 171]  171           Subclass 171 indent level is 4 Oil
[List of Patents for class 209 subclass 172]  172           Subclass 172 indent level is 3 Gravity liquid
[List of Patents for class 209 subclass 172.5]  172.5           Subclass 172.5 indent level is 4 Suspension
[List of Patents for class 209 subclass 173]  173           Subclass 173 indent level is 4 Water or aqueous solution
[List of Patents for class 209 subclass 174]  174           Subclass 174 indent level is 4 Metallic (i.e., amalgamators)
[List of Patents for class 209 subclass 175]  175           Subclass 175 indent level is 5 Processes
[List of Patents for class 209 subclass 176]  176           Subclass 176 indent level is 6 With chemical treatment
[List of Patents for class 209 subclass 177]  177           Subclass 177 indent level is 7 Bath
[List of Patents for class 209 subclass 178]  178           Subclass 178 indent level is 7 Ore
[List of Patents for class 209 subclass 179]  179           Subclass 179 indent level is 6 With electric treatment
[List of Patents for class 209 subclass 180]  180           Subclass 180 indent level is 7 Bath
[List of Patents for class 209 subclass 181]  181           Subclass 181 indent level is 7 Ore
[List of Patents for class 209 subclass 182]  182           Subclass 182 indent level is 6 With heat treatment
              Subclass indent level is 5 Feeding and distributing
[List of Patents for class 209 subclass 183]  183           Subclass 183 indent level is 6 Submerging
[List of Patents for class 209 subclass 184]  184           Subclass 184 indent level is 7 Conveyor
[List of Patents for class 209 subclass 185]  185           Subclass 185 indent level is 7 Vacuum
[List of Patents for class 209 subclass 186]  186           Subclass 186 indent level is 7 With agitation
[List of Patents for class 209 subclass 187]  187           Subclass 187 indent level is 8 Baffles
[List of Patents for class 209 subclass 188]  188           Subclass 188 indent level is 8 Agitators
[List of Patents for class 209 subclass 189]  189           Subclass 189 indent level is 6 Surface
[List of Patents for class 209 subclass 190]  190           Subclass 190 indent level is 7 Impact
[List of Patents for class 209 subclass 191]  191           Subclass 191 indent level is 5 With rubbing
[List of Patents for class 209 subclass 192]  192           Subclass 192 indent level is 5 Feeding and discharging
[List of Patents for class 209 subclass 193]  193           Subclass 193 indent level is 6 Bath
[List of Patents for class 209 subclass 194]  194           Subclass 194 indent level is 5 Receptacles
[List of Patents for class 209 subclass 195]  195           Subclass 195 indent level is 6 Reciprocating
[List of Patents for class 209 subclass 196]  196           Subclass 196 indent level is 7 Chutes and tables
[List of Patents for class 209 subclass 197]  197           Subclass 197 indent level is 7 With agitators
[List of Patents for class 209 subclass 198]  198           Subclass 198 indent level is 6 Rotating
[List of Patents for class 209 subclass 199]  199           Subclass 199 indent level is 7 Centrifugal
[List of Patents for class 209 subclass 200]  200           Subclass 200 indent level is 7 With agitators
[List of Patents for class 209 subclass 201]  201           Subclass 201 indent level is 6 Stationary
[List of Patents for class 209 subclass 202]  202           Subclass 202 indent level is 7 Chutes and tables
[List of Patents for class 209 subclass 203]  203           Subclass 203 indent level is 7 With agitators
[List of Patents for class 209 subclass 204]  204           Subclass 204 indent level is 8 Reciprocating
[List of Patents for class 209 subclass 205]  205           Subclass 205 indent level is 8 Rotating
[List of Patents for class 209 subclass 206]  206           Subclass 206 indent level is 5 Riffles and traps
[List of Patents for class 209 subclass 207]  207           Subclass 207 indent level is 3 Surface film tension
[List of Patents for class 209 subclass 208]  208           Subclass 208 indent level is 2 Grading deposition
[List of Patents for class 209 subclass 209]  209           Subclass 209 indent level is 3 Chronometric
[List of Patents for class 209 subclass 210]  210           Subclass 210 indent level is 3 With deflection
[List of Patents for class 209 subclass 724]  724           Subclass 724 indent level is 3 Including circularly flowing liquid separation agent
[List of Patents for class 209 subclass 725]  725           Subclass 725 indent level is 3 Rotational hydrodynamic extraction (e.g., unidirectional hydrocyclone, vortical, whirlpool, etc.)
[List of Patents for class 209 subclass 726]  726           Subclass 726 indent level is 4 Including condition responsive control
[List of Patents for class 209 subclass 727]  727           Subclass 727 indent level is 4 Including oppositely directed axial flows around evacuated core (e.g., hydrocyclone having reverse free-vortexes formed, etc.)
[List of Patents for class 209 subclass 728]  728           Subclass 728 indent level is 5 Plural individual interconnected, oppositely directed axial flow producing separation phases (e.g., system arrangements, multiple hydrocyclones, etc.)
[List of Patents for class 209 subclass 729]  729           Subclass 729 indent level is 6 Serially connected
[List of Patents for class 209 subclass 730]  730           Subclass 730 indent level is 5 Including auxiliary fluid (e.g., air or gas core, dilution water, elutriation liquid, etc.)
[List of Patents for class 209 subclass 731]  731           Subclass 731 indent level is 6 Adjacent or subsequent to underflow discharge (e.g., dilution water, elutriation liquid, sedimentation chamber, sump, etc.)
[List of Patents for class 209 subclass 732]  732           Subclass 732 indent level is 5 Including specific overflow discharge feature (e.g., adjustable vortex finder, shape, size, etc.)
[List of Patents for class 209 subclass 733]  733           Subclass 733 indent level is 5 Including specific underflow discharge feature (e.g., apex construction, secondary vortex chamber, etc.)
[List of Patents for class 209 subclass 734]  734           Subclass 734 indent level is 5 Including specific inlet feature (e.g., shape, size, etc.)
              MAGNETIC
[List of Patents for class 209 subclass 212]  212           Subclass 212 indent level is 1 Diamagnetic
[List of Patents for class 209 subclass 213]  213           Subclass 213 indent level is 1 Paramagnetic
[List of Patents for class 209 subclass 214]  214           Subclass 214 indent level is 2 Processes
[List of Patents for class 209 subclass 215]  215           Subclass 215 indent level is 2 Special application
[List of Patents for class 209 subclass 216]  216           Subclass 216 indent level is 2 Multiple type
[List of Patents for class 209 subclass 217]  217           Subclass 217 indent level is 2 Reciprocating magnets
              Subclass indent level is 2 Rotating magnets
[List of Patents for class 209 subclass 218]  218           Subclass 218 indent level is 3 Belt
[List of Patents for class 209 subclass 219]  219           Subclass 219 indent level is 3 Cylinder external
[List of Patents for class 209 subclass 220]  220           Subclass 220 indent level is 4 Vertical axis
[List of Patents for class 209 subclass 221]  221           Subclass 221 indent level is 3 Cylinder internal
[List of Patents for class 209 subclass 222]  222           Subclass 222 indent level is 3 Disk
[List of Patents for class 209 subclass 223.1]  223.1           Subclass 223.1 indent level is 2 Stationary magnets
[List of Patents for class 209 subclass 223.2]  223.2           Subclass 223.2 indent level is 3 Cylinder external
[List of Patents for class 209 subclass 224]  224           Subclass 224 indent level is 3 Cylinder internal
[List of Patents for class 209 subclass 225]  225           Subclass 225 indent level is 2 With agitating or conveying
[List of Patents for class 209 subclass 226]  226           Subclass 226 indent level is 3 Magnetic
[List of Patents for class 209 subclass 227]  227           Subclass 227 indent level is 4 Traveling field
[List of Patents for class 209 subclass 228]  228           Subclass 228 indent level is 2 Discharging
[List of Patents for class 209 subclass 229]  229           Subclass 229 indent level is 3 Doffers
[List of Patents for class 209 subclass 230]  230           Subclass 230 indent level is 4 Magnetic
[List of Patents for class 209 subclass 231]  231           Subclass 231 indent level is 2 Feeding
[List of Patents for class 209 subclass 232]  232           Subclass 232 indent level is 3 Fluid suspension
[List of Patents for class 209 subclass 233]  233           SIFTING
[List of Patents for class 209 subclass 234]  234           Subclass 234 indent level is 1 Combined type
[List of Patents for class 209 subclass 235]  235           Subclass 235 indent level is 1 Special applications
[List of Patents for class 209 subclass 236]  236           Subclass 236 indent level is 2 Distributing
[List of Patents for class 209 subclass 237]  237           Subclass 237 indent level is 2 Material testing
[List of Patents for class 209 subclass 238]  238           Subclass 238 indent level is 1 With heating or cooling
[List of Patents for class 209 subclass 239]  239           Subclass 239 indent level is 1 With weighting
[List of Patents for class 209 subclass 240]  240           Subclass 240 indent level is 1 Feeding and discharging
[List of Patents for class 209 subclass 241]  241           Subclass 241 indent level is 2 Conveyors
[List of Patents for class 209 subclass 242]  242           Subclass 242 indent level is 2 Interconnected
[List of Patents for class 209 subclass 243]  243           Subclass 243 indent level is 1 Feeding
[List of Patents for class 209 subclass 244]  244           Subclass 244 indent level is 2 Hoppers
[List of Patents for class 209 subclass 245]  245           Subclass 245 indent level is 3 With agitators or conveyors
[List of Patents for class 209 subclass 246]  246           Subclass 246 indent level is 3 Cut-offs and valves
[List of Patents for class 209 subclass 247]  247           Subclass 247 indent level is 2 Conveyors
[List of Patents for class 209 subclass 248]  248           Subclass 248 indent level is 3 Receptacles
[List of Patents for class 209 subclass 249]  249           Subclass 249 indent level is 4 Ash pan
[List of Patents for class 209 subclass 250]  250           Subclass 250 indent level is 3 Fluid
[List of Patents for class 209 subclass 251]  251           Subclass 251 indent level is 2 Reversible
[List of Patents for class 209 subclass 252]  252           Subclass 252 indent level is 2 Sifter movement
[List of Patents for class 209 subclass 253]  253           Subclass 253 indent level is 2 Selective
[List of Patents for class 209 subclass 254]  254           Subclass 254 indent level is 1 Distributers or spreaders
[List of Patents for class 209 subclass 255]  255           Subclass 255 indent level is 1 Discharging
[List of Patents for class 209 subclass 256]  256           Subclass 256 indent level is 2 Conveyors and valves
[List of Patents for class 209 subclass 257]  257           Subclass 257 indent level is 2 Conveyors
[List of Patents for class 209 subclass 258]  258           Subclass 258 indent level is 2 Valves
[List of Patents for class 209 subclass 259]  259           Subclass 259 indent level is 2 Receptacles
[List of Patents for class 209 subclass 260]  260           Subclass 260 indent level is 2 Tilting
[List of Patents for class 209 subclass 261]  261           Subclass 261 indent level is 1 Conveying
[List of Patents for class 209 subclass 262]  262           Subclass 262 indent level is 2 Material forcing
[List of Patents for class 209 subclass 263]  263           Subclass 263 indent level is 2 Material positioning
[List of Patents for class 209 subclass 264]  264           Subclass 264 indent level is 3 Guides
[List of Patents for class 209 subclass 265]  265           Subclass 265 indent level is 4 Imperforate sections
[List of Patents for class 209 subclass 266]  266           Subclass 266 indent level is 4 Superposed
[List of Patents for class 209 subclass 267]  267           Subclass 267 indent level is 2 Retarders
[List of Patents for class 209 subclass 268]  268           Subclass 268 indent level is 1 With liquid treatment
[List of Patents for class 209 subclass 269]  269           Subclass 269 indent level is 2 Reciprocating sifters
              Subclass indent level is 2 Rotating sifters
[List of Patents for class 209 subclass 270]  270           Subclass 270 indent level is 3 Drum
[List of Patents for class 209 subclass 271]  271           Subclass 271 indent level is 3 Disk
[List of Patents for class 209 subclass 272]  272           Subclass 272 indent level is 3 Endless belt
[List of Patents for class 209 subclass 273]  273           Subclass 273 indent level is 2 Stationary sifters
[List of Patents for class 209 subclass 274]  274           Subclass 274 indent level is 1 Concave and convex sifters
[List of Patents for class 209 subclass 275]  275           Subclass 275 indent level is 2 Reciprocating
[List of Patents for class 209 subclass 276]  276           Subclass 276 indent level is 3 With agitators
[List of Patents for class 209 subclass 277]  277           Subclass 277 indent level is 4 Reciprocating
[List of Patents for class 209 subclass 278]  278           Subclass 278 indent level is 4 Rotating
[List of Patents for class 209 subclass 279]  279           Subclass 279 indent level is 2 Rotating
[List of Patents for class 209 subclass 280]  280           Subclass 280 indent level is 3 With agitators
[List of Patents for class 209 subclass 281]  281           Subclass 281 indent level is 2 Stationary
[List of Patents for class 209 subclass 282]  282           Subclass 282 indent level is 3 With reciprocating agitators
[List of Patents for class 209 subclass 283]  283           Subclass 283 indent level is 3 With rotating agitators
              Subclass indent level is 1 Drum sifters
              Subclass indent level is 2 Horizontal and inclined
[List of Patents for class 209 subclass 284]  284           Subclass 284 indent level is 3 Feeding or dischargingd
[List of Patents for class 209 subclass 285]  285           Subclass 285 indent level is 4 Peripheral feed
[List of Patents for class 209 subclass 286]  286           Subclass 286 indent level is 5 Inlets
[List of Patents for class 209 subclass 287]  287           Subclass 287 indent level is 3 Reciprocating and rotating
[List of Patents for class 209 subclass 288]  288           Subclass 288 indent level is 3 Rotating
[List of Patents for class 209 subclass 289]  289           Subclass 289 indent level is 4 Multiple
[List of Patents for class 209 subclass 290]  290           Subclass 290 indent level is 5 Concentric
[List of Patents for class 209 subclass 291]  291           Subclass 291 indent level is 6 Nested
[List of Patents for class 209 subclass 292]  292           Subclass 292 indent level is 5 Superposed
[List of Patents for class 209 subclass 293]  293           Subclass 293 indent level is 4 With agitators and conveyors
[List of Patents for class 209 subclass 294]  294           Subclass 294 indent level is 5 Lifters and deflectors
[List of Patents for class 209 subclass 295]  295           Subclass 295 indent level is 5 Pneumatic
[List of Patents for class 209 subclass 296]  296           Subclass 296 indent level is 5 Rotating
[List of Patents for class 209 subclass 297]  297           Subclass 297 indent level is 6 Attached
[List of Patents for class 209 subclass 298]  298           Subclass 298 indent level is 6 Lifters
[List of Patents for class 209 subclass 299]  299           Subclass 299 indent level is 4 Lifters and beaters
[List of Patents for class 209 subclass 300]  300           Subclass 300 indent level is 3 Stationary
              Subclass indent level is 2 Vertical
[List of Patents for class 209 subclass 301]  301           Subclass 301 indent level is 3 Reciprocating and rotating
[List of Patents for class 209 subclass 302]  302           Subclass 302 indent level is 3 Reciprocating
[List of Patents for class 209 subclass 303]  303           Subclass 303 indent level is 3 Rotating
[List of Patents for class 209 subclass 304]  304           Subclass 304 indent level is 4 With agitators
[List of Patents for class 209 subclass 305]  305           Subclass 305 indent level is 3 Stationary
[List of Patents for class 209 subclass 306]  306           Subclass 306 indent level is 4 With agitators
[List of Patents for class 209 subclass 307]  307           Subclass 307 indent level is 1 Endless belt sifters
[List of Patents for class 209 subclass 308]  308           Subclass 308 indent level is 2 With agitators
              Subclass indent level is 1 Plane sifters
              Subclass indent level is 2 Horizontal and inclined
[List of Patents for class 209 subclass 309]  309           Subclass 309 indent level is 3 Reciprocating and rotating
              Subclass indent level is 3 Reciprocating
[List of Patents for class 209 subclass 310]  310           Subclass 310 indent level is 4 Distorting
[List of Patents for class 209 subclass 311]  311           Subclass 311 indent level is 4 Multiple
[List of Patents for class 209 subclass 312]  312           Subclass 312 indent level is 5 With pneumatic treatment
[List of Patents for class 209 subclass 313]  313           Subclass 313 indent level is 5 Alined
[List of Patents for class 209 subclass 314]  314           Subclass 314 indent level is 5 Stepped
[List of Patents for class 209 subclass 315]  315           Subclass 315 indent level is 5 Superposed
[List of Patents for class 209 subclass 316]  316           Subclass 316 indent level is 6 With intermediate conveyors
[List of Patents for class 209 subclass 317]  317           Subclass 317 indent level is 6 With dischargers
[List of Patents for class 209 subclass 318]  318           Subclass 318 indent level is 6 With pneumatic treatment
[List of Patents for class 209 subclass 319]  319           Subclass 319 indent level is 6 Attaching and adjusting
[List of Patents for class 209 subclass 320]  320           Subclass 320 indent level is 4 With agitators and conveyors
[List of Patents for class 209 subclass 321]  321           Subclass 321 indent level is 5 Pneumatic
[List of Patents for class 209 subclass 322]  322           Subclass 322 indent level is 5 Reciprocating
[List of Patents for class 209 subclass 323]  323           Subclass 323 indent level is 6 Unattached
[List of Patents for class 209 subclass 324]  324           Subclass 324 indent level is 5 Rotating
[List of Patents for class 209 subclass 325]  325           Subclass 325 indent level is 4 With horizontal and vertical shake
[List of Patents for class 209 subclass 326]  326           Subclass 326 indent level is 5 Gyratory
[List of Patents for class 209 subclass 327]  327           Subclass 327 indent level is 5 Lateral
[List of Patents for class 209 subclass 328]  328           Subclass 328 indent level is 6 With impact
[List of Patents for class 209 subclass 329]  329           Subclass 329 indent level is 5 Longitudinal
[List of Patents for class 209 subclass 330]  330           Subclass 330 indent level is 6 With impact
              Subclass indent level is 4 With horizontal shake
[List of Patents for class 209 subclass 331]  331           Subclass 331 indent level is 5 Longitudinal and transverse
[List of Patents for class 209 subclass 332]  332           Subclass 332 indent level is 6 Gyratory
[List of Patents for class 209 subclass 333]  333           Subclass 333 indent level is 5 Lateral
[List of Patents for class 209 subclass 334]  334           Subclass 334 indent level is 6 Impactive
[List of Patents for class 209 subclass 335]  335           Subclass 335 indent level is 6 Pivoted
[List of Patents for class 209 subclass 336]  336           Subclass 336 indent level is 7 With impact
[List of Patents for class 209 subclass 337]  337           Subclass 337 indent level is 6 Sliding
[List of Patents for class 209 subclass 338]  338           Subclass 338 indent level is 7 With impact
[List of Patents for class 209 subclass 339]  339           Subclass 339 indent level is 6 Swinging
[List of Patents for class 209 subclass 340]  340           Subclass 340 indent level is 7 With impact
[List of Patents for class 209 subclass 341]  341           Subclass 341 indent level is 5 Longitudinal
[List of Patents for class 209 subclass 342]  342           Subclass 342 indent level is 6 Sliding
[List of Patents for class 209 subclass 343]  343           Subclass 343 indent level is 7 With impact
[List of Patents for class 209 subclass 344]  344           Subclass 344 indent level is 6 Swinging
[List of Patents for class 209 subclass 345]  345           Subclass 345 indent level is 7 With impact
[List of Patents for class 209 subclass 346]  346           Subclass 346 indent level is 4 With vertical shake
[List of Patents for class 209 subclass 347]  347           Subclass 347 indent level is 5 Impactive
[List of Patents for class 209 subclass 348]  348           Subclass 348 indent level is 5 Pivoted
[List of Patents for class 209 subclass 349]  349           Subclass 349 indent level is 6 With impact
[List of Patents for class 209 subclass 350]  350           Subclass 350 indent level is 3 Rotating
[List of Patents for class 209 subclass 351]  351           Subclass 351 indent level is 4 With agitators
[List of Patents for class 209 subclass 352]  352           Subclass 352 indent level is 3 Stationary
[List of Patents for class 209 subclass 353]  353           Subclass 353 indent level is 4 Multiple
[List of Patents for class 209 subclass 354]  354           Subclass 354 indent level is 5 Stepped
[List of Patents for class 209 subclass 355]  355           Subclass 355 indent level is 5 Superposed
[List of Patents for class 209 subclass 356]  356           Subclass 356 indent level is 6 Zigzag
              Subclass indent level is 4 With agitators
[List of Patents for class 209 subclass 357]  357           Subclass 357 indent level is 5 Reciprocating
[List of Patents for class 209 subclass 358]  358           Subclass 358 indent level is 5 Rotating
[List of Patents for class 209 subclass 359]  359           Subclass 359 indent level is 2 Vertical
[List of Patents for class 209 subclass 360]  360           Subclass 360 indent level is 3 Reciprocating
[List of Patents for class 209 subclass 361]  361           Subclass 361 indent level is 3 Rotating
[List of Patents for class 209 subclass 362]  362           Subclass 362 indent level is 1 Spiral sifters
[List of Patents for class 209 subclass 363]  363           Subclass 363 indent level is 1 Elements
[List of Patents for class 209 subclass 364]  364           Subclass 364 indent level is 2 Actuating
[List of Patents for class 209 subclass 365.1]  365.1           Subclass 365.1 indent level is 3 Reciprocating
[List of Patents for class 209 subclass 365.2]  365.2           Subclass 365.2 indent level is 4 Cam and linkage
[List of Patents for class 209 subclass 365.3]  365.3           Subclass 365.3 indent level is 4 With cushioning
[List of Patents for class 209 subclass 365.4]  365.4           Subclass 365.4 indent level is 4 Differential motion
[List of Patents for class 209 subclass 366]  366           Subclass 366 indent level is 4 Gyrating
[List of Patents for class 209 subclass 366.5]  366.5           Subclass 366.5 indent level is 5 Unbalanced weight
[List of Patents for class 209 subclass 367]  367           Subclass 367 indent level is 4 Unbalanced weight
[List of Patents for class 209 subclass 368]  368           Subclass 368 indent level is 4 Magnetic
[List of Patents for class 209 subclass 369]  369           Subclass 369 indent level is 3 Rotating
[List of Patents for class 209 subclass 370]  370           Subclass 370 indent level is 2 Bins and casings
[List of Patents for class 209 subclass 371]  371           Subclass 371 indent level is 3 Adapters
[List of Patents for class 209 subclass 372]  372           Subclass 372 indent level is 3 Closures
[List of Patents for class 209 subclass 373]  373           Subclass 373 indent level is 3 Compartments and receptacles
[List of Patents for class 209 subclass 374]  374           Subclass 374 indent level is 3 Household
[List of Patents for class 209 subclass 375]  375           Subclass 375 indent level is 4 Chutes
[List of Patents for class 209 subclass 376]  376           Subclass 376 indent level is 4 Hods
[List of Patents for class 209 subclass 377]  377           Subclass 377 indent level is 4 Stoves and furnaces
[List of Patents for class 209 subclass 378]  378           Subclass 378 indent level is 3 Venting
[List of Patents for class 209 subclass 379]  379           Subclass 379 indent level is 2 Clearers
[List of Patents for class 209 subclass 380]  380           Subclass 380 indent level is 3 Fluid
[List of Patents for class 209 subclass 381]  381           Subclass 381 indent level is 3 Jarring
[List of Patents for class 209 subclass 382]  382           Subclass 382 indent level is 4 Knockers
[List of Patents for class 209 subclass 383]  383           Subclass 383 indent level is 4 Whips
[List of Patents for class 209 subclass 384]  384           Subclass 384 indent level is 3 Pressers
[List of Patents for class 209 subclass 385]  385           Subclass 385 indent level is 3 Wipers
[List of Patents for class 209 subclass 386]  386           Subclass 386 indent level is 4 Brush
[List of Patents for class 209 subclass 387]  387           Subclass 387 indent level is 4 Reciprocating
[List of Patents for class 209 subclass 388]  388           Subclass 388 indent level is 5 Brush
[List of Patents for class 209 subclass 389]  389           Subclass 389 indent level is 4 Rotating
[List of Patents for class 209 subclass 390]  390           Subclass 390 indent level is 5 Brush
[List of Patents for class 209 subclass 391]  391           Subclass 391 indent level is 2 Mesh closures
[List of Patents for class 209 subclass 392]  392           Subclass 392 indent level is 2 Dress
[List of Patents for class 209 subclass 393]  393           Subclass 393 indent level is 3 Bars
[List of Patents for class 209 subclass 394]  394           Subclass 394 indent level is 4 Adjusting
[List of Patents for class 209 subclass 395]  395           Subclass 395 indent level is 4 Attaching
[List of Patents for class 209 subclass 396]  396           Subclass 396 indent level is 4 Reciprocating
[List of Patents for class 209 subclass 397]  397           Subclass 397 indent level is 3 Perforated sheet
[List of Patents for class 209 subclass 398]  398           Subclass 398 indent level is 4 Adjusting
[List of Patents for class 209 subclass 399]  399           Subclass 399 indent level is 4 Attaching
[List of Patents for class 209 subclass 400]  400           Subclass 400 indent level is 3 Cords and wires
[List of Patents for class 209 subclass 401]  401           Subclass 401 indent level is 3 Woven
[List of Patents for class 209 subclass 402]  402           Subclass 402 indent level is 4 Adjusting
[List of Patents for class 209 subclass 403]  403           Subclass 403 indent level is 4 Attaching
              Subclass indent level is 2 Frames
[List of Patents for class 209 subclass 404]  404           Subclass 404 indent level is 3 Adjusting
[List of Patents for class 209 subclass 405]  405           Subclass 405 indent level is 3 Attaching
[List of Patents for class 209 subclass 406]  406           Subclass 406 indent level is 3 Drum
[List of Patents for class 209 subclass 407]  407           Subclass 407 indent level is 4 Sectional
[List of Patents for class 209 subclass 408]  408           Subclass 408 indent level is 3 Plane
[List of Patents for class 209 subclass 409]  409           Subclass 409 indent level is 2 Supports
[List of Patents for class 209 subclass 410]  410           Subclass 410 indent level is 3 Axial
[List of Patents for class 209 subclass 411]  411           Subclass 411 indent level is 3 Rim
[List of Patents for class 209 subclass 412]  412           Subclass 412 indent level is 3 Framework
[List of Patents for class 209 subclass 413]  413           Subclass 413 indent level is 4 Adjustable
[List of Patents for class 209 subclass 414]  414           Subclass 414 indent level is 4 Knockdown
[List of Patents for class 209 subclass 415]  415           Subclass 415 indent level is 3 Hangers and standards
[List of Patents for class 209 subclass 416]  416           Subclass 416 indent level is 3 Levelers
[List of Patents for class 209 subclass 417]  417           Subclass 417 indent level is 3 Manual
[List of Patents for class 209 subclass 418]  418           Subclass 418 indent level is 4 Scoop
[List of Patents for class 209 subclass 419]  419           Subclass 419 indent level is 4 Shovel
[List of Patents for class 209 subclass 420]  420           Subclass 420 indent level is 3 Portable
[List of Patents for class 209 subclass 421]  421           Subclass 421 indent level is 4 Vehicles
[List of Patents for class 209 subclass 422]  422           STRATIFIERS
              Subclass indent level is 1 With liquid treatment
              Subclass indent level is 2 Movable bed
              Subclass indent level is 3 Permeable
[List of Patents for class 209 subclass 423]  423           Subclass 423 indent level is 4 Constant current
[List of Patents for class 209 subclass 424]  424           Subclass 424 indent level is 5 Divergent or opposite travel
[List of Patents for class 209 subclass 425]  425           Subclass 425 indent level is 4 Pulsating current
[List of Patents for class 209 subclass 426]  426           Subclass 426 indent level is 5 Divergent or opposite travel
[List of Patents for class 209 subclass 427]  427           Subclass 427 indent level is 5 Parallel travel
[List of Patents for class 209 subclass 428]  428           Subclass 428 indent level is 3 Belt
[List of Patents for class 209 subclass 429]  429           Subclass 429 indent level is 4 Divergent travel
[List of Patents for class 209 subclass 430]  430           Subclass 430 indent level is 4 Opposite travel
[List of Patents for class 209 subclass 431]  431           Subclass 431 indent level is 4 Reciprocating support
[List of Patents for class 209 subclass 432]  432           Subclass 432 indent level is 5 Divergent travel
[List of Patents for class 209 subclass 433]  433           Subclass 433 indent level is 5 Opposite travel
              Subclass indent level is 3 Chutes and tables
[List of Patents for class 209 subclass 434]  434           Subclass 434 indent level is 4 Spiral
[List of Patents for class 209 subclass 435]  435           Subclass 435 indent level is 4 Reciprocating-rotating
[List of Patents for class 209 subclass 436]  436           Subclass 436 indent level is 5 Divergent or opposite travel
[List of Patents for class 209 subclass 437]  437           Subclass 437 indent level is 4 Reciprocating
[List of Patents for class 209 subclass 438]  438           Subclass 438 indent level is 5 Annular
[List of Patents for class 209 subclass 439]  439           Subclass 439 indent level is 6 Divergent or opposite travel
[List of Patents for class 209 subclass 440]  440           Subclass 440 indent level is 5 With agitators
[List of Patents for class 209 subclass 441]  441           Subclass 441 indent level is 5 Divergent travel
[List of Patents for class 209 subclass 442]  442           Subclass 442 indent level is 5 Opposite travel
[List of Patents for class 209 subclass 443]  443           Subclass 443 indent level is 5 Parallel travel
[List of Patents for class 209 subclass 444]  444           Subclass 444 indent level is 4 Rotating
              Subclass indent level is 2 Receptacles
[List of Patents for class 209 subclass 445]  445           Subclass 445 indent level is 3 Reciprocating-rotating
[List of Patents for class 209 subclass 446]  446           Subclass 446 indent level is 3 Reciprocating
[List of Patents for class 209 subclass 447]  447           Subclass 447 indent level is 4 Manual support
[List of Patents for class 209 subclass 448]  448           Subclass 448 indent level is 4 With agitators
[List of Patents for class 209 subclass 449]  449           Subclass 449 indent level is 5 Reciprocating
[List of Patents for class 209 subclass 450]  450           Subclass 450 indent level is 5 Rotating
              Subclass indent level is 3 Rotating
[List of Patents for class 209 subclass 451]  451           Subclass 451 indent level is 4 Horizontal or inclined axis
[List of Patents for class 209 subclass 452]  452           Subclass 452 indent level is 5 With agitators or conveyors
[List of Patents for class 209 subclass 453]  453           Subclass 453 indent level is 4 Vertical axis
              Subclass indent level is 2 Stationary bed
              Subclass indent level is 3 Permeable
[List of Patents for class 209 subclass 454]  454           Subclass 454 indent level is 4 Constant current
[List of Patents for class 209 subclass 455]  455           Subclass 455 indent level is 4 Pulsating current
[List of Patents for class 209 subclass 456]  456           Subclass 456 indent level is 5 Divergent or opposite travel
[List of Patents for class 209 subclass 457]  457           Subclass 457 indent level is 5 Parallel travel
[List of Patents for class 209 subclass 458]  458           Subclass 458 indent level is 3 Chutes and tables
[List of Patents for class 209 subclass 459]  459           Subclass 459 indent level is 4 Annular, circular or spiral
[List of Patents for class 209 subclass 460]  460           Subclass 460 indent level is 4 With divergent or opposite travel
              Subclass indent level is 3 Receptacles
[List of Patents for class 209 subclass 461]  461           Subclass 461 indent level is 4 With agitators or conveyors
[List of Patents for class 209 subclass 462]  462           Subclass 462 indent level is 5 Reciprocating
[List of Patents for class 209 subclass 463]  463           Subclass 463 indent level is 5 Rotating
[List of Patents for class 209 subclass 464]  464           Subclass 464 indent level is 6 Horizontal or inclined axis
[List of Patents for class 209 subclass 465]  465           Subclass 465 indent level is 6 Vertical axis
              Subclass indent level is 1 With pneumatic treatment
              Subclass indent level is 2 Movable bed
              Subclass indent level is 3 Permeable
[List of Patents for class 209 subclass 466]  466           Subclass 466 indent level is 4 Constant current
[List of Patents for class 209 subclass 467]  467           Subclass 467 indent level is 5 Divergent or opposite travel
[List of Patents for class 209 subclass 468]  468           Subclass 468 indent level is 4 Pulsating current
[List of Patents for class 209 subclass 469]  469           Subclass 469 indent level is 5 Divergent or opposite travel
[List of Patents for class 209 subclass 470]  470           Subclass 470 indent level is 3 Belts
[List of Patents for class 209 subclass 471]  471           Subclass 471 indent level is 3 Chutes, tables, and receptacles
[List of Patents for class 209 subclass 472]  472           Subclass 472 indent level is 4 Divergent or opposite travel
[List of Patents for class 209 subclass 473]  473           Subclass 473 indent level is 3 Drums
              Subclass indent level is 2 Stationary bed
              Subclass indent level is 3 Permeable
[List of Patents for class 209 subclass 474]  474           Subclass 474 indent level is 4 With constant current
[List of Patents for class 209 subclass 475]  475           Subclass 475 indent level is 4 With pulsating current
[List of Patents for class 209 subclass 476]  476           Subclass 476 indent level is 5 Divergent or opposite travel
[List of Patents for class 209 subclass 477]  477           Subclass 477 indent level is 2 Chutes, tables, and receptacles
[List of Patents for class 209 subclass 478]  478           Subclass 478 indent level is 1 Magnetic
              Subclass indent level is 1 Movable bed
[List of Patents for class 209 subclass 479]  479           Subclass 479 indent level is 2 Chutes, tables, and receptacles
[List of Patents for class 209 subclass 480]  480           Subclass 480 indent level is 3 Divergent travel
[List of Patents for class 209 subclass 481]  481           Subclass 481 indent level is 3 Opposite travel
[List of Patents for class 209 subclass 482]  482           Subclass 482 indent level is 2 Drums
[List of Patents for class 209 subclass 483]  483           Subclass 483 indent level is 1 Stationary bed
[List of Patents for class 209 subclass 484]  484           Subclass 484 indent level is 1 Elements
[List of Patents for class 209 subclass 485]  485           Subclass 485 indent level is 2 Beds
[List of Patents for class 209 subclass 486]  486           Subclass 486 indent level is 3 Permeable
[List of Patents for class 209 subclass 487]  487           Subclass 487 indent level is 2 Cleaners
[List of Patents for class 209 subclass 488]  488           Subclass 488 indent level is 2 Feeding and discharging
[List of Patents for class 209 subclass 489]  489           Subclass 489 indent level is 3 Automatic control
[List of Patents for class 209 subclass 490]  490           Subclass 490 indent level is 2 Discharging
[List of Patents for class 209 subclass 491]  491           Subclass 491 indent level is 3 Automatic control
[List of Patents for class 209 subclass 492]  492           Subclass 492 indent level is 3 Conveyers
[List of Patents for class 209 subclass 493]  493           Subclass 493 indent level is 3 Dividers and skimmers
[List of Patents for class 209 subclass 494]  494           Subclass 494 indent level is 3 Exits
[List of Patents for class 209 subclass 495]  495           Subclass 495 indent level is 4 With positively operated dischargers
[List of Patents for class 209 subclass 496]  496           Subclass 496 indent level is 4 Automatic control
[List of Patents for class 209 subclass 497]  497           Subclass 497 indent level is 2 Feeding
[List of Patents for class 209 subclass 498]  498           Subclass 498 indent level is 3 Distributing
[List of Patents for class 209 subclass 499]  499           Subclass 499 indent level is 3 Regulating
              Subclass indent level is 2 Fluid supply
[List of Patents for class 209 subclass 500]  500           Subclass 500 indent level is 3 Liquid
[List of Patents for class 209 subclass 501]  501           Subclass 501 indent level is 4 Circuit
[List of Patents for class 209 subclass 502]  502           Subclass 502 indent level is 3 Pneumatic
[List of Patents for class 209 subclass 503]  503           Subclass 503 indent level is 2 Operating mechanism
[List of Patents for class 209 subclass 504]  504           Subclass 504 indent level is 3 Reciprocating
[List of Patents for class 209 subclass 505]  505           Subclass 505 indent level is 3 Rotating
[List of Patents for class 209 subclass 506]  506           Subclass 506 indent level is 2 Riffles
[List of Patents for class 209 subclass 507]  507           Subclass 507 indent level is 3 Overhung
[List of Patents for class 209 subclass 508]  508           Subclass 508 indent level is 2 Supports
 
CROSS-REFERENCE ART COLLECTIONS
 
[List of Patents for class 209 subclass 900]  900           SORTING FLAT-TYPE MAIL
[List of Patents for class 209 subclass 901]  901           FROTH FLOTATION; COPPER
[List of Patents for class 209 subclass 902]  902           FROTH FLOTATION; PHOSPHATE
[List of Patents for class 209 subclass 903]  903           FEEDER CONVEYOR HAVING OPPOSED GRIPPERS
[List of Patents for class 209 subclass 904]  904           FEEDER CONVEYOR HOLDING ITEM BY MAGNETIC ATTRACTION
[List of Patents for class 209 subclass 905]  905           FEEDER CONVEYOR HOLDING ITEM BY SUCTION
[List of Patents for class 209 subclass 906]  906           PNEUMATIC OR LIQUID STREAM FEEDING ITEM
[List of Patents for class 209 subclass 907]  907           MAGNETIC FEEDER
[List of Patents for class 209 subclass 908]  908           ITEM FED BY FREE FALL
[List of Patents for class 209 subclass 909]  909           ITEM HOLDING FEED MAGAZINE INSERTABLE IN SORTING APPARATUS
[List of Patents for class 209 subclass 910]  910           FEED HOPPER
[List of Patents for class 209 subclass 911]  911           FEED MEANS SUPPORTING OR GUIDING ITEM MOVING UNDER INFLUENCE OF GRAVITY
[List of Patents for class 209 subclass 912]  912           ENDLESS FEED CONVEYOR WITH MEANS FOR HOLDING EACH ITEM INDIVIDUALLY
[List of Patents for class 209 subclass 913]  913           SCREW FEED CONVEYOR
[List of Patents for class 209 subclass 914]  914           DIVERSE SEQUENTIAL FEEDING STEPS
[List of Patents for class 209 subclass 915]  915           CENTRIFUGAL FEEDER
[List of Patents for class 209 subclass 916]  916           RECIPROCATING PUSHER FEEDING ITEM
[List of Patents for class 209 subclass 917]  917           ENDLESS BELT PUSHER FEEDING ITEM
[List of Patents for class 209 subclass 918]  918           SWINGING OR ROTATING PUSHER FEEDING ITEM
[List of Patents for class 209 subclass 919]  919           ROTARY FEED CONVEYOR
[List of Patents for class 209 subclass 920]  920           VIBRATORY FEED CONVEYOR
[List of Patents for class 209 subclass 921]  921           RECIPROCATING OR OSCILLATING FEED CONVEYOR
[List of Patents for class 209 subclass 922]  922           MISCELLANEOUS FEED CONVEYORS
[List of Patents for class 209 subclass 923]  923           FEED THROUGH INCLUDING AT LEAST ONE ENDLESS CONVEYOR
[List of Patents for class 209 subclass 924]  924           GRAVITY CONVEYOR MOVING ITEM FROM SEPARATING STATION
[List of Patents for class 209 subclass 925]  925           DRIVEN OR FLUID CONVEYOR MOVING ITEM FROM SEPARATING STATION
[List of Patents for class 209 subclass 926]  926           SILVERWARE SORTER
[List of Patents for class 209 subclass 927]  927           COP SORTER
[List of Patents for class 209 subclass 928]  928           CONTAINER CLOSURE SORTER
[List of Patents for class 209 subclass 929]  929           FASTENER SORTER
[List of Patents for class 209 subclass 930]  930           MUNICIPAL SOLID WASTE SORTING
[List of Patents for class 209 subclass 931]  931           MATERIALS OF CONSTRUCTION
[List of Patents for class 209 subclass 932]  932           FLUID APPLIED TO ITEMS
[List of Patents for class 209 subclass 933]  933           ACCUMULATION RECEIVING SEPARATED ITEMS
[List of Patents for class 209 subclass 934]  934           MOVING ITEMS TO SORTING MEANS IN SPACED RELATION LENGTHWISE OF FEED PATH
[List of Patents for class 209 subclass 935]  935           AMBULANT
[List of Patents for class 209 subclass 936]  936           PLURAL ITEMS TESTED AS GROUP
[List of Patents for class 209 subclass 937]  937           LAUNDRY SORTING
[List of Patents for class 209 subclass 938]  938           ILLUMINATING MEANS FACILITATING VISUAL INSPECTION
[List of Patents for class 209 subclass 939]  939           VIDEO SCANNING
[List of Patents for class 209 subclass 940]  940           NONCONDITION-RESPONSIVE SORTING BY CONTOUR
[List of Patents for class 209 subclass 941]  941           ITEM CARRYING BRIDGE RAISABLE TO EXPOSE DISCHARGE OPENING
[List of Patents for class 209 subclass 942]  942           OPERATOR SELECTS DESTINATION OF ITEM
 
FOREIGN ART COLLECTIONS
 
   FOR000          CLASS-RELATED FOREIGN DOCUMENTS

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