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| Class 361 | ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES |
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![[List of Pre Grant Publications for class 361 subclass 1]](../as.gif) | ![[List of Patents for class 361 subclass 1]](../ps.gif) | 1 | SAFETY AND PROTECTION OF SYSTEMS AND DEVICES |
| | 2 |  Arc suppression at switching point (i.e., includes solid-state switch) |
| | 3 |  Synchronized or sequential opening or closing |
| | 4 |  Counter electromotive force |
| | 5 | With current sensitive control circuit |
| | 6 | With voltage sensitive control circuit |
| | 7 | With combined voltage and current sensitive control circuit |
| | 8 | Shunt bypass |
| | 10 | By inserting series impedance |
| | 13 | Shunt bypass of main switch |
| | 14 | Arc blowout for main breaker contact (e.g., electromagnet, gas, fluid, etc.) |
| | 15 | Capacitor protection |
| | 18 | Voltage regulator protective circuits |
| | 19 | Superconductor protective circuits |
| | 20 | Generator protective circuits |
| | 22 | Compressor protective circuits |
| | 23 | Motor protective condition responsive circuits |
| | 24 | Current and temperature |
| | 25 | Motor temperature |
| | 28 | With time delay |
| | 30 | Current and voltage |
| | 31 | Current |
| | 33 | Voltage |
| | 35 | Transformer protection |
| | 36 | With differential sensing means |
| | 37 | With temperature or pressure sensing means |
| | 38 | Transformer with structurally combined protective device |
| | 42 | Ground fault protection |
| | 43 | Fault suppression (e.g., Petersen coil) |
| | 44 | With differential sensing in a polyphase system |
| | 45 | With differential sensing in a single phase system |
| | 47 | In a polyphase system |
| | 49 | In a single phase system |
| | 51 | Overspeed responsive |
| | 52 | By regulating source or load (e.g., generator field killed) |
| | 54 | Load shunting by fault responsive means (e.g., crowbar circuit) |
| | 58 | Impedance insertion |
| | 59 | Circuit automatically reconnected only after the fault is cleared |
| | 60 | With differential voltage comparison across the circuit interrupting means |
| | 61 | Reclosing of the nonfaulty phases of a polyphase system |
| | 62 | Feeder protection in distribution networks |
| | 67 | Series connected sections with faulty section disconnect |
| | 71 | Automatic reclosing |
| | 76 | With phase sequence network analyzer |
| | 77 | Reverse phase responsive |
| | 78 | With specific quantity comparison means |
| | 79 | Voltage and current |
| | 80 | Distance relaying |
| | 82 | Reverse energy responsive (e.g., directional) |
| | 83 | With time delay protective means |
| | 84 | Reverse energy responsive (e.g., directional) |
| | 85 | Phase |
| | 86 | Voltage |
| | 87 | Current |
| | 88 | With specific voltage responsive fault sensor |
| | 89 | With time delay protective means |
| | 90 | Overvoltage and undervoltage |
| | 91.1 | Overvoltage |
| | 91.2 | With resistor sensor |
| | 91.3 | Including time delay |
| | 91.4 | Including photo-coupling (e.g., photo-receptors, photo-emitters, etc.) |
| | 91.5 | Including P-N junction (e.g., a diode, a zener diode, or transistor) |
| | 91.7 | Protection by snubber circuitry |
| | 91.8 | Protection for thyristor |
| | 92 | Undervoltage |
| | 93.1 | With specific current responsive fault sensor |
| | 93.2 | Digital control |
| | 93.3 | Rating plug |
| | 93.4 | Automatic reset after trip |
| | 93.5 | Transformer and resistor sensors |
| | 93.6 | Transformer sensor (i.e., toroidal current sensor) |
| | 93.7 | Resistor sensor |
| | 93.8 | Thermal sensing |
| | 93.9 | Current limiting |
| | 94 | With time delay protective means |
| | 95 | With instantaneous override |
| | 97 | With multiple timing characteristics |
| | 98 | Transistorized |
| | 99 | Combined thermal-electromagnetic relay |
| | 100 | With semiconductor circuit interrupter (e.g., SCR, Triac, Tunnel Diode, etc.) |
| | 102 | With mechanical circuit breaker |
| | 103 | Circuit interruption by thermal sensing |
| | 107 | With specific transmission line (e.g., guarded) |
| | 109 | Too large fault makes breaker inoperative |
| | 110 | Transient nonresponsive (e.g., ignores surge on transmission line) |
| | 111 | Transient responsive |
| | 112 | With space discharge means |
| | 113 | With tuned circuit |
| | 114 | With manual or automatic opening of breaker and manual reclose |
| | 115 | With specific circuit breaker or control structure |
| | 117 | High voltage dissipation (e.g., lightning arrester) |
| | 118 | Surge prevention (e.g., choke coil) |
| | 120 | Vacuum or gas filled space discharge |
| | 121 | Fluid (e.g., mercury, quenching) |
| | 124 | Thermal (e.g., fusible, bimetallic) |
| | 126 | Current limiting material in discharge path |
| | 129 | Plural gaps with common electrode |
| | 130 | Plural gaps serially connected |
| | 131 | Combined (e.g., with disconnect switch) |
| | 133 | With magnetic means (e.g., electromagnet) |
| | 137 | Horn gap |
| | 139 | CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES |
| | 140 | Including compensation for thermal change of electromagnetic device |
| | 141 | Including superconductivity |
| | 142 | Including housing |
| | 143 | Systems for magnetizing, demagnetizing, or controlling the magnetic field |
| | 144 | For lifting or holding |
| | 146 | Systems for magnetic field stabilization or compensation |
| | 147 | With permanent magnet |
| | 149 | Demagnetizing |
| | 152 | Including particular drive circuit |
| | 157 | Including instrument (e.g., meter-relay) |
| | 159 | Including means for using, or compensating for, the induced EMF of the electromagnetic device |
| | 160 | For relays or solenoids |
| | 161 | Including thermal device |
| | 166 | Plural relays or solenoids sequentially operated |
| | 170 | Condition responsive (e.g., external circuit condition) |
| | 171 | Code responsive |
| | 173 | Light |
| | 178 | Fluid (e.g., liquid level, humidity) |
| | 179 | Proximity or contact |
| | 182 | Frequency (e.g., audio, radio) |
| | 185 | Phase |
| | 186 | Pulse |
| | 187 | Voltage or current level discriminators |
| | 188 | Variable impedance |
| | 189 | Plural switches in control circuit |
| | 191 | Plural relay or solenoid load selectively operated |
| | 194 | Holding means |
| | 195 | Time delay |
| | 196 | Including semiconductor device connected to timing element |
| | 199 | Including electric discharge device |
| | 202 | Electromechanical delay means |
| | 203 | With oscillator |
| | 204 | With magnetic amplifier or saturable reactor |
| | 205 | Threshold device (e.g., SCR, thyratron) |
| | 206 | Particular relay or solenoid |
| | 211 | CONTROL CIRCUITS FOR NONELECTROMAGNETIC TYPE RELAY (E.G., THERMAL RELAYS) |
| | 212 | DISCHARGING OR PREVENTING ACCUMULATION OF ELECTRIC CHARGE (E.G., STATIC ELECTRICITY) |
| | 213 | By charged gas irradiation |
| | 214 | Of paper or paper handling machine |
| | 215 | Of storage or hazardous area or fluid handling |
| | 216 | Structurally combined with building or vehicle |
| | 220 | Specific conduction means or dissipator |
| | 225 | ELECTRIC CHARGING OF OBJECTS OR MATERIALS |
| | 230 | ELECTRIC CHARGE GENERATING OR CONDUCTING MEANS (E.G., CHARGING OF GASES) |
| | 231 | Modification of environmental electric charge |
| | 232 | For application to living beings |
| | 233 | Use of forces of electric charge or field |
| | 235 | With specific power supply |
| | 236 | ELECTRICAL SPEED SIGNAL PROCESSING SYSTEMS |
| | 237 | With centrifugal weight means |
| | 238 | Antislip detection and circuitry |
| | 239 | With speed analog electrical signal |
| | 240 | Including frequency generators |
| | 241 | Two position (e.g., on-off) |
| | 242 | With speed comparison |
| | 243 | Synchronization of shafts |
| | 245 | POLARITY REVERSING |
| | 247 | IGNITING SYSTEMS |
| | 248 | For explosive devices |
| | 249 | With sequential firing by electronic switching |
| | 250 | With sequential firing by mechanical switching |
| | 251 | With capacitor discharging into explosive device |
| | 252 | With electromechanical power source |
| | 253 | For electric spark ignition |
| | 254 | With electromagnet control means |
| | 256 | With capacitor discharging into sparking transformer |
| | 257 | With capacitor discharge into spark gap |
| | 258 | With electromechanical generator |
| | 261 | With mechanical arrangement for spark electrode make-break |
| | 262 | With one spark electrode which is hand held |
| | 263 | With spark coil or transformer |
| | 264 | For incandescent ignition |
| | 267 | DEMAGNETIZING SYSTEMS AND PROCESSES |
| | 268 | TRANSFORMERS AND INDUCTORS WITH INTEGRAL SWITCH, CAPACITOR, OR LOCK (E.G., IGNITION COIL) |
| | 271 | ELECTROSTATIC CAPACITORS |
| | 272 | With protection or compensating means |
| | 276 | Cryogenic |
| | 277 | Variable |
| | 278 | With significant electrode or terminal feature |
| | 279 | Gas or vacuum dielectric |
| | 280 | Responsive to external condition |
| | 287 | Mechanically variable |
| | 288 | Push button |
| | 289 | Motor driven |
| | 290 | By varying distance between electrodes |
| | 292 | By varying effective area of electrode |
| | 293 |  Disk trimmer |
| | 294 | Direct travel piston type |
| | 295 | Piston trimmer |
| | 296 | Sliding plates |
| | 297 | Spiral or helical plates |
| | 298.1 | Rotary plates |
| | 299.1 |  Plural capacitors |
| | 299.2 |  Details of electrical connecting means (e.g., terminal or lead) |
| | 299.3 | Details of mounting means |
| | 299.4 | With adjustment means |
| | 299.5 | Details of insulator feature |
| | 298.2 | Details of plate feature |
| | 298.3 | Details of dielectric |
| | 298.4 | Details of electrical connecting means (e.g., terminal or lead) |
| | 298.5 | With adjustment means |
| | 300 | With controlling or indicating means |
| | 301.1 | Fixed capacitor |
| | 301.2 | Special type (e.g., "bypass" type) |
| | 301.3 | Encapsulated |
| | 301.4 | Stack |
| | 301.5 | Wound |
| | 302 | Feed through |
| | 303 | Significant electrode feature |
| | 306.1 | Details of electrical connection means (e.g., terminal or lead) |
| | 306.2 | For decoupling type capacitor |
| | 306.3 | For multilayer capacitor |
| | 307 | Lead extends into body of capacitor |
| | 308.1 | Lead attached to edge of capacitor |
| | 310 | Lead extends around at least a portion of capacitor |
| | 311 | Solid dielectric |
| | 312 | Plural dielectrics |
| | 313 | Layered |
| | 314 | Impregnated |
| | 315 | With specific impregnant |
| | 319 | With stabilizer or modifying substance |
| | 320 | Ceramic and glass |
| | 321.1 | Ceramic, glass, or oxide particles |
| | 321.2 | With multilayer ceramic capacitor |
| | 321.5 | Composition |
| | 321.6 | With tubular capacitor |
| | 322 | Oxide film |
| | 323 | Plastic |
| | 324 | Fibrous or fabric (e.g., paper, etc.) |
| | 325 | Mica |
| | 326 | Vacuum or gas dielectric |
| | 327 | Liquid dielectric |
| | 328 | Multiple capacitors |
| | 600 | HOUSING OR MOUNTING ASSEMBLIES WITH DIVERSE ELECTRICAL COMPONENTS |
| | 601 | For electrical power distribution systems and devices |
| | 602 | Distribution station (i.e., substation) |
| | 605 | Electrical switchgear |
| | 606 | Truck type |
| | 608 | Drawer type |
| | 610 | Pivoted support means |
| | 611 | Busbar arrangements |
| | 615 | With interlock |
| | 618 | Gas insulated |
| | 619 | Having gas circuit breaker |
| | 620 | Having transformer |
| | 621 | Having isolating switch |
| | 622 | Distribution or control unit |
| | 627 | Distribution or control panel board |
| | 628 | With switches and fuses |
| | 630 | With fuses |
| | 631 | With switches |
| | 633 | Plugboards |
| | 634 | With circuit breaker arrangements |
| | 637 | Busbar or conductor arrangements |
| | 641 | Electrical service distribution box |
| | 642 | With fuse |
| | 643 | With switch |
| | 644 | Including panel board |
| | 645 | Adjustable panel |
| | 646 | With fuse support means |
| | 647 | With switch support means |
| | 648 | Busbar arrangements |
| | 651 | Panel board corner mountings |
| | 652 | Circuit breaker supporting arrangements |
| | 657 | With removable member |
| | 658 | With plastic enclosure or support |
| | 659 | For electricity service meter |
| | 660 | Plural |
| | 661 | With meter circuit controller |
| | 664 | Meter mounting arrangements |
| | 668 | Meter terminal and connector arrangements |
| | 672 | Tamper resistant |
| | 673 | Circuit breaker supporting means (i.e., attaching, mounting, etc.) |
| | 674 | For ballast elements |
| | 675 | Bus duct |
| | 676 | With cooling means |
| | 679.01 | For electronic systems and devices |
| | 679.02 | Computer related housing or mounting assemblies |
| | 679.03 | Wearable computer structure |
| | 679.04 | Plural independently movable displays |
| | 679.05 | Telescoping display |
| | 679.06 | Display rotatable about plural axes |
| | 679.08 | For computer keyboard |
| | 679.09 | Portable computer type |
| | 679.18 | Integrated pointing device; e.g., trackball, joystick, etc. |
| | 679.19 | Hand, wrist or palm rest |
| | 679.2 | Adjustable |
| | 679.21 | For computer display |
| | 679.22 | Desktop type |
| | 679.23 | With support for multimedia device; e.g., speaker, camera, microphone |
| | 679.24 | With support for light protective shield |
| | 679.25 | With document holder |
| | 679.26 | Portable computer type |
| | 679.31 | For computer memory unit |
| | 679.4 | For input/output device |
| | 679.46 | With cooling means |
| | 679.47 | Plural diverse cooling means integrated into one system; e.g., fan with heat pipe or heat sink, etc. |
| | 679.48 | Fan |
| | 679.52 | Heat pipe |
| | 679.53 | Liquid |
| | 679.54 | Thermal conduction; e.g., heat sink |
| | 679.55 | For portable computer |
| | 679.57 | With security means (i.e., locking structure) |
| | 679.58 | With latching mechanism |
| | 679.59 | Handle/foot support |
| | 679.6 | For desktop computer |
| | 679.61 | CRT type |
| | 688 | With cooling means |
