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[Search a list of Patent Appplications for class 333]  Class   333WAVE TRANSMISSION LINES AND NETWORKS
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[List of Patents for class 333 subclass 1]  1           PLURAL CHANNEL SYSTEMS
[List of Patents for class 333 subclass 1.1]  1.1           Subclass 1.1 indent level is 1 Nonreciprocal gyromagnetic type (e.g., circulators)
[List of Patents for class 333 subclass 2]  2           Subclass 2 indent level is 1 With automatic control
[List of Patents for class 333 subclass 3]  3           Subclass 3 indent level is 2 Line substitution
[List of Patents for class 333 subclass 4]  4           Subclass 4 indent level is 1 With balanced circuits
[List of Patents for class 333 subclass 5]  5           Subclass 5 indent level is 2 Plural balanced circuits
[List of Patents for class 333 subclass 100]  100           Subclass 100 indent level is 1 Having branched circuits
[List of Patents for class 333 subclass 101]  101           Subclass 101 indent level is 2 Including switching means
[List of Patents for class 333 subclass 102]  102           Subclass 102 indent level is 3 Having gyromagnetic operating means
[List of Patents for class 333 subclass 103]  103           Subclass 103 indent level is 3 Having semiconductor operating means
[List of Patents for class 333 subclass 104]  104           Subclass 104 indent level is 4 Using TEM lines
[List of Patents for class 333 subclass 105]  105           Subclass 105 indent level is 3 Having mechanical switching means
[List of Patents for class 333 subclass 106]  106           Subclass 106 indent level is 4 Using rotary switching means
[List of Patents for class 333 subclass 107]  107           Subclass 107 indent level is 5 For TEM lines
[List of Patents for class 333 subclass 108]  108           Subclass 108 indent level is 4 For waveguide
[List of Patents for class 333 subclass 109]  109           Subclass 109 indent level is 2 Using directional coupler
[List of Patents for class 333 subclass 110]  110           Subclass 110 indent level is 3 For providing frequency separation
[List of Patents for class 333 subclass 111]  111           Subclass 111 indent level is 3 For providing adjustable coupling
[List of Patents for class 333 subclass 112]  112           Subclass 112 indent level is 3 Having lumped parameters or impedances
[List of Patents for class 333 subclass 113]  113           Subclass 113 indent level is 3 Having parallel-guide waveguide
[List of Patents for class 333 subclass 114]  114           Subclass 114 indent level is 3 Having crossed-guide waveguide
[List of Patents for class 333 subclass 115]  115           Subclass 115 indent level is 3 Having TEM lines
[List of Patents for class 333 subclass 116]  116           Subclass 116 indent level is 4 Using stripline
[List of Patents for class 333 subclass 117]  117           Subclass 117 indent level is 2 Including hybrid-type network
[List of Patents for class 333 subclass 118]  118           Subclass 118 indent level is 3 Having lumped parameters or impedances
[List of Patents for class 333 subclass 119]  119           Subclass 119 indent level is 4 Using transformer coil
[List of Patents for class 333 subclass 120]  120           Subclass 120 indent level is 3 Having hybrid ring junction
[List of Patents for class 333 subclass 121]  121           Subclass 121 indent level is 3 Having hybrid-T (e.g., magic-T)
[List of Patents for class 333 subclass 122]  122           Subclass 122 indent level is 4 Using waveguide
[List of Patents for class 333 subclass 123]  123           Subclass 123 indent level is 3 Having coaxial element
[List of Patents for class 333 subclass 124]  124           Subclass 124 indent level is 2 With impedance matching
[List of Patents for class 333 subclass 125]  125           Subclass 125 indent level is 3 Including long line element
[List of Patents for class 333 subclass 126]  126           Subclass 126 indent level is 4 For providing frequency separation
[List of Patents for class 333 subclass 127]  127           Subclass 127 indent level is 4 Using TEM lines
[List of Patents for class 333 subclass 128]  128           Subclass 128 indent level is 5 Stripline
[List of Patents for class 333 subclass 129]  129           Subclass 129 indent level is 3 For providing frequency separation
[List of Patents for class 333 subclass 130]  130           Subclass 130 indent level is 3 Using resistors only
[List of Patents for class 333 subclass 131]  131           Subclass 131 indent level is 3 Using coupled windings
[List of Patents for class 333 subclass 132]  132           Subclass 132 indent level is 2 For providing frequency separation
[List of Patents for class 333 subclass 133]  133           Subclass 133 indent level is 3 Utilizing electromechanical transducer
[List of Patents for class 333 subclass 134]  134           Subclass 134 indent level is 3 Utilizing long line element
[List of Patents for class 333 subclass 135]  135           Subclass 135 indent level is 4 Including waveguide element
[List of Patents for class 333 subclass 136]  136           Subclass 136 indent level is 2 Including long line element
[List of Patents for class 333 subclass 137]  137           Subclass 137 indent level is 3 Using waveguide
[List of Patents for class 333 subclass 12]  12           TRANSMISSION LINE INDUCTIVE OR RADIATION INTERFERENCE REDUCTION SYSTEMS
[List of Patents for class 333 subclass 13]  13           RESONATOR-TYPE BREAKDOWN DISCHARGE SYSTEMS (E.G., T-R OR R-T SYSTEMS)
[List of Patents for class 333 subclass 14]  14           AMPLITUDE COMPRESSION AND EXPANSION SYSTEMS (I.E., COMPANDERS)
[List of Patents for class 333 subclass 15]  15           PILOT LINE-CONTROLLED SYSTEMS
[List of Patents for class 333 subclass 16]  16           PILOT CURRENT-CONTROLLED SYSTEMS
[List of Patents for class 333 subclass 17.1]  17.1           AUTOMATICALLY CONTROLLED SYSTEMS
[List of Patents for class 333 subclass 17.2]  17.2           Subclass 17.2 indent level is 1 Limiting of amplitude
[List of Patents for class 333 subclass 17.3]  17.3           Subclass 17.3 indent level is 1 Impedance matching
[List of Patents for class 333 subclass 18]  18           Subclass 18 indent level is 1 With control of equalizer and/or delay network
[List of Patents for class 333 subclass 19]  19           DIFFERENTIATING OR INTEGRATING SYSTEMS
[List of Patents for class 333 subclass 20]  20           WAVE-SHAPING
[List of Patents for class 333 subclass 21R]  21R           WAVE MODE CONVERTERS
[List of Patents for class 333 subclass 21A]  21A           Subclass 21A indent level is 1 Polarization converters
[List of Patents for class 333 subclass 22R]  22R           DISSIPATING TERMINATIONS FOR LONG LINES
[List of Patents for class 333 subclass 22F]  22F           Subclass 22F indent level is 1 Fluid-cooling
[List of Patents for class 333 subclass 23]  23           ARTIFICIAL LINES
[List of Patents for class 333 subclass 24R]  24R           COUPLING NETWORKS
[List of Patents for class 333 subclass 24.1]  24.1           Subclass 24.1 indent level is 1 Nonreciprocal gyromagnetic type (e.g., directional phase shifters)
[List of Patents for class 333 subclass 24.2]  24.2           Subclass 24.2 indent level is 2 Nonreciprocal attenuators or isolators
[List of Patents for class 333 subclass 24.3]  24.3           Subclass 24.3 indent level is 2 Nonreciprocal polarization rotators
[List of Patents for class 333 subclass 25]  25           Subclass 25 indent level is 1 Balanced to unbalanced circuits
[List of Patents for class 333 subclass 26]  26           Subclass 26 indent level is 2 Having long line elements
[List of Patents for class 333 subclass 27]  27           Subclass 27 indent level is 1 Interlinking long line
[List of Patents for class 333 subclass 28R]  28R           Subclass 28R indent level is 1 Equalizers
[List of Patents for class 333 subclass 28T]  28T           Subclass 28T indent level is 2 Audio tone control
[List of Patents for class 333 subclass 138]  138           Subclass 138 indent level is 1 Delay lines including a lumped parameter
[List of Patents for class 333 subclass 139]  139           Subclass 139 indent level is 2 Variable parameter
[List of Patents for class 333 subclass 140]  140           Subclass 140 indent level is 2 Physical structure
[List of Patents for class 333 subclass 141]  141           Subclass 141 indent level is 1 Delay lines including elastic bulk wave propagation means
[List of Patents for class 333 subclass 142]  142           Subclass 142 indent level is 2 Multipath propagation
[List of Patents for class 333 subclass 143]  143           Subclass 143 indent level is 3 Spurious signal reduction
[List of Patents for class 333 subclass 144]  144           Subclass 144 indent level is 2 Variable delay
[List of Patents for class 333 subclass 145]  145           Subclass 145 indent level is 2 Nonuniform propagation path
[List of Patents for class 333 subclass 146]  146           Subclass 146 indent level is 2 Helical propagation path
[List of Patents for class 333 subclass 147]  147           Subclass 147 indent level is 2 Propagation path has significant chemical or physical properties
[List of Patents for class 333 subclass 148]  148           Subclass 148 indent level is 2 Including magnetostrictive transducers
[List of Patents for class 333 subclass 149]  149           Subclass 149 indent level is 2 Significant transducer structure
[List of Patents for class 333 subclass 150]  150           Subclass 150 indent level is 1 Delay lines including elastic surface wave propagation means
[List of Patents for class 333 subclass 151]  151           Subclass 151 indent level is 2 Spurious signal or mode cancellation means
[List of Patents for class 333 subclass 152]  152           Subclass 152 indent level is 2 Variable delay
[List of Patents for class 333 subclass 153]  153           Subclass 153 indent level is 2 Including discontinuities within propagation means
[List of Patents for class 333 subclass 154]  154           Subclass 154 indent level is 2 Significant transmitting or receiving transducer structure
[List of Patents for class 333 subclass 155]  155           Subclass 155 indent level is 2 Temperature stabilization or compensation
[List of Patents for class 333 subclass 156]  156           Subclass 156 indent level is 1 Delay lines including long line elements
[List of Patents for class 333 subclass 157]  157           Subclass 157 indent level is 2 Waveguide
[List of Patents for class 333 subclass 158]  158           Subclass 158 indent level is 3 Including ferrite means
[List of Patents for class 333 subclass 159]  159           Subclass 159 indent level is 3 Having mechanically movable delay control means
[List of Patents for class 333 subclass 160]  160           Subclass 160 indent level is 2 Coaxial line
[List of Patents for class 333 subclass 161]  161           Subclass 161 indent level is 2 Planar line structure (e.g., stripline)
[List of Patents for class 333 subclass 162]  162           Subclass 162 indent level is 2 Helical line structures and lines developed from a helical structure
[List of Patents for class 333 subclass 163]  163           Subclass 163 indent level is 3 Having plural concentric helices
[List of Patents for class 333 subclass 164]  164           Subclass 164 indent level is 2 Control of delay with semiconductive means
[List of Patents for class 333 subclass 32]  32           Subclass 32 indent level is 1 With impedance matching
[List of Patents for class 333 subclass 33]  33           Subclass 33 indent level is 2 Having long line elements
[List of Patents for class 333 subclass 34]  34           Subclass 34 indent level is 3 Tapered
[List of Patents for class 333 subclass 35]  35           Subclass 35 indent level is 3 Quarter-wave transformer type
[List of Patents for class 333 subclass 165]  165           Subclass 165 indent level is 1 Frequency or time domain filters and delay lines utilizing charge transfer devices
[List of Patents for class 333 subclass 166]  166           Subclass 166 indent level is 1 Time domain filters
[List of Patents for class 333 subclass 167]  167           Subclass 167 indent level is 1 Frequency domain filters utilizing only lumped parameters
[List of Patents for class 333 subclass 168]  168           Subclass 168 indent level is 2 Including recurrent sections
[List of Patents for class 333 subclass 169]  169           Subclass 169 indent level is 2 Wheatstone or lattice type
[List of Patents for class 333 subclass 170]  170           Subclass 170 indent level is 2 Bridge type
[List of Patents for class 333 subclass 171]  171           Subclass 171 indent level is 3 With variable response
[List of Patents for class 333 subclass 172]  172           Subclass 172 indent level is 2 RC or RL type
[List of Patents for class 333 subclass 173]  173           Subclass 173 indent level is 2 Synchronous filters
[List of Patents for class 333 subclass 174]  174           Subclass 174 indent level is 2 With variable response
[List of Patents for class 333 subclass 175]  175           Subclass 175 indent level is 2 Resonant, discrete frequency selective type
[List of Patents for class 333 subclass 176]  176           Subclass 176 indent level is 3 Including specific frequency rejection means
[List of Patents for class 333 subclass 177]  177           Subclass 177 indent level is 2 Transformer coupled
[List of Patents for class 333 subclass 178]  178           Subclass 178 indent level is 3 Including bandwidth adjusting, shaping, or stabilization means
[List of Patents for class 333 subclass 179]  179           Subclass 179 indent level is 3 With permeability tuning means
[List of Patents for class 333 subclass 180]  180           Subclass 180 indent level is 3 With variable coupling means
[List of Patents for class 333 subclass 181]  181           Subclass 181 indent level is 2 Smoothing type (e.g., direct current power supply filters or decoupling filters)
[List of Patents for class 333 subclass 182]  182           Subclass 182 indent level is 3 Feedthrough type
[List of Patents for class 333 subclass 183]  183           Subclass 183 indent level is 4 Resiliently mounted components
[List of Patents for class 333 subclass 184]  184           Subclass 184 indent level is 3 Monolithic structure
[List of Patents for class 333 subclass 185]  185           Subclass 185 indent level is 2 Having significant physical structure
[List of Patents for class 333 subclass 186]  186           Subclass 186 indent level is 1 Electromechanical filter
[List of Patents for class 333 subclass 187]  187           Subclass 187 indent level is 2 Using bulk mode piezoelectric vibrator
[List of Patents for class 333 subclass 188]  188           Subclass 188 indent level is 3 With means for varying response
[List of Patents for class 333 subclass 189]  189           Subclass 189 indent level is 3 Plural coupled vibrators
[List of Patents for class 333 subclass 190]  190           Subclass 190 indent level is 4 Lattice structure
[List of Patents for class 333 subclass 191]  191           Subclass 191 indent level is 4 Monolithic structure
[List of Patents for class 333 subclass 192]  192           Subclass 192 indent level is 5 With electrical coupling
[List of Patents for class 333 subclass 193]  193           Subclass 193 indent level is 2 Using surface acoustic waves
[List of Patents for class 333 subclass 194]  194           Subclass 194 indent level is 3 Including spurious signal prevention or reduction means
[List of Patents for class 333 subclass 195]  195           Subclass 195 indent level is 3 With wave-modifying means (e.g., reflectors, resonators, diffractors, multistrip couplers, etc.)
[List of Patents for class 333 subclass 196]  196           Subclass 196 indent level is 3 With response weighting means
[List of Patents for class 333 subclass 197]  197           Subclass 197 indent level is 2 Plural mechanically coupled bar, plate, or rod-type resonating means
[List of Patents for class 333 subclass 198]  198           Subclass 198 indent level is 3 Plural interresonator coupling paths
[List of Patents for class 333 subclass 199]  199           Subclass 199 indent level is 3 Plural mechanically coupled disk resonators
[List of Patents for class 333 subclass 200]  200           Subclass 200 indent level is 2 Reed- or fork-type resonators
[List of Patents for class 333 subclass 201]  201           Subclass 201 indent level is 2 Magnetostrictive wave transmission path
[List of Patents for class 333 subclass 202]  202           Subclass 202 indent level is 1 Wave filters including long line elements
[List of Patents for class 333 subclass 203]  203           Subclass 203 indent level is 2 Digital structure
[List of Patents for class 333 subclass 204]  204           Subclass 204 indent level is 2 Stripline or microstrip
[List of Patents for class 333 subclass 205]  205           Subclass 205 indent level is 3 Tunable
[List of Patents for class 333 subclass 206]  206           Subclass 206 indent level is 2 Coaxial
[List of Patents for class 333 subclass 207]  207           Subclass 207 indent level is 3 Tunable
[List of Patents for class 333 subclass 208]  208           Subclass 208 indent level is 2 Waveguide
[List of Patents for class 333 subclass 209]  209           Subclass 209 indent level is 3 Tunable
[List of Patents for class 333 subclass 210]  210           Subclass 210 indent level is 3 Including evanescent guide sections
[List of Patents for class 333 subclass 211]  211           Subclass 211 indent level is 3 Including frequency selective absorbing means
[List of Patents for class 333 subclass 212]  212           Subclass 212 indent level is 3 Including directly coupled resonant sections
[List of Patents for class 333 subclass 24C]  24C           Subclass 24C indent level is 1 Capacity coupling
[List of Patents for class 333 subclass 213]  213           NEGATIVE RESISTANCE OR REACTANCE NETWORKS OF THE ACTIVE TYPE
[List of Patents for class 333 subclass 214]  214           Subclass 214 indent level is 1 Simulating specific type of reactance
[List of Patents for class 333 subclass 215]  215           Subclass 215 indent level is 2 Using gyrator
[List of Patents for class 333 subclass 216]  216           Subclass 216 indent level is 1 Having negative impedance
[List of Patents for class 333 subclass 217]  217           Subclass 217 indent level is 2 Providing negative resistance
[List of Patents for class 333 subclass 81R]  81R           ATTENUATORS
[List of Patents for class 333 subclass 81A]  81A           Subclass 81A indent level is 1 Coaxial or microstrip
[List of Patents for class 333 subclass 81B]  81B           Subclass 81B indent level is 1 Waveguide type
[List of Patents for class 333 subclass 218]  218           FREQUENCY MULTIPLIERS
[List of Patents for class 333 subclass 219]  219           RESONATORS (DISTRIBUTED PARAMETER TYPE)
[List of Patents for class 333 subclass 219.1]  219.1           Subclass 219.1 indent level is 1 Dielectric type
[List of Patents for class 333 subclass 219.2]  219.2           Subclass 219.2 indent level is 1 Magnetic type
[List of Patents for class 333 subclass 220]  220           Subclass 220 indent level is 1 Open wire or Lecher line
[List of Patents for class 333 subclass 221]  221           Subclass 221 indent level is 2 With tuning
[List of Patents for class 333 subclass 222]  222           Subclass 222 indent level is 1 Coaxial or shielded
[List of Patents for class 333 subclass 223]  223           Subclass 223 indent level is 2 With tuning
[List of Patents for class 333 subclass 224]  224           Subclass 224 indent level is 3 Having movable element
[List of Patents for class 333 subclass 225]  225           Subclass 225 indent level is 4 Using movable shorting means
[List of Patents for class 333 subclass 226]  226           Subclass 226 indent level is 4 Using plunger, rod, or piston
[List of Patents for class 333 subclass 227]  227           Subclass 227 indent level is 1 Cavity resonator
[List of Patents for class 333 subclass 228]  228           Subclass 228 indent level is 2 With mode suppressor
[List of Patents for class 333 subclass 229]  229           Subclass 229 indent level is 2 With temperature compensation
[List of Patents for class 333 subclass 230]  230           Subclass 230 indent level is 2 With coupling
[List of Patents for class 333 subclass 231]  231           Subclass 231 indent level is 2 With tuning
[List of Patents for class 333 subclass 232]  232           Subclass 232 indent level is 3 Having movable element
[List of Patents for class 333 subclass 233]  233           Subclass 233 indent level is 4 Using movable wall
[List of Patents for class 333 subclass 234]  234           Subclass 234 indent level is 1 Temperature compensated
[List of Patents for class 333 subclass 235]  235           Subclass 235 indent level is 1 With tuning
[List of Patents for class 333 subclass 236]  236           LONG LINES
[List of Patents for class 333 subclass 237]  237           Subclass 237 indent level is 1 Leaky lines
[List of Patents for class 333 subclass 238]  238           Subclass 238 indent level is 1 Strip type
[List of Patents for class 333 subclass 239]  239           Subclass 239 indent level is 1 Waveguide type
[List of Patents for class 333 subclass 240]  240           Subclass 240 indent level is 2 Surface wave
[List of Patents for class 333 subclass 241]  241           Subclass 241 indent level is 2 Flexible
[List of Patents for class 333 subclass 242]  242           Subclass 242 indent level is 2 Circular or helical structure
[List of Patents for class 333 subclass 243]  243           Subclass 243 indent level is 1 Shielded type
[List of Patents for class 333 subclass 244]  244           Subclass 244 indent level is 2 Including spaced, electrically compensated, internal support means
[List of Patents for class 333 subclass 245]  245           LONG LINE ELEMENTS AND COMPONENTS
[List of Patents for class 333 subclass 246]  246           Subclass 246 indent level is 1 Strip type
[List of Patents for class 333 subclass 247]  247           Subclass 247 indent level is 2 Semiconductor mounts
[List of Patents for class 333 subclass 248]  248           Subclass 248 indent level is 1 Waveguide elements and components
[List of Patents for class 333 subclass 249]  249           Subclass 249 indent level is 2 Bend
[List of Patents for class 333 subclass 250]  250           Subclass 250 indent level is 2 Active element mounting
[List of Patents for class 333 subclass 251]  251           Subclass 251 indent level is 2 Mode suppressor
[List of Patents for class 333 subclass 252]  252           Subclass 252 indent level is 2 Window
[List of Patents for class 333 subclass 253]  253           Subclass 253 indent level is 2 Including variable impedance
[List of Patents for class 333 subclass 254]  254           Subclass 254 indent level is 2 Connectors and interconnections
[List of Patents for class 333 subclass 255]  255           Subclass 255 indent level is 3 Quick disconnect
[List of Patents for class 333 subclass 256]  256           Subclass 256 indent level is 3 Movable
[List of Patents for class 333 subclass 257]  257           Subclass 257 indent level is 4 In line
[List of Patents for class 333 subclass 258]  258           Subclass 258 indent level is 2 Switch
[List of Patents for class 333 subclass 259]  259           Subclass 259 indent level is 3 Mechanically movable
[List of Patents for class 333 subclass 260]  260           Subclass 260 indent level is 1 Connectors and interconnections
[List of Patents for class 333 subclass 261]  261           Subclass 261 indent level is 2 Rotary coupling
[List of Patents for class 333 subclass 262]  262           Subclass 262 indent level is 1 Switch
[List of Patents for class 333 subclass 263]  263           Subclass 263 indent level is 1 Including variable impedance
[List of Patents for class 333 subclass 99R]  99R           MISCELLANEOUS
[List of Patents for class 333 subclass 99S]  99S           Subclass 99S indent level is 1 Superconductive
[List of Patents for class 333 subclass 99PL]  99PL           Subclass 99PL indent level is 1 Plasma
[List of Patents for class 333 subclass 99MP]  99MP           Subclass 99MP indent level is 1 Multipactor applications
 
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