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[Search a list of Patent Appplications for class 310]  Class   310ELECTRICAL GENERATOR OR MOTOR STRUCTURE
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[List of Patents for class 310 subclass 1]  1           EDUCATIONAL OR CONSTRUCTION UNITS OR KITS
[List of Patents for class 310 subclass 300]  300           NON-DYNAMOELECTRIC
[List of Patents for class 310 subclass 301]  301           Subclass 301 indent level is 1 Nuclear reaction
[List of Patents for class 310 subclass 302]  302           Subclass 302 indent level is 2 Contact potential difference
[List of Patents for class 310 subclass 303]  303           Subclass 303 indent level is 2 P-N semiconductor
[List of Patents for class 310 subclass 304]  304           Subclass 304 indent level is 2 Secondary electron emission
[List of Patents for class 310 subclass 305]  305           Subclass 305 indent level is 2 Direct charge particle emission
[List of Patents for class 310 subclass 306]  306           Subclass 306 indent level is 1 Thermal or pyromagnetic
[List of Patents for class 310 subclass 307]  307           Subclass 307 indent level is 2 With heat actuated bimetal element
[List of Patents for class 310 subclass 308]  308           Subclass 308 indent level is 1 Charge accumulating
[List of Patents for class 310 subclass 309]  309           Subclass 309 indent level is 2 Electrostatic
[List of Patents for class 310 subclass 310]  310           Subclass 310 indent level is 3 Friction
[List of Patents for class 310 subclass 311]  311           Subclass 311 indent level is 1 Piezoelectric elements and devices
[List of Patents for class 310 subclass 312]  312           Subclass 312 indent level is 2 Adding or subtracting mass
[List of Patents for class 310 subclass 313R]  313R           Subclass 313R indent level is 2 Surface acoustic wave devices
[List of Patents for class 310 subclass 313A]  313A           Subclass 313A indent level is 3 Orientation of piezoelectric material
[List of Patents for class 310 subclass 313B]  313B           Subclass 313B indent level is 3 Interdigitated electrodes
[List of Patents for class 310 subclass 313C]  313C           Subclass 313C indent level is 4 Envelope or apodized
[List of Patents for class 310 subclass 313D]  313D           Subclass 313D indent level is 4 Grating or reflector in wave path
[List of Patents for class 310 subclass 314]  314           Subclass 314 indent level is 2 Electrical systems
[List of Patents for class 310 subclass 315]  315           Subclass 315 indent level is 3 Temperature compensation circuits
[List of Patents for class 310 subclass 316.01]  316.01           Subclass 316.01 indent level is 3 Input circuit for simultaneous electrical and mechanical output from piezoelectric element
[List of Patents for class 310 subclass 316.02]  316.02           Subclass 316.02 indent level is 4 Traveling wave motor
[List of Patents for class 310 subclass 316.03]  316.03           Subclass 316.03 indent level is 4 Charging and discharging
[List of Patents for class 310 subclass 317]  317           Subclass 317 indent level is 3 Input circuit for mechanical output from piezoelectric element
[List of Patents for class 310 subclass 318]  318           Subclass 318 indent level is 3 Input circuit for electrical output from piezoelectric element
[List of Patents for class 310 subclass 319]  319           Subclass 319 indent level is 3 Electrical output circuit
[List of Patents for class 310 subclass 320]  320           Subclass 320 indent level is 2 Piezoelectric slab having different resonant frequencies at different areas
[List of Patents for class 310 subclass 321]  321           Subclass 321 indent level is 2 Combined with resonant structure
[List of Patents for class 310 subclass 322]  322           Subclass 322 indent level is 3 Acoustic wave type generator or receiver
[List of Patents for class 310 subclass 323.01]  323.01           Subclass 323.01 indent level is 3 Direct mechanical coupling
[List of Patents for class 310 subclass 323.02]  323.02           Subclass 323.02 indent level is 4 Motor producing continual motion
[List of Patents for class 310 subclass 323.03]  323.03           Subclass 323.03 indent level is 5 Traveling wave motor
[List of Patents for class 310 subclass 323.04]  323.04           Subclass 323.04 indent level is 6 Stator
[List of Patents for class 310 subclass 323.05]  323.05           Subclass 323.05 indent level is 7 Support
[List of Patents for class 310 subclass 323.06]  323.06           Subclass 323.06 indent level is 7 Piezoelectric element or electrode
[List of Patents for class 310 subclass 323.07]  323.07           Subclass 323.07 indent level is 7 Oval track
[List of Patents for class 310 subclass 323.08]  323.08           Subclass 323.08 indent level is 6 Armature
[List of Patents for class 310 subclass 323.09]  323.09           Subclass 323.09 indent level is 7 Pressing means detail
[List of Patents for class 310 subclass 323.11]  323.11           Subclass 323.11 indent level is 6 Specific material or composition
[List of Patents for class 310 subclass 323.12]  323.12           Subclass 323.12 indent level is 5 Langevin or pencil type motor
[List of Patents for class 310 subclass 323.13]  323.13           Subclass 323.13 indent level is 6 Output member detail
[List of Patents for class 310 subclass 323.14]  323.14           Subclass 323.14 indent level is 7 Roller or ball element
[List of Patents for class 310 subclass 323.15]  323.15           Subclass 323.15 indent level is 7 Material or material property
[List of Patents for class 310 subclass 323.16]  323.16           Subclass 323.16 indent level is 5 Eliptical motion at fixed point (i.e., walking) or Ratchet and Pawl motor
[List of Patents for class 310 subclass 323.17]  323.17           Subclass 323.17 indent level is 4 Positions an object
[List of Patents for class 310 subclass 323.18]  323.18           Subclass 323.18 indent level is 4 Device performs work on an object (e.g., welding, cutting)
[List of Patents for class 310 subclass 323.19]  323.19           Subclass 323.19 indent level is 4 Horn or transmission line
[List of Patents for class 310 subclass 323.21]  323.21           Subclass 323.21 indent level is 4 Detector (e.g., sensor)
[List of Patents for class 310 subclass 324]  324           Subclass 324 indent level is 3 Diaphragm
[List of Patents for class 310 subclass 325]  325           Subclass 325 indent level is 3 Sandwich or Langevin type
[List of Patents for class 310 subclass 326]  326           Subclass 326 indent level is 2 Combined with damping structure
[List of Patents for class 310 subclass 327]  327           Subclass 327 indent level is 3 On back of piezoelectric element
[List of Patents for class 310 subclass 328]  328           Subclass 328 indent level is 2 With mechanical energy coupling means
[List of Patents for class 310 subclass 329]  329           Subclass 329 indent level is 3 Including inertia type operator
[List of Patents for class 310 subclass 330]  330           Subclass 330 indent level is 3 Bending type
[List of Patents for class 310 subclass 331]  331           Subclass 331 indent level is 4 Plural elements
[List of Patents for class 310 subclass 332]  332           Subclass 332 indent level is 5 Multimorph
[List of Patents for class 310 subclass 333]  333           Subclass 333 indent level is 3 Shear or torsional type
[List of Patents for class 310 subclass 334]  334           Subclass 334 indent level is 3 Acoustic wave type generator or receiver
[List of Patents for class 310 subclass 335]  335           Subclass 335 indent level is 4 With lens or reflector
[List of Patents for class 310 subclass 336]  336           Subclass 336 indent level is 4 Nondestructive testing type
[List of Patents for class 310 subclass 337]  337           Subclass 337 indent level is 4 Underwater type
[List of Patents for class 310 subclass 338]  338           Subclass 338 indent level is 3 Force or pressure measuring type
[List of Patents for class 310 subclass 339]  339           Subclass 339 indent level is 3 Voltage, spark or current generator
[List of Patents for class 310 subclass 340]  340           Subclass 340 indent level is 2 Encapsulated or coated
[List of Patents for class 310 subclass 341]  341           Subclass 341 indent level is 2 With temperature modifier and/or gas or vapor atmosphere control
[List of Patents for class 310 subclass 342]  342           Subclass 342 indent level is 3 For plural piezoelectric elements
[List of Patents for class 310 subclass 343]  343           Subclass 343 indent level is 3 With heating element
[List of Patents for class 310 subclass 344]  344           Subclass 344 indent level is 3 Sealed unit
[List of Patents for class 310 subclass 345]  345           Subclass 345 indent level is 2 Supported by elastic material
[List of Patents for class 310 subclass 346]  346           Subclass 346 indent level is 2 With temperature compensating structure
[List of Patents for class 310 subclass 347]  347           Subclass 347 indent level is 3 Compensated air gap
[List of Patents for class 310 subclass 348]  348           Subclass 348 indent level is 2 With mounting or support means
[List of Patents for class 310 subclass 349]  349           Subclass 349 indent level is 3 Air gap
[List of Patents for class 310 subclass 350]  350           Subclass 350 indent level is 4 Adjustable
[List of Patents for class 310 subclass 351]  351           Subclass 351 indent level is 3 Suspended by thin member
[List of Patents for class 310 subclass 352]  352           Subclass 352 indent level is 4 Point contact on major surfce only
[List of Patents for class 310 subclass 353]  353           Subclass 353 indent level is 4 Contact at edges only
[List of Patents for class 310 subclass 354]  354           Subclass 354 indent level is 3 Clamped
[List of Patents for class 310 subclass 355]  355           Subclass 355 indent level is 4 Spring bias
[List of Patents for class 310 subclass 356]  356           Subclass 356 indent level is 5 90 degrees to major surface and margin clamped only
[List of Patents for class 310 subclass 357]  357           Subclass 357 indent level is 2 Orientation of piezoelectric polarization
[List of Patents for class 310 subclass 358]  358           Subclass 358 indent level is 3 Ceramic composition (e.g., barium titanate)
[List of Patents for class 310 subclass 359]  359           Subclass 359 indent level is 4 More than one poling direction (e.g., Rosen transformer)
[List of Patents for class 310 subclass 360]  360           Subclass 360 indent level is 2 Rotation of crystal axis (e.g., cut angle)
[List of Patents for class 310 subclass 361]  361           Subclass 361 indent level is 3 Quartz
[List of Patents for class 310 subclass 362]  362           Subclass 362 indent level is 3 Rochelle salt
[List of Patents for class 310 subclass 363]  363           Subclass 363 indent level is 2 Electrode materials
[List of Patents for class 310 subclass 364]  364           Subclass 364 indent level is 3 Multilayer
[List of Patents for class 310 subclass 365]  365           Subclass 365 indent level is 2 Electrode arrangement
[List of Patents for class 310 subclass 366]  366           Subclass 366 indent level is 3 More than two
[List of Patents for class 310 subclass 367]  367           Subclass 367 indent level is 2 Piezoelectric element shape
[List of Patents for class 310 subclass 368]  368           Subclass 368 indent level is 3 Rectangular plate
[List of Patents for class 310 subclass 369]  369           Subclass 369 indent level is 3 Circular disc, ring, or cylinder
[List of Patents for class 310 subclass 370]  370           Subclass 370 indent level is 3 "U" or "tuning fork" shape
[List of Patents for class 310 subclass 371]  371           Subclass 371 indent level is 3 Sphere or hemisphere
[List of Patents for class 310 subclass 10]  10           DYNAMOELECTRIC
[List of Patents for class 310 subclass 11]  11           Subclass 11 indent level is 1 Conducting fluid
[List of Patents for class 310 subclass 12]  12           Subclass 12 indent level is 1 Linear
[List of Patents for class 310 subclass 13]  13           Subclass 13 indent level is 2 Fixed and movable wound elements
[List of Patents for class 310 subclass 14]  14           Subclass 14 indent level is 2 Solenoid and core type
[List of Patents for class 310 subclass 15]  15           Subclass 15 indent level is 1 Reciprocating
[List of Patents for class 310 subclass 16]  16           Subclass 16 indent level is 2 With cooling or temperature modification
[List of Patents for class 310 subclass 17]  17           Subclass 17 indent level is 2 With other elements
[List of Patents for class 310 subclass 19]  19           Subclass 19 indent level is 3 Speed control or time delay
[List of Patents for class 310 subclass 20]  20           Subclass 20 indent level is 3 Motion-converting mechanism
[List of Patents for class 310 subclass 21]  21           Subclass 21 indent level is 4 Pivoted or flat-spring armature
[List of Patents for class 310 subclass 22]  22           Subclass 22 indent level is 5 Plural armatures
[List of Patents for class 310 subclass 23]  23           Subclass 23 indent level is 4 Solenoid and core type
[List of Patents for class 310 subclass 24]  24           Subclass 24 indent level is 5 Plural cores
[List of Patents for class 310 subclass 25]  25           Subclass 25 indent level is 2 Reed type
[List of Patents for class 310 subclass 26]  26           Subclass 26 indent level is 2 Magnetostrictive
[List of Patents for class 310 subclass 27]  27           Subclass 27 indent level is 2 Fixed and movable wound elements
[List of Patents for class 310 subclass 28]  28           Subclass 28 indent level is 2 Direct-connected
[List of Patents for class 310 subclass 29]  29           Subclass 29 indent level is 3 Pivoted or flat-spring armature
[List of Patents for class 310 subclass 30]  30           Subclass 30 indent level is 3 Solenoid and core
[List of Patents for class 310 subclass 31]  31           Subclass 31 indent level is 2 Self-actuated interrupter
[List of Patents for class 310 subclass 32]  32           Subclass 32 indent level is 3 Pivoted or flat-spring armature
[List of Patents for class 310 subclass 33]  33           Subclass 33 indent level is 4 Plural armatures
[List of Patents for class 310 subclass 34]  34           Subclass 34 indent level is 3 Solenoid and core
[List of Patents for class 310 subclass 35]  35           Subclass 35 indent level is 4 Successively energized solenoid coils
[List of Patents for class 310 subclass 36]  36           Subclass 36 indent level is 1 Oscillating
[List of Patents for class 310 subclass 37]  37           Subclass 37 indent level is 2 With motion-converting mechanism
[List of Patents for class 310 subclass 38]  38           Subclass 38 indent level is 2 Direct-connected
[List of Patents for class 310 subclass 39]  39           Subclass 39 indent level is 2 With interrupter
[List of Patents for class 310 subclass 40R]  40R           Subclass 40R indent level is 1 Rotary
[List of Patents for class 310 subclass 40.5]  40.5           Subclass 40.5 indent level is 2 Self-nutating or moving (e.g., oscillating fan, etc.)
[List of Patents for class 310 subclass 41]  41           Subclass 41 indent level is 2 With mechanical starters
[List of Patents for class 310 subclass 42]  42           Subclass 42 indent level is 2 With assembling, metal casting or machining feature
[List of Patents for class 310 subclass 43]  43           Subclass 43 indent level is 2 Molded plastic
[List of Patents for class 310 subclass 44]  44           Subclass 44 indent level is 2 Powdered metal
[List of Patents for class 310 subclass 45]  45           Subclass 45 indent level is 2 Impregnated or coated
[List of Patents for class 310 subclass 46]  46           Subclass 46 indent level is 2 Magnetic motors
[List of Patents for class 310 subclass 47]  47           Subclass 47 indent level is 3 Portable or hand tool (e.g., dry shavers)
[List of Patents for class 310 subclass 48]  48           Subclass 48 indent level is 3 With other elements
[List of Patents for class 310 subclass 49R]  49R           Subclass 49R indent level is 3 Step-by-step
[List of Patents for class 310 subclass 49A]  49A           Subclass 49A indent level is 4 Claw-tooth and printed circuit components
[List of Patents for class 310 subclass 50]  50           Subclass 50 indent level is 2 Portable or hand tool
[List of Patents for class 310 subclass 51]  51           Subclass 51 indent level is 2 Vibration or noise suppression
[List of Patents for class 310 subclass 52]  52           Subclass 52 indent level is 2 Cooling or fluid contact
[List of Patents for class 310 subclass 53]  53           Subclass 53 indent level is 3 With control means
[List of Patents for class 310 subclass 54]  54           Subclass 54 indent level is 3 Liquid coolant
[List of Patents for class 310 subclass 55]  55           Subclass 55 indent level is 3 Nonatmospheric gas
[List of Patents for class 310 subclass 56]  56           Subclass 56 indent level is 3 With gas purification or treating
[List of Patents for class 310 subclass 57]  57           Subclass 57 indent level is 3 Intermediate confined coolant
[List of Patents for class 310 subclass 58]  58           Subclass 58 indent level is 3 Circulation
[List of Patents for class 310 subclass 59]  59           Subclass 59 indent level is 4 Plural units or plural paths
[List of Patents for class 310 subclass 60R]  60R           Subclass 60R indent level is 4 Self-forced
[List of Patents for class 310 subclass 61]  61           Subclass 61 indent level is 5 Rotor passage
[List of Patents for class 310 subclass 62]  62           Subclass 62 indent level is 5 Suction pump or fan
[List of Patents for class 310 subclass 63]  63           Subclass 63 indent level is 5 Pressure pump or fan
[List of Patents for class 310 subclass 60A]  60A           Subclass 60A indent level is 5 Hollow passages
[List of Patents for class 310 subclass 64]  64           Subclass 64 indent level is 4 Heat-exchange structure
[List of Patents for class 310 subclass 65]  65           Subclass 65 indent level is 5 Spacers (e.g., laminae, coils, etc.)
[List of Patents for class 310 subclass 66]  66           Subclass 66 indent level is 2 With other elements
[List of Patents for class 310 subclass 67R]  67R           Subclass 67R indent level is 3 Inbuilt or incorporated unit
[List of Patents for class 310 subclass 67A]  67A           Subclass 67A indent level is 4 Bicycle-hub generators
[List of Patents for class 310 subclass 68R]  68R           Subclass 68R indent level is 3 Electric circuit elements
[List of Patents for class 310 subclass 69]  69           Subclass 69 indent level is 4 Shaft-driven switch (e.g., blasting generators)
[List of Patents for class 310 subclass 70R]  70R           Subclass 70R indent level is 5 Distributor or timer (e.g., ignition magnetos)
[List of Patents for class 310 subclass 70A]  70A           Subclass 70A indent level is 6 Ignition systems
[List of Patents for class 310 subclass 71]  71           Subclass 71 indent level is 4 Connectors, terminals or lead-ins
[List of Patents for class 310 subclass 72]  72           Subclass 72 indent level is 4 Impedance devices
[List of Patents for class 310 subclass 73]  73           Subclass 73 indent level is 4 Illuminating devices
[List of Patents for class 310 subclass 68A]  68A           Subclass 68A indent level is 4 Manually operable (e.g., switches, rheostats, etc.)
[List of Patents for class 310 subclass 68B]  68B           Subclass 68B indent level is 4 Condition responsive (e.g., position, torque, etc.)
[List of Patents for class 310 subclass 68C]  68C           Subclass 68C indent level is 4 Temperature, current-responsive, i.e., protectors
[List of Patents for class 310 subclass 68D]  68D           Subclass 68D indent level is 4 Conversion elements, (e.g., transformers, rectifiers, etc.)
[List of Patents for class 310 subclass 68E]  68E           Subclass 68E indent level is 4 Motion responsive (e.g., centrifugal switches)
[List of Patents for class 310 subclass 74]  74           Subclass 74 indent level is 3 Inertia or fly-wheel device
[List of Patents for class 310 subclass 75R]  75R           Subclass 75R indent level is 3 Drive mechanism
[List of Patents for class 310 subclass 76]  76           Subclass 76 indent level is 4 Brake and clutch
[List of Patents for class 310 subclass 77]  77           Subclass 77 indent level is 4 Brake
[List of Patents for class 310 subclass 78]  78           Subclass 78 indent level is 4 Clutch
[List of Patents for class 310 subclass 79]  79           Subclass 79 indent level is 4 Shaft and armature timing or phasing connection
[List of Patents for class 310 subclass 80]  80           Subclass 80 indent level is 4 Motion conversion
[List of Patents for class 310 subclass 81]  81           Subclass 81 indent level is 5 Unbalanced weight (e.g., vibrators)
[List of Patents for class 310 subclass 82]  82           Subclass 82 indent level is 5 Swash plate
[List of Patents for class 310 subclass 83]  83           Subclass 83 indent level is 5 Gearing
[List of Patents for class 310 subclass 84]  84           Subclass 84 indent level is 5 Impulse coupling
[List of Patents for class 310 subclass 75A]  75A           Subclass 75A indent level is 4 Spring or gravity drive
[List of Patents for class 310 subclass 75B]  75B           Subclass 75B indent level is 4 Hand- or foot-operated
[List of Patents for class 310 subclass 75C]  75C           Subclass 75C indent level is 4 Rim drive (e.g., bicycle generator drive by wheel, rim, or tire)
[List of Patents for class 310 subclass 75D]  75D           Subclass 75D indent level is 4 Flexible shaft or coupling and hollow shaft drive
[List of Patents for class 310 subclass 85]  85           Subclass 85 indent level is 3 Mechanical shields or protectors
[List of Patents for class 310 subclass 86]  86           Subclass 86 indent level is 4 Shield in air gap
[List of Patents for class 310 subclass 87]  87           Subclass 87 indent level is 4 Submersible
[List of Patents for class 310 subclass 88]  88           Subclass 88 indent level is 4 Dirt, moisture or explosion proof
[List of Patents for class 310 subclass 89]  89           Subclass 89 indent level is 4 Housings, windows or covers
[List of Patents for class 310 subclass 90]  90           Subclass 90 indent level is 3 Bearing or air-gap adjustment or bearing lubrication
[List of Patents for class 310 subclass 90.5]  90.5           Subclass 90.5 indent level is 4 Magnetic bearing
[List of Patents for class 310 subclass 91]  91           Subclass 91 indent level is 3 Supports
[List of Patents for class 310 subclass 92]  92           Subclass 92 indent level is 2 Torque-transmitting clutches or brakes
[List of Patents for class 310 subclass 93]  93           Subclass 93 indent level is 3 Brake type
[List of Patents for class 310 subclass 94]  94           Subclass 94 indent level is 3 Automatic control
[List of Patents for class 310 subclass 95]  95           Subclass 95 indent level is 4 By speed
[List of Patents for class 310 subclass 96]  96           Subclass 96 indent level is 3 With other drive mechanism
[List of Patents for class 310 subclass 97]  97           Subclass 97 indent level is 4 Output bias or resistance device
[List of Patents for class 310 subclass 98]  98           Subclass 98 indent level is 4 Drive motor
[List of Patents for class 310 subclass 99]  99           Subclass 99 indent level is 4 Gearing
[List of Patents for class 310 subclass 100]  100           Subclass 100 indent level is 4 Mechanical clutch
[List of Patents for class 310 subclass 101]  101           Subclass 101 indent level is 3 Plural units
[List of Patents for class 310 subclass 102R]  102R           Subclass 102R indent level is 3 Generator-motor type
[List of Patents for class 310 subclass 102A]  102A           Subclass 102A indent level is 4 Homopolar clutches
[List of Patents for class 310 subclass 103]  103           Subclass 103 indent level is 3 Magnetic field type
[List of Patents for class 310 subclass 104]  104           Subclass 104 indent level is 4 With air-gap shield
[List of Patents for class 310 subclass 105]  105           Subclass 105 indent level is 4 Induced or eddy current type
[List of Patents for class 310 subclass 106]  106           Subclass 106 indent level is 5 Magnetic reluctance feature
[List of Patents for class 310 subclass 107]  107           Subclass 107 indent level is 5 With collection means for induced current
[List of Patents for class 310 subclass 108]  108           Subclass 108 indent level is 6 Delivery to external device
[List of Patents for class 310 subclass 109]  109           Subclass 109 indent level is 7 Electric motor
[List of Patents for class 310 subclass 110]  110           Subclass 110 indent level is 7 Impedance
[List of Patents for class 310 subclass 111]  111           Subclass 111 indent level is 2 Generated wave-form modification
[List of Patents for class 310 subclass 112]  112           Subclass 112 indent level is 2 Plural units, structurally united
[List of Patents for class 310 subclass 113]  113           Subclass 113 indent level is 3 Motor-generator sets
[List of Patents for class 310 subclass 114]  114           Subclass 114 indent level is 2 Plural rotary elements
[List of Patents for class 310 subclass 115]  115           Subclass 115 indent level is 3 Field and armature both rotate
[List of Patents for class 310 subclass 116]  116           Subclass 116 indent level is 4 Limited movement
[List of Patents for class 310 subclass 117]  117           Subclass 117 indent level is 5 Mechanical bias
[List of Patents for class 310 subclass 118]  118           Subclass 118 indent level is 4 With interconnecting drive mechanism
[List of Patents for class 310 subclass 119]  119           Subclass 119 indent level is 5 Fluid-drive mechanism
[List of Patents for class 310 subclass 120]  120           Subclass 120 indent level is 5 Friction-drive mechanism
[List of Patents for class 310 subclass 121]  121           Subclass 121 indent level is 5 Mechanically controlled element
[List of Patents for class 310 subclass 122]  122           Subclass 122 indent level is 6 By additional dynamoelectric machine
[List of Patents for class 310 subclass 123]  123           Subclass 123 indent level is 6 Friction brake
[List of Patents for class 310 subclass 124]  124           Subclass 124 indent level is 3 Plural short-circuited rotary elements
[List of Patents for class 310 subclass 125]  125           Subclass 125 indent level is 4 Squirrel cage type
[List of Patents for class 310 subclass 126]  126           Subclass 126 indent level is 3 Plural armatures in common field
[List of Patents for class 310 subclass 127]  127           Subclass 127 indent level is 2 Plural collector-type machines
[List of Patents for class 310 subclass 128]  128           Subclass 128 indent level is 3 Commutator and slip-ring type
[List of Patents for class 310 subclass 129]  129           Subclass 129 indent level is 4 Synchronous or rotary converter
[List of Patents for class 310 subclass 130]  130           Subclass 130 indent level is 5 For plural wire D.C. system
[List of Patents for class 310 subclass 131]  131           Subclass 131 indent level is 4 Different armature circuits
[List of Patents for class 310 subclass 132]  132           Subclass 132 indent level is 5 Polyphase armature winding
[List of Patents for class 310 subclass 133]  133           Subclass 133 indent level is 4 Common armature winding
[List of Patents for class 310 subclass 134]  134           Subclass 134 indent level is 5 With plural field windings
[List of Patents for class 310 subclass 135]  135           Subclass 135 indent level is 4 Commutator in field circuit
[List of Patents for class 310 subclass 136]  136           Subclass 136 indent level is 3 Plural commutator type
[List of Patents for class 310 subclass 137]  137           Subclass 137 indent level is 4 Double current D. C. machines
[List of Patents for class 310 subclass 138]  138           Subclass 138 indent level is 5 Dynamotor type
[List of Patents for class 310 subclass 139]  139           Subclass 139 indent level is 5 Hetero-axial excitation
[List of Patents for class 310 subclass 140]  140           Subclass 140 indent level is 4 Plural armature windings
[List of Patents for class 310 subclass 141]  141           Subclass 141 indent level is 5 Plural field windings
[List of Patents for class 310 subclass 142]  142           Subclass 142 indent level is 4 Plural field windings
[List of Patents for class 310 subclass 143]  143           Subclass 143 indent level is 3 Plural slip-ring sets
[List of Patents for class 310 subclass 144]  144           Subclass 144 indent level is 4 Plural armature windings
[List of Patents for class 310 subclass 145]  145           Subclass 145 indent level is 5 Plural sets of poles
[List of Patents for class 310 subclass 146]  146           Subclass 146 indent level is 5 Polyphase windings
[List of Patents for class 310 subclass 147]  147           Subclass 147 indent level is 5 Slip rings in field circuit
[List of Patents for class 310 subclass 148]  148           Subclass 148 indent level is 3 Plural sets of brushes
[List of Patents for class 310 subclass 149]  149           Subclass 149 indent level is 4 Plural field windings
[List of Patents for class 310 subclass 150]  150           Subclass 150 indent level is 5 Polyphase arrangement
[List of Patents for class 310 subclass 151]  151           Subclass 151 indent level is 4 Short circuiting conductor between brushes
[List of Patents for class 310 subclass 152]  152           Subclass 152 indent level is 2 Permanent magnet machines
[List of Patents for class 310 subclass 153]  153           Subclass 153 indent level is 3 Inbuilt with flywheel (magneto)
[List of Patents for class 310 subclass 154.01]  154.01           Subclass 154.01 indent level is 3 Permanent magnet stator
[List of Patents for class 310 subclass 154.02]  154.02           Subclass 154.02 indent level is 4 Combined with generating coil
[List of Patents for class 310 subclass 154.03]  154.03           Subclass 154.03 indent level is 4 Means for securing magnet
[List of Patents for class 310 subclass 154.04]  154.04           Subclass 154.04 indent level is 5 Cantilevered
[List of Patents for class 310 subclass 154.05]  154.05           Subclass 154.05 indent level is 5 Axial
[List of Patents for class 310 subclass 154.06]  154.06           Subclass 154.06 indent level is 6 Plural sets of magnets
[List of Patents for class 310 subclass 154.07]  154.07           Subclass 154.07 indent level is 5 Adhesive
[List of Patents for class 310 subclass 154.08]  154.08           Subclass 154.08 indent level is 5 Mounted to magnet yoke
[List of Patents for class 310 subclass 154.09]  154.09           Subclass 154.09 indent level is 6 Split housing/yoke
[List of Patents for class 310 subclass 154.11]  154.11           Subclass 154.11 indent level is 5 Embedded in core or pole
[List of Patents for class 310 subclass 154.12]  154.12           Subclass 154.12 indent level is 5 Cylindrical sleeve holder
[List of Patents for class 310 subclass 154.13]  154.13           Subclass 154.13 indent level is 5 Holder with pocket for magnet
[List of Patents for class 310 subclass 154.14]  154.14           Subclass 154.14 indent level is 5 Spring clip
[List of Patents for class 310 subclass 154.15]  154.15           Subclass 154.15 indent level is 6 Clip secured to housing
[List of Patents for class 310 subclass 154.16]  154.16           Subclass 154.16 indent level is 5 Axially pressing on magnets
[List of Patents for class 310 subclass 154.17]  154.17           Subclass 154.17 indent level is 5 Wedging between
[List of Patents for class 310 subclass 154.18]  154.18           Subclass 154.18 indent level is 6 With a magnetic wedge
[List of Patents for class 310 subclass 154.19]  154.19           Subclass 154.19 indent level is 7 With an integral wedge
[List of Patents for class 310 subclass 154.21]  154.21           Subclass 154.21 indent level is 4 Permanent magnet characterized by the shape of the magnet
[List of Patents for class 310 subclass 154.22]  154.22           Subclass 154.22 indent level is 5 With specific dimension
[List of Patents for class 310 subclass 154.23]  154.23           Subclass 154.23 indent level is 5 Horseshoe
[List of Patents for class 310 subclass 154.24]  154.24           Subclass 154.24 indent level is 5 Bar, square or rectangular
[List of Patents for class 310 subclass 154.25]  154.25           Subclass 154.25 indent level is 5 Disk, ring, or cylinder
[List of Patents for class 310 subclass 154.26]  154.26           Subclass 154.26 indent level is 4 With means to prevent or reduce demagnetization (i.e., auxiliary magnetic poles)
[List of Patents for class 310 subclass 154.27]  154.27           Subclass 154.27 indent level is 5 With an auxiliary pole extending between stator magnet and rotor
[List of Patents for class 310 subclass 154.28]  154.28           Subclass 154.28 indent level is 4 Specific magnetization
[List of Patents for class 310 subclass 154.29]  154.29           Subclass 154.29 indent level is 5 Specific position or shape
[List of Patents for class 310 subclass 154.31]  154.31           Subclass 154.31 indent level is 4 Single pole pair
[List of Patents for class 310 subclass 154.32]  154.32           Subclass 154.32 indent level is 5 Permanent magnet extends along an axis
[List of Patents for class 310 subclass 154.33]  154.33           Subclass 154.33 indent level is 5 Plural rotors
[List of Patents for class 310 subclass 154.34]  154.34           Subclass 154.34 indent level is 5 With adjustable magnetic structure
[List of Patents for class 310 subclass 154.35]  154.35           Subclass 154.35 indent level is 5 With specific pole pieces or pole shoes
[List of Patents for class 310 subclass 154.36]  154.36           Subclass 154.36 indent level is 6 Circumferentially spaced poles and magnets
[List of Patents for class 310 subclass 154.37]  154.37           Subclass 154.37 indent level is 6 Poles extending axially from magnets
[List of Patents for class 310 subclass 154.38]  154.38           Subclass 154.38 indent level is 6 Pole shoe shape
[List of Patents for class 310 subclass 154.39]  154.39           Subclass 154.39 indent level is 6 Different size
[List of Patents for class 310 subclass 154.41]  154.41           Subclass 154.41 indent level is 6 Laminated
[List of Patents for class 310 subclass 154.42]  154.42           Subclass 154.42 indent level is 5 Induced flux return pole
[List of Patents for class 310 subclass 154.43]  154.43           Subclass 154.43 indent level is 4 Additional permanent magnets
[List of Patents for class 310 subclass 154.44]  154.44           Subclass 154.44 indent level is 4 Additional shield or coating (non-magnetic)
[List of Patents for class 310 subclass 154.45]  154.45           Subclass 154.45 indent level is 4 Multiple pole pairs
[List of Patents for class 310 subclass 154.46]  154.46           Subclass 154.46 indent level is 5 With specific pole shoe pieces
[List of Patents for class 310 subclass 154.47]  154.47           Subclass 154.47 indent level is 5 Magnet extending between two poles
[List of Patents for class 310 subclass 154.48]  154.48           Subclass 154.48 indent level is 5 Induce flux return pole
[List of Patents for class 310 subclass 154.49]  154.49           Subclass 154.49 indent level is 5 Adjustable
[List of Patents for class 310 subclass 155]  155           Subclass 155 indent level is 4 Inductor type
[List of Patents for class 310 subclass 156.01]  156.01           Subclass 156.01 indent level is 3 Permanent magnet rotor
[List of Patents for class 310 subclass 156.02]  156.02           Subclass 156.02 indent level is 4 Transverse flux
[List of Patents for class 310 subclass 156.03]  156.03           Subclass 156.03 indent level is 4 With a hysteresis ring
[List of Patents for class 310 subclass 156.04]  156.04           Subclass 156.04 indent level is 4 Separate portion of the rotor magnet used as a thrust bearing
[List of Patents for class 310 subclass 156.05]  156.05           Subclass 156.05 indent level is 4 Separate portion of the rotor magnet used as a magnet for sensing (i.e., for position or frequency)
[List of Patents for class 310 subclass 156.06]  156.06           Subclass 156.06 indent level is 4 Combined with flux for sensing
[List of Patents for class 310 subclass 156.07]  156.07           Subclass 156.07 indent level is 4 Additional flux directing magnets
[List of Patents for class 310 subclass 156.08]  156.08           Subclass 156.08 indent level is 4 Mounting (such as on a surface of a shaft)
[List of Patents for class 310 subclass 156.09]  156.09           Subclass 156.09 indent level is 5 Keyed to shaft
[List of Patents for class 310 subclass 156.11]  156.11           Subclass 156.11 indent level is 5 Magnets in shaft
[List of Patents for class 310 subclass 156.12]  156.12           Subclass 156.12 indent level is 5 Mounted on a sleeve/hub
[List of Patents for class 310 subclass 156.13]  156.13           Subclass 156.13 indent level is 6 Keyed to a sleeve/hub
[List of Patents for class 310 subclass 156.14]  156.14           Subclass 156.14 indent level is 6 Knurl between the sleeve/hub and a shaft
[List of Patents for class 310 subclass 156.15]  156.15           Subclass 156.15 indent level is 6 Induced flux pole on sleeve/hub
[List of Patents for class 310 subclass 156.16]  156.16           Subclass 156.16 indent level is 5 Spring mounted
[List of Patents for class 310 subclass 156.17]  156.17           Subclass 156.17 indent level is 6 Spring mounted flux shunt
[List of Patents for class 310 subclass 156.18]  156.18           Subclass 156.18 indent level is 5 With a threaded fastener
[List of Patents for class 310 subclass 156.19]  156.19           Subclass 156.19 indent level is 5 With a wedge
[List of Patents for class 310 subclass 156.21]  156.21           Subclass 156.21 indent level is 5 With an adhesive
[List of Patents for class 310 subclass 156.22]  156.22           Subclass 156.22 indent level is 5 With an axial end clamp
[List of Patents for class 310 subclass 156.23]  156.23           Subclass 156.23 indent level is 5 With casting material around the magnet
[List of Patents for class 310 subclass 156.24]  156.24           Subclass 156.24 indent level is 5 Including a spring mount to adjust a flux
[List of Patents for class 310 subclass 156.25]  156.25           Subclass 156.25 indent level is 5 Axially offset and radially magnetized magnets
[List of Patents for class 310 subclass 156.26]  156.26           Subclass 156.26 indent level is 5 Mounted on a bell shape hub
[List of Patents for class 310 subclass 156.27]  156.27           Subclass 156.27 indent level is 5 Including thermal compensation
[List of Patents for class 310 subclass 156.28]  156.28           Subclass 156.28 indent level is 5 Sleeve covering magnet face
[List of Patents for class 310 subclass 156.29]  156.29           Subclass 156.29 indent level is 5 Sleeve parallel to magnetic face
[List of Patents for class 310 subclass 156.31]  156.31           Subclass 156.31 indent level is 5 Banding around magnet
[List of Patents for class 310 subclass 156.32]  156.32           Subclass 156.32 indent level is 4 Including an axial air gap
[List of Patents for class 310 subclass 156.33]  156.33           Subclass 156.33 indent level is 5 With pole shoes
[List of Patents for class 310 subclass 156.34]  156.34           Subclass 156.34 indent level is 5 With a stator between a rotating flux return plate and rotor magnet
[List of Patents for class 310 subclass 156.35]  156.35           Subclass 156.35 indent level is 5 With single rotor magnet and plural stators
[List of Patents for class 310 subclass 156.36]  156.36           Subclass 156.36 indent level is 5 With plural sets of rotating magnets
[List of Patents for class 310 subclass 156.37]  156.37           Subclass 156.37 indent level is 6 With single stator and plural sets of rotating magnets
[List of Patents for class 310 subclass 156.38]  156.38           Subclass 156.38 indent level is 4 Specific shape
[List of Patents for class 310 subclass 156.39]  156.39           Subclass 156.39 indent level is 5 Horseshoe
[List of Patents for class 310 subclass 156.41]  156.41           Subclass 156.41 indent level is 5 Triangular
[List of Patents for class 310 subclass 156.42]  156.42           Subclass 156.42 indent level is 5 Star
[List of Patents for class 310 subclass 156.43]  156.43           Subclass 156.43 indent level is 5 Specific magnetization
[List of Patents for class 310 subclass 156.44]  156.44           Subclass 156.44 indent level is 6 Different pole width
[List of Patents for class 310 subclass 156.45]  156.45           Subclass 156.45 indent level is 6 Specific dimensions
[List of Patents for class 310 subclass 156.46]  156.46           Subclass 156.46 indent level is 6 Shaped to vary air
[List of Patents for class 310 subclass 156.47]  156.47           Subclass 156.47 indent level is 6 Skewed
[List of Patents for class 310 subclass 156.48]  156.48           Subclass 156.48 indent level is 4 Pole shoes/pole pieces
[List of Patents for class 310 subclass 156.49]  156.49           Subclass 156.49 indent level is 5 Radial flux path and radially positioned pole shoes
[List of Patents for class 310 subclass 156.51]  156.51           Subclass 156.51 indent level is 6 Laminated pole shoes with multiple pole pairs
[List of Patents for class 310 subclass 156.52]  156.52           Subclass 156.52 indent level is 6 Laminated pole shoes with single pole pair
[List of Patents for class 310 subclass 156.53]  156.53           Subclass 156.53 indent level is 6 Embedded in a core
[List of Patents for class 310 subclass 156.54]  156.54           Subclass 156.54 indent level is 6 Induced flux return poles
[List of Patents for class 310 subclass 156.55]  156.55           Subclass 156.55 indent level is 5 Circumferential flux path and circumferential pole shoes
[List of Patents for class 310 subclass 156.56]  156.56           Subclass 156.56 indent level is 6 Embedded
[List of Patents for class 310 subclass 156.57]  156.57           Subclass 156.57 indent level is 6 With slots or holes to guide flux
[List of Patents for class 310 subclass 156.58]  156.58           Subclass 156.58 indent level is 6 Different size pole shoes
[List of Patents for class 310 subclass 156.59]  156.59           Subclass 156.59 indent level is 6 Pole shoes fixed to hub or shaft
[List of Patents for class 310 subclass 156.61]  156.61           Subclass 156.61 indent level is 6 Pole shoes fixed with end plates
[List of Patents for class 310 subclass 156.62]  156.62           Subclass 156.62 indent level is 5 Axially magnetized with poles shoes at one end
[List of Patents for class 310 subclass 156.63]  156.63           Subclass 156.63 indent level is 6 Laminated pole shoes
[List of Patents for class 310 subclass 156.64]  156.64           Subclass 156.64 indent level is 5 Axially magnetized with pole shoes at both ends
[List of Patents for class 310 subclass 156.65]  156.65           Subclass 156.65 indent level is 6 Laminated pole shoes
[List of Patents for class 310 subclass 156.66]  156.66           Subclass 156.66 indent level is 4 Claw poles/interfitting poles/lundel
[List of Patents for class 310 subclass 156.67]  156.67           Subclass 156.67 indent level is 5 Laminated pole shoes
[List of Patents for class 310 subclass 156.68]  156.68           Subclass 156.68 indent level is 5 Poles formed by magnet
[List of Patents for class 310 subclass 156.69]  156.69           Subclass 156.69 indent level is 5 Plural sets of claw poles
[List of Patents for class 310 subclass 156.71]  156.71           Subclass 156.71 indent level is 5 Claw poles extend in the same axial direction
[List of Patents for class 310 subclass 156.72]  156.72           Subclass 156.72 indent level is 5 Additional support for magnet
[List of Patents for class 310 subclass 156.73]  156.73           Subclass 156.73 indent level is 5 Additional support for claw pole tips
[List of Patents for class 310 subclass 156.74]  156.74           Subclass 156.74 indent level is 4 Damping features
[List of Patents for class 310 subclass 156.75]  156.75           Subclass 156.75 indent level is 5 Damper plate on magnetic face
[List of Patents for class 310 subclass 156.76]  156.76           Subclass 156.76 indent level is 5 Damper in pole pieces
[List of Patents for class 310 subclass 156.77]  156.77           Subclass 156.77 indent level is 5 Damper cage around magnet
[List of Patents for class 310 subclass 156.78]  156.78           Subclass 156.78 indent level is 4 Squirrel cage
[List of Patents for class 310 subclass 156.79]  156.79           Subclass 156.79 indent level is 5 Including laminated ring
[List of Patents for class 310 subclass 156.81]  156.81           Subclass 156.81 indent level is 5 Magnet positioned between squirrel cage and stator
[List of Patents for class 310 subclass 156.82]  156.82           Subclass 156.82 indent level is 5 Axially magnetized magnets or axially positioned magnets
[List of Patents for class 310 subclass 156.83]  156.83           Subclass 156.83 indent level is 5 Including a flux barrier
[List of Patents for class 310 subclass 156.84]  156.84           Subclass 156.84 indent level is 6 Flux barrier is a magnet
[List of Patents for class 310 subclass 157]  157           Subclass 157 indent level is 2 Vertically disposed
[List of Patents for class 310 subclass 158]  158           Subclass 158 indent level is 2 Universal (A.C. or D.C.)
[List of Patents for class 310 subclass 159]  159           Subclass 159 indent level is 2 A.C.
[List of Patents for class 310 subclass 160]  160           Subclass 160 indent level is 3 Frequency converters
[List of Patents for class 310 subclass 161]  161           Subclass 161 indent level is 3 Phase-shifter type
[List of Patents for class 310 subclass 162]  162           Subclass 162 indent level is 3 Synchronous
[List of Patents for class 310 subclass 163]  163           Subclass 163 indent level is 4 Reaction type
[List of Patents for class 310 subclass 164]  164           Subclass 164 indent level is 5 Toroidal coil
[List of Patents for class 310 subclass 165]  165           Subclass 165 indent level is 4 D.C. excited
[List of Patents for class 310 subclass 166]  166           Subclass 166 indent level is 3 Induction
[List of Patents for class 310 subclass 167]  167           Subclass 167 indent level is 4 With repulsion-starting
[List of Patents for class 310 subclass 168]  168           Subclass 168 indent level is 4 Inductor-type generators (variable reluctance)
[List of Patents for class 310 subclass 169]  169           Subclass 169 indent level is 5 High frequency
[List of Patents for class 310 subclass 170]  170           Subclass 170 indent level is 6 Multifrequency
[List of Patents for class 310 subclass 171]  171           Subclass 171 indent level is 4 Induction generators
[List of Patents for class 310 subclass 172]  172           Subclass 172 indent level is 4 Shifting field (e.g., shading pole)
[List of Patents for class 310 subclass 173]  173           Subclass 173 indent level is 3 Commutated
[List of Patents for class 310 subclass 174]  174           Subclass 174 indent level is 4 Single phase
[List of Patents for class 310 subclass 175]  175           Subclass 175 indent level is 5 Conduction operation
[List of Patents for class 310 subclass 176]  176           Subclass 176 indent level is 5 Transformer operation
[List of Patents for class 310 subclass 177]  177           Subclass 177 indent level is 2 D.C.
[List of Patents for class 310 subclass 178]  178           Subclass 178 indent level is 3 Homopolar
[List of Patents for class 310 subclass 179]  179           Subclass 179 indent level is 2 Windings and core structure
[List of Patents for class 310 subclass 180]  180           Subclass 180 indent level is 3 Field or excitation windings or structure
[List of Patents for class 310 subclass 181]  181           Subclass 181 indent level is 4 Combined permanent and electromagnet
[List of Patents for class 310 subclass 182]  182           Subclass 182 indent level is 4 With short-circuited winding or conductor
[List of Patents for class 310 subclass 183]  183           Subclass 183 indent level is 5 Damper winding
[List of Patents for class 310 subclass 184]  184           Subclass 184 indent level is 4 Plural field windings
[List of Patents for class 310 subclass 185]  185           Subclass 185 indent level is 5 Plural sets of poles
[List of Patents for class 310 subclass 186]  186           Subclass 186 indent level is 5 Interpole, compensating or neutralizing poles
[List of Patents for class 310 subclass 187]  187           Subclass 187 indent level is 5 Slotted or divided pole
[List of Patents for class 310 subclass 188]  188           Subclass 188 indent level is 5 Differentially related
[List of Patents for class 310 subclass 189]  189           Subclass 189 indent level is 4 Variable length or tapped winding
[List of Patents for class 310 subclass 190]  190           Subclass 190 indent level is 4 Magnetic shunts for shifting field flux
[List of Patents for class 310 subclass 191]  191           Subclass 191 indent level is 4 Adjustable magnetic structure
[List of Patents for class 310 subclass 192]  192           Subclass 192 indent level is 4 Nonmagnetic inserts or air gaps
[List of Patents for class 310 subclass 193]  193           Subclass 193 indent level is 4 Nonuniform core cross section
[List of Patents for class 310 subclass 194]  194           Subclass 194 indent level is 4 Coil supports and spools
[List of Patents for class 310 subclass 195]  195           Subclass 195 indent level is 3 Armature or primary
[List of Patents for class 310 subclass 196]  196           Subclass 196 indent level is 4 Corona-prevention
[List of Patents for class 310 subclass 197]  197           Subclass 197 indent level is 4 With short-circuited winding or conductor
[List of Patents for class 310 subclass 198]  198           Subclass 198 indent level is 4 Plural windings
[List of Patents for class 310 subclass 199]  199           Subclass 199 indent level is 5 Combined stationary and rotary
[List of Patents for class 310 subclass 200]  200           Subclass 200 indent level is 4 Variable length or tapped windings
[List of Patents for class 310 subclass 201]  201           Subclass 201 indent level is 4 Bar windings
[List of Patents for class 310 subclass 202]  202           Subclass 202 indent level is 4 Open windings
[List of Patents for class 310 subclass 203]  203           Subclass 203 indent level is 4 Closed windings
[List of Patents for class 310 subclass 204]  204           Subclass 204 indent level is 5 Equalizers
[List of Patents for class 310 subclass 205]  205           Subclass 205 indent level is 5 Multiplex
[List of Patents for class 310 subclass 206]  206           Subclass 206 indent level is 5 Lap
[List of Patents for class 310 subclass 207]  207           Subclass 207 indent level is 5 Wave
[List of Patents for class 310 subclass 208]  208           Subclass 208 indent level is 4 Coils
[List of Patents for class 310 subclass 209]  209           Subclass 209 indent level is 4 Adjustable magnetic structure
[List of Patents for class 310 subclass 210]  210           Subclass 210 indent level is 3 Secondary windings or conductors
[List of Patents for class 310 subclass 211]  211           Subclass 211 indent level is 4 Squirrel cage
[List of Patents for class 310 subclass 212]  212           Subclass 212 indent level is 5 Inherently variable impedance (double squirrel cage)
[List of Patents for class 310 subclass 213]  213           Subclass 213 indent level is 3 Antiparasitic conductors (imbricated)
[List of Patents for class 310 subclass 214]  214           Subclass 214 indent level is 3 Coil retainers or slot closers
[List of Patents for class 310 subclass 215]  215           Subclass 215 indent level is 3 Slot liners
[List of Patents for class 310 subclass 216]  216           Subclass 216 indent level is 3 Core features
[List of Patents for class 310 subclass 217]  217           Subclass 217 indent level is 4 Securing laminae
[List of Patents for class 310 subclass 218]  218           Subclass 218 indent level is 4 Pole assembly and securing means
[List of Patents for class 310 subclass 219]  219           Subclass 219 indent level is 2 Current collectors
[List of Patents for class 310 subclass 220]  220           Subclass 220 indent level is 3 Spark-reduction
[List of Patents for class 310 subclass 221]  221           Subclass 221 indent level is 4 Arc extinguishers
[List of Patents for class 310 subclass 222]  222           Subclass 222 indent level is 4 Spark-neutralizing current
[List of Patents for class 310 subclass 223]  223           Subclass 223 indent level is 4 Flux compensators
[List of Patents for class 310 subclass 224]  224           Subclass 224 indent level is 5 Commutating poles or windings
[List of Patents for class 310 subclass 225]  225           Subclass 225 indent level is 5 Short-circuited coil circuit
[List of Patents for class 310 subclass 226]  226           Subclass 226 indent level is 5 Field-distortion
[List of Patents for class 310 subclass 227]  227           Subclass 227 indent level is 3 With cooling
[List of Patents for class 310 subclass 228]  228           Subclass 228 indent level is 3 With cleaning, lubricating, resurfacing or repairing
[List of Patents for class 310 subclass 229]  229           Subclass 229 indent level is 3 Brush-traversing
[List of Patents for class 310 subclass 230]  230           Subclass 230 indent level is 3 Circumferential brush shifting on reversal
[List of Patents for class 310 subclass 231]  231           Subclass 231 indent level is 3 Rotary structure
[List of Patents for class 310 subclass 232]  232           Subclass 232 indent level is 4 Slip rings
[List of Patents for class 310 subclass 233]  233           Subclass 233 indent level is 4 Commutators
[List of Patents for class 310 subclass 234]  234           Subclass 234 indent level is 5 Winding connectors
[List of Patents for class 310 subclass 235]  235           Subclass 235 indent level is 5 Molded support
[List of Patents for class 310 subclass 236]  236           Subclass 236 indent level is 5 Cylindrical or drum
[List of Patents for class 310 subclass 237]  237           Subclass 237 indent level is 5 Disc
[List of Patents for class 310 subclass 238]  238           Subclass 238 indent level is 3 Fixed structure
[List of Patents for class 310 subclass 239]  239           Subclass 239 indent level is 4 Brush holders or rigging
[List of Patents for class 310 subclass 240]  240           Subclass 240 indent level is 5 Brush-lifting
[List of Patents for class 310 subclass 241]  241           Subclass 241 indent level is 5 Circumferential adjustment
[List of Patents for class 310 subclass 242]  242           Subclass 242 indent level is 5 Brush engagements or guides
[List of Patents for class 310 subclass 243]  243           Subclass 243 indent level is 5 Fluid pressure-operated
[List of Patents for class 310 subclass 244]  244           Subclass 244 indent level is 5 Brush affixed to pivoted arm
[List of Patents for class 310 subclass 245]  245           Subclass 245 indent level is 5 Slidable brush
[List of Patents for class 310 subclass 246]  246           Subclass 246 indent level is 6 Pressure arm
[List of Patents for class 310 subclass 247]  247           Subclass 247 indent level is 6 Axial spring
[List of Patents for class 310 subclass 248]  248           Subclass 248 indent level is 4 Brushes
[List of Patents for class 310 subclass 249]  249           Subclass 249 indent level is 5 With electrical connector
[List of Patents for class 310 subclass 251]  251           Subclass 251 indent level is 5 Structure (e.g., composite material)
[List of Patents for class 310 subclass 252]  252           Subclass 252 indent level is 5 With composition feature
[List of Patents for class 310 subclass 253]  253           Subclass 253 indent level is 6 Carbonaceous
[List of Patents for class 310 subclass 254]  254           Subclass 254 indent level is 2 Stator structure
[List of Patents for class 310 subclass 255]  255           Subclass 255 indent level is 3 For railway-type machines
[List of Patents for class 310 subclass 256]  256           Subclass 256 indent level is 3 Stray field flux loss prevention
[List of Patents for class 310 subclass 257]  257           Subclass 257 indent level is 3 Interfitting or claw-tooth stators
[List of Patents for class 310 subclass 258]  258           Subclass 258 indent level is 3 Frame and core type
[List of Patents for class 310 subclass 259]  259           Subclass 259 indent level is 4 Core assembly
[List of Patents for class 310 subclass 260]  260           Subclass 260 indent level is 4 End turn supports
[List of Patents for class 310 subclass 261]  261           Subclass 261 indent level is 2 Rotor structure
[List of Patents for class 310 subclass 262]  262           Subclass 262 indent level is 3 High-speed rotor type
[List of Patents for class 310 subclass 263]  263           Subclass 263 indent level is 3 Interfitting or claw tooth rotors
[List of Patents for class 310 subclass 264]  264           Subclass 264 indent level is 3 Armatures
[List of Patents for class 310 subclass 265]  265           Subclass 265 indent level is 4 Drum
[List of Patents for class 310 subclass 266]  266           Subclass 266 indent level is 4 Hollow (e.g., double air gap)
[List of Patents for class 310 subclass 267]  267           Subclass 267 indent level is 4 Ring
[List of Patents for class 310 subclass 268]  268           Subclass 268 indent level is 4 Disc
[List of Patents for class 310 subclass 269]  269           Subclass 269 indent level is 4 Salient pole
[List of Patents for class 310 subclass 270]  270           Subclass 270 indent level is 3 End turn supports
[List of Patents for class 310 subclass 271]  271           Subclass 271 indent level is 3 Banding
[List of Patents for class 310 subclass 272]  272           Subclass 272 indent level is 2 Elements
[List of Patents for class 310 subclass 273]  273           Subclass 273 indent level is 2 Miscellaneous
[List of Patents for class 310 subclass 40MM]  40MM           Subclass 40MM indent level is 2 Miniature motors
 
CROSS-REFERENCE ART COLLECTIONS
 
[List of Patents for class 310 subclass 800]  800           PIEZOELECTRIC POLYMERS (E.G., MYLAR, PVDF)
 
FOREIGN ART COLLECTIONS
 
   FOR000          CLASS-RELATED FOREIGN DOCUMENTS
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
   FOR100          PERMANENT MAGNET STATOR (310/154)
   FOR101          PERMANENT MAGNET ROTOR (310/156)
 
DIGESTS
 
[List of Patents for class 310 subclass DIG2]   DIG2           HYSTERESIS ROTORS AND MOTORS
[List of Patents for class 310 subclass DIG3]   DIG3           HALL EFFECT GENERATORS AND CONVERTERS
[List of Patents for class 310 subclass DIG6]   DIG6           PRINTED-CIRCUIT MOTORS AND COMPONENTS

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