| Patents for H02H 5 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (5,568) |
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| 10/09/1990 | US4962372 Self limiting cable supervisory device |
| 09/26/1990 | CN2062911U Fireproof alarm controller for tri-phase low-voltage power |
| 09/18/1990 | USRE33343 Crack detector for electrically conductive windshield |
| 09/13/1990 | DE3907880A1 Circuit arrangement for outputting binary signals |
| 09/12/1990 | CN2062125U Device for protecting from electricity illegal use |
| 09/05/1990 | EP0164407B1 Shock hazard protection system |
| 09/04/1990 | US4954922 Protective system for portable electrically powered apparatus |
| 08/29/1990 | EP0384900A2 Overheating protection triggering circuit having a narrow range of variation of the threshold |
| 08/29/1990 | EP0384881A1 Programmable safety electrical socket controller |
| 08/23/1990 | WO1990009694A1 Improvements in or related to circuit breakers used with electrical apparatus |
| 08/23/1990 | WO1990009693A1 Improved safety device for an electrical appliance |
| 08/22/1990 | CN1044876A Improved safety device for electrical appliance |
| 08/21/1990 | US4951169 Safety device for an electrical appliance |
| 08/09/1990 | WO1990008947A1 Apparatus for detecting abnormal temperature of regenerative resistor |
| 08/09/1990 | DE3903025A1 Method for protecting individuals |
| 07/26/1990 | DE3901409A1 Protective device in electrical appliances, especially household appliances, hair dryers or the like |
| 07/17/1990 | US4942612 Leakage current preventing means for a drier |
| 07/17/1990 | US4942313 Method for detecting a current flowing over the human body between a forward and a return conductor and a circuit configuration for carrying out the method |
| 07/12/1990 | DE3900606A1 Protection of electrical cables (leads, lines) against excessive heating |
| 07/05/1990 | DE3844203A1 Domestic installation system |
| 07/05/1990 | DE3844176A1 Method for detecting a current flowing between a phase conductor and a return conductor via the human body and for switching off the mains conductors |
| 07/03/1990 | US4939506 Grounding brush monitor |
| 06/28/1990 | DE3843277A1 Power output stage for electromagnetic loads |
| 06/28/1990 | DE3842169A1 Circuit arrangement with an FET output stage |
| 06/27/1990 | EP0375120A1 Nuclear event detectors |
| 06/26/1990 | US4937697 Semiconductor device protection circuit |
| 06/13/1990 | EP0372050A1 Electrical safety apparatus. |
| 06/05/1990 | US4931893 Loss of neutral or ground protection circuit |
| 05/31/1990 | DE3839048A1 Protection circuit for protectively insulated apparatuses |
| 05/30/1990 | EP0370828A2 Electric power installations, especially for office furniture |
| 05/15/1990 | US4926283 Temperature protected transistor circuit and method of temperature protecting a transistor |
| 05/09/1990 | CN2057039U Improved safety apparatus for electric appliance |
| 05/03/1990 | WO1990004870A1 Electric heating appliance |
| 05/03/1990 | DE3836990A1 Safety monitoring circuit |
| 04/26/1990 | DE3836275A1 Method for preventing an operating current from flowing through human bodies |
| 04/19/1990 | DE3835346A1 Elektrisches heizgeraet Electric heater |
| 04/05/1990 | CA2000043A1 Nuclear event detectors |
| 03/29/1990 | DE3932272A1 Einrichtung zur steuerung und regelung der drehgeschwindigkeit eines gleichstrom-elektromotors, insbesondere fuer ein elektrisches geblaese einer klimaanlage eines kraftfahrzeugs Means for control and regulation of the rotating speed of a dc electric motors, in particular for an electric fan an air conditioner of a motor vehicle |
| 03/20/1990 | US4910627 Apparatus for protecting electrically operated devices |
| 03/20/1990 | CA1266882A1 Protection technique for an exposed conductor |
| 03/06/1990 | US4907117 For responding to excessive chip temperature |
| 02/22/1990 | DE3828000A1 Device for preventing the effects of moisture condensation in electrical equipment |
| 02/21/1990 | CN1006944B Seeurity switch without threshold |
| 02/20/1990 | US4903160 Sudden, pressure relay supervisory apparatus |
| 02/20/1990 | US4903106 Semiconductor power device integrated with temperature protection means |
| 02/14/1990 | CN1039659A Abnormality diagnosing system and method for high voltage power apparatus |
| 02/13/1990 | US4901186 Temperature compensated thermal protector |
| 02/08/1990 | DE3826462A1 Protection device for electrically operated apparatuses, especially portable apparatuses |
| 01/31/1990 | EP0352987A2 Solid state circuit protector |
| 01/30/1990 | US4897758 Protecting an icemaker against over current damage |
| 01/23/1990 | US4896245 FET overtemperature protection circuit |
| 01/18/1990 | DE3823636A1 Electrical sensor circuit |
| 01/16/1990 | US4894513 Heatable windshield temperature control |
| 01/10/1990 | EP0349916A1 Heatable windshield temperature control |
| 01/02/1990 | US4891500 Self-healing parallel heating tape |
| 12/27/1989 | EP0348128A1 Shock-proof mains voltage supply outlet and method |
| 12/19/1989 | US4888660 Shock-proof mains voltage supply outlet and method |
| 12/13/1989 | EP0346262A2 Temperature compensated thermal protector |
| 12/12/1989 | US4887181 Circuit for temperature protection with hysteresis |
| 12/06/1989 | EP0344850A2 Safety device for detecting ground current and safety electrical plug equipped with said device |
| 12/06/1989 | EP0344715A2 Semiconductor integrated circuit device having temperature detecting means |
| 11/30/1989 | WO1989011747A1 Electrical safety apparatus |
| 11/23/1989 | EP0342597A2 Abnormality system for a high voltage power supply apparatus |
| 11/23/1989 | EP0342441A2 Temperature sensitive commutation device |
| 11/16/1989 | WO1989011174A1 Electronic control and protection device |
| 11/15/1989 | EP0341482A1 Circuit arrangement for determining the overtemperature of a semiconductor element |
| 11/08/1989 | CN2047462U Electric shock-proof safety device |
| 11/02/1989 | DE3813811A1 Electric tool having a protection circuit |
| 10/26/1989 | DE3812416A1 Safety power interruption |
| 10/19/1989 | DE3811994A1 Electrical sensor circuit |
| 10/17/1989 | US4875131 Circuit configuration for monitoring a semiconductor structural element and providing a signal when the temperature exceeds a predetermined level |
| 10/11/1989 | EP0335904A1 Multi-phase electronic temperature controller. |
| 09/26/1989 | CA1261945A1 Printed wiring board means with integral dew sensor |
| 09/26/1989 | CA1261909A1 Electric heating apparatus with integrated solid state comfort control and overheat protection |
| 09/13/1989 | EP0331776A1 Protection device for electrical appliances |
| 09/12/1989 | US4866559 Solid state circuit protector |
| 09/08/1989 | WO1989008300A1 Apparatus for supervising objects with regard to overheating |
| 09/05/1989 | US4863280 Integral temperature measurement in electrical machines, transformers and energy conversion systems |
| 08/30/1989 | EP0329974A2 Electrical safety socket |
| 08/30/1989 | CN1035179A Core monitor that uses rotor shaft voltage |
| 08/22/1989 | US4860147 Shock-protected domestic electrical apparatus |
| 08/16/1989 | EP0328238A1 Crack detector for heated glass panel |
| 08/01/1989 | US4853822 Circuit breaker |
| 07/27/1989 | WO1989006873A1 Rapid pressure rise circuit |
| 07/25/1989 | US4851951 Non-defeatable safety mechanical actuators for appliances |
| 07/20/1989 | DE3800291A1 Electrical safety circuit |
| 07/18/1989 | US4849677 Temperature monitoring for a DC shunt-wound motor |
| 07/12/1989 | EP0323813A1 A device for the thermal protection of an integrated electronic power circuit |
| 06/27/1989 | CA1256494A1 Method for partial discharge detection and breaking spark measurement in dynamo-electric high-voltage machines, and an apparatus for performing the method |
| 06/13/1989 | CA1255775A1 Modular electronic temperature controller |
| 06/08/1989 | DE3740482A1 Circuit arrangement for monitoring a plurality of power outputs connected in parallel |
| 06/01/1989 | WO1989005050A1 Protective device for electrical mains appliances, in particular manual appliances |
| 05/30/1989 | US4835648 Gas insulated switchgear |
| 05/24/1989 | EP0317435A1 Insulated electrical heating element with a security device for detecting failure of the electrical insulation |
| 05/10/1989 | EP0315570A2 Thermal protector |
| 05/09/1989 | US4829390 Electrical switch and circuitry for appliance |
| 05/09/1989 | US4829163 Crack detector for heated glass panel |
| 04/26/1989 | EP0313320A2 Safety apparatus for electrical power supply cables |
| 04/19/1989 | EP0191046B1 Circuit for continuously controlling the grounding resistance of electric apparatuses |
| 04/18/1989 | US4823225 Bipolar immersion detection circuit interrupter |