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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