| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 02/17/1987 | US4644255 Free wheeling diode control circuit for motor speed control with reverse voltage protection |
| 02/12/1987 | WO1987000984A1 Surge voltage protection arrangements |
| 02/05/1987 | DE3526177A1 Rberspannungs-schutzschaltung Rberspannungs-protection circuit |
| 02/04/1987 | EP0210495A2 Free-wheel circuit |
| 02/04/1987 | EP0210192A1 Installation for the filtering and transitory stabilization of mains voltage. |
| 01/31/1987 | CN86103003A Protection and indication to current transducer |
| 01/29/1987 | WO1987000700A1 Over-voltage protection circuit |
| 01/20/1987 | US4638396 Intrinsically safe battery circuit |
| 01/20/1987 | US4638395 Protector for series-excited parallel-loaded resonant circuit |
| 01/20/1987 | EP0148911A4 Telecommunication system surge protection device. |
| 01/13/1987 | US4636910 Varistor overvoltage protection system with temperature systems |
| 01/13/1987 | CA1216622A1 Line protector for a communications circuit |
| 01/08/1987 | DE3523369A1 Four-pole network for current limiting |
| 01/06/1987 | US4635160 Tri-plane transient voltage suppression device assembly |
| 01/06/1987 | US4635159 Transient voltage suppression device assembly |
| 01/06/1987 | US4635158 Filtering transient voltage suppression device assembly |
| 01/06/1987 | US4634936 Intrinsically safe miner's lamp |
| 12/17/1986 | EP0205149A1 Device for protecting an electrical power line against high transient overvoltages |
| 12/17/1986 | EP0204930A1 Protective device for an electromagnetic load |
| 12/17/1986 | EP0204723A1 Auto-reset circuit breaker. |
| 12/16/1986 | US4630163 Electrical circuit |
| 12/16/1986 | US4630162 ESD input protection circuit |
| 12/09/1986 | US4628431 Power supply on/off switching with inrush limiting |
| 12/09/1986 | US4628398 Surge voltage protection arrangements |
| 12/09/1986 | US4628394 For AV power lines |
| 12/09/1986 | CA1215142A1 Cmos circuit overvoltage protection |
| 12/03/1986 | EP0203366A1 Control device for electromagnetic commutators |
| 12/03/1986 | EP0203138A1 Protective circuit for a hacker type dc converter |
| 11/26/1986 | CN86203014U Plastics sealed electrical discharger |
| 11/25/1986 | US4625255 Interactive overvoltage protection device |
| 11/25/1986 | US4625254 Voltage trigger means for a series capacitor protector |
| 11/12/1986 | CA1213937A Secondary arrester for compact polyphase protection |
| 11/06/1986 | WO1986006558A1 Arrangement for protection of delicate electric installations against lightning effects and devices provided therefor |
| 11/05/1986 | CN86102390A Control arrangements for electromagnetic switches |
| 11/04/1986 | US4621313 Soft-start capacitor discharge circuit |
| 10/29/1986 | EP0199420A1 Electronic contact with associated power limiting means |
| 10/29/1986 | EP0198868A1 Electrical components incorporating a temperature responsive device. |
| 10/23/1986 | WO1986006223A1 Electronic fuse |
| 10/22/1986 | EP0198624A1 Overvoltage protection device |
| 10/22/1986 | EP0198314A1 Protective choke for a controlled rectifier |
| 10/21/1986 | US4618743 For use with a telephone circuit |
| 10/21/1986 | CA1212990A1 Intrinsically safe miner's lamp |
| 10/09/1986 | WO1986005926A1 Method and circuit for providing adjustable control of short circuit current through a semiconductor device |
| 10/08/1986 | EP0196891A1 Circuit protection device |
| 10/07/1986 | US4616286 Power line filter |
| 09/12/1986 | WO1986005330A1 Circuit arrangement for simultaneous connection of several users to a supply network |
| 09/10/1986 | EP0193989A2 Overvoltage protection circuit for a broadband line system |
| 09/03/1986 | EP0192801A1 Overvoltage protection device |
| 09/02/1986 | US4609829 Apparatus for assisting in the connection and disconnection of a board with an energized circuit |
| 08/12/1986 | US4605981 Industrial or domestic overvoltage protective device |
| 08/12/1986 | CA1209640A1 Surge protector circuit board mounted on a grounded metal plate |
| 08/12/1986 | CA1209637A1 Device for eliminating static electricity |
| 07/31/1986 | WO1986004464A1 Installation for the filtering and transitory stabilization of network voltage |
| 07/30/1986 | EP0189340A1 Commutation circuit with a fast diode, incorporating means for damping the oscillations on opening it |
| 07/30/1986 | EP0189037A1 Static VAR compensator |
| 07/23/1986 | EP0187983A1 Filter ciruit including Zn0 overvoltage arresters |
| 07/22/1986 | US4602308 Circuit for suppressing transients occurring in either common or transverse modes |
| 07/22/1986 | CA1208286A1 Static var generator having a thyristor circuit arrangement providing reduced losses |
| 07/15/1986 | US4600960 Four terminal pulse suppressor |
| 07/15/1986 | CA1207873A1 Cold start surge current limiting system for a hydrazine thruster augmentation heater |
| 07/09/1986 | EP0186939A2 Circuit arrangements |
| 07/09/1986 | EP0186873A2 Protector circuit |
| 07/08/1986 | CA1207466A1 Ptc circuit protection device |
| 07/02/1986 | EP0185777A1 Safety circuit system for overvoltage protection of multi-wire lines |
| 06/10/1986 | US4594632 Overvoltage protection circuit for synchronous machinerotor |
| 06/10/1986 | US4594630 Emission controlled current limiter for use in electric power transmission and distribution |
| 06/05/1986 | WO1986003350A1 Power systems |
| 06/05/1986 | WO1986003349A1 Protective circuit for a hacker type dc converter |
| 06/05/1986 | EP0141819A4 Short-protected buffer circuit. |
| 06/04/1986 | EP0183044A1 Device for limiting the changing rate of an alternating current delivered by a superconducting generator |
| 06/04/1986 | EP0183015A1 Current-limiting device |
| 06/03/1986 | US4593338 Constant-voltage power supply circuit |
| 05/27/1986 | US4591941 Double insulated protected system providing electrical safety and instrumentation quality power grounding |
| 05/13/1986 | US4589049 Protection circuit for integrated circuits |
| 05/13/1986 | US4588933 Brushless direct current motor control system with protection circuitry |
| 05/09/1986 | WO1986002786A1 Auto-reset circuit breaker |
| 05/09/1986 | WO1986002773A1 Electrical components incorporating a temperature responsive device |
| 05/06/1986 | US4587589 Voltage limiting feed-through unit |
| 05/06/1986 | US4587588 Power line transient surge suppressor |
| 04/30/1986 | EP0179194A1 Device for protecting an electronic anti-skid system against overvoltage |
| 04/29/1986 | US4586104 Passive overvoltage protection devices, especially for protection of computer equipment connected to data lines |
| 04/29/1986 | US4585905 Overvoltage protection circuit for SLIC |
| 04/29/1986 | CA1203857A1 Intrinsically safe signal coupler |
| 04/23/1986 | EP0178852A1 Electronic ballast circuit for fluorescent lamps |
| 04/22/1986 | US4584622 For AC power lines |
| 04/08/1986 | CA1203007A1 Ground voltage suppression |
| 04/02/1986 | EP0176440A1 Protection device for a transmitter output |
| 04/02/1986 | EP0175843A2 Protective switching device against undervoltage in a motor vehicle electric circuit |
| 04/01/1986 | US4580187 A-C current limiting device |
| 03/25/1986 | US4578694 Inverter circuit provided with gate protection |
| 03/18/1986 | US4577267 Adapter for field signals of computers, microprocessor systems or the like digital electronic circuits |
| 03/05/1986 | EP0173165A2 Electric installation system with overvoltage protection |
| 03/05/1986 | EP0173108A2 Electrostatic discharge protection circuit with variable limiting threshold for MOS device |
| 03/05/1986 | EP0173018A1 Electrical installation system with overvoltage protection |
| 03/05/1986 | EP0173017A1 Electrical installation system with overvoltage protection |
| 03/05/1986 | EP0173016A2 Electric installation system with overvoltage arresters |
| 02/26/1986 | EP0104193B1 Insulated device for the transmission of binary information through an electric line |
| 02/26/1986 | CN85200941U Anti-thunder manostat |
| 02/25/1986 | US4573113 Surge protection system for a d-c power supply during power-up |
| 02/25/1986 | US4573099 CMOS Circuit overvoltage protection |