| 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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| 07/15/1998 | EP0852894A1 Thermally-protected control apparatus containing electrical components |
| 07/14/1998 | US5781387 To interrupt flow of current to electrical devices |
| 07/01/1998 | EP0850385A1 A method and a device for sensing the distance between a first object and a second object |
| 07/01/1998 | CN2285530Y Leakage protector for 3.3KV electric net of coal mine underground pit |
| 06/24/1998 | CN1185868A Hybrid alternator having voltage regutator |
| 06/18/1998 | WO1998026487A1 Device including a thermally protected switching transistor |
| 06/09/1998 | US5764063 Monitor for battery pack |
| 06/04/1998 | WO1998024161A1 Electronic shock protection in codsets and electrical distribution systems |
| 06/03/1998 | CN2283327Y Earth leakage protective device |
| 05/27/1998 | CN1038548C Gas insulated electric apparatus |
| 05/20/1998 | EP0777907B1 Electromechanical switching device and arrangement with several such devices |
| 05/20/1998 | EP0630533B1 A short-circuit limiting protector |
| 05/20/1998 | DE19645903A1 Electrical protective circuit for model railway layouts |
| 05/19/1998 | US5753989 Hybrid alternator |
| 05/13/1998 | CN2281600Y Overheating protector for electric appliance |
| 05/12/1998 | US5751536 Method and apparatus for providing isolation from hazardous voltage levels in a hybrid instrumentation system |
| 05/05/1998 | US5747909 Hybrid alternator |
| 04/29/1998 | EP0838687A1 Abnormality detection apparatus and abnormality detection method |
| 04/23/1998 | WO1998016778A1 Lamp with safety features |
| 04/22/1998 | CN2279726Y Time-delay thermal protector for electric machine |
| 04/08/1998 | CN1178406A Semiconductor integrated circuit device with overheating protector and method of protecting semiconductor integrated circuit against overheating |
| 04/07/1998 | US5737199 Fail Check Device and method for switching signal lines |
| 04/07/1998 | US5737170 Thermal shutdown circuit using a pair of scaled transistors |
| 04/01/1998 | CN2277592Y Dry and wet temp limitable alarm thermometer for flue-cured tobacco |
| 03/18/1998 | EP0829939A2 Circuit with overload protection for a relay |
| 03/18/1998 | EP0829136A1 Integrated circuit |
| 03/18/1998 | CN1176510A Electric Power apparatus |
| 03/12/1998 | WO1998010301A1 Load-less load current detector and method |
| 03/11/1998 | CN2276219Y Direct buried and laying wire device |
| 03/10/1998 | US5726850 Electrical heating apparatus |
| 03/05/1998 | DE19632590C1 Current loop sensor device e.g. for entrance security pressure-mat |
| 03/04/1998 | EP0826547A2 Railway traction unit |
| 02/25/1998 | CN1174433A Gas insulated switchgear |
| 02/17/1998 | US5719736 Heat flow detector for recessed incandescent fixtures |
| 02/11/1998 | CN2274399Y Full-trip type fire-retardant ballast |
| 01/28/1998 | EP0821459A2 Semiconductor integrated circuit device with overheating protector and method of protecting semiconductor integrated circuit against overheating |
| 01/22/1998 | WO1998002946A1 Circuit protection arrangements |
| 01/22/1998 | DE19729883A1 Power control system for auxiliary drive unit of electric hybrid-vehicle |
| 01/22/1998 | CA2263073A1 Circuit protection arrangements |
| 01/21/1998 | CN2273069Y Over-temp alarm and protection switch for main power switch |
| 01/15/1998 | DE19625408A1 Earth monitoring circuit for preventing electrocution currents in electrical equipment |
| 01/14/1998 | EP0818077A1 Hybrid alternator |
| 01/14/1998 | CN1170261A Safety circuit for electrical devices |
| 01/13/1998 | US5708551 Electrical distribution device with preventive checking of the state of the load, particularly for civil and industrial users |
| 01/13/1998 | US5708277 Optically coupled device with high current protection |
| 01/08/1998 | WO1998000620A1 Electric switch with static current monitoring |
| 01/02/1998 | DE19625752A1 Elektrische Schalteinrichtung mit einer Ruhestromüberwachung The electrical switching device with a closed-circuit protection |
| 12/31/1997 | CN1169017A Over-heated fuse cutout for electronic component |
| 12/30/1997 | US5703746 Electric junction box and electric current distribution system |
| 12/30/1997 | US5703459 Driver for an induction motor |
| 12/23/1997 | CA2027404C Power and control chamber for dynamoelectric machines |
| 12/16/1997 | US5699239 Power supply control circuit |
| 12/16/1997 | US5698887 Semiconductor protection circuit |
| 12/10/1997 | CN2270305Y Intelligent temp-controlled switch |
| 12/10/1997 | CN2270304Y Capacitor-type gas disconnector |
| 12/02/1997 | US5693995 Hybrid alternator |
| 12/02/1997 | CA2059802C Wiring error detector for door operator |
| 11/26/1997 | EP0809417A2 Safety circuit for electrical devices |
| 11/23/1997 | CA2205819A1 Safety circuit for electrical devices |
| 11/19/1997 | CN1165581A Method and device for preventing explosions and fires in electrical transformers |
| 11/13/1997 | WO1997042512A1 Abnormality detection apparatus and abnormality detection method |
| 11/12/1997 | CN1164770A Temp. controlled power-off protective and alarm circuit |
| 11/11/1997 | US5686858 Temperature detector on an integrated circuit |
| 11/06/1997 | DE19712544A1 Circuit-breaker and circuit-breaker circuit for cutting off motor vehicle battery supply to load in the event of collision |
| 11/04/1997 | US5684663 Protection element and method for protecting a circuit |
| 10/15/1997 | EP0801457A1 Protection device for electric motor, corresponding process and electrically powered driving device with such protection device |
| 10/15/1997 | CN2265017Y Self-powered current overtemperature alarm |
| 10/08/1997 | EP0800334A2 Circuit for operating electric lamps |
| 10/08/1997 | EP0800251A1 Protection for a three-phase distribution transformer immersed in a dielectric fluid |
| 10/08/1997 | EP0800153A2 Smoke detecting apparatus and method |
| 10/08/1997 | EP0746891A4 Electrical safety device |
| 10/04/1997 | CA2201770A1 Protection system for a three-phase distribution transformer immersed inan insulating fluid |
| 09/30/1997 | US5672918 System level latchup mitigation for single event and transient radiation effects on electronics |
| 09/23/1997 | CA2080333C Surge absorber |
| 09/17/1997 | EP0795945A2 Protection circuit and method for an electromagnetic interference suppression system |
| 09/17/1997 | EP0795183A1 Method and device for preventing explosions and fires in electrical transformers |
| 08/20/1997 | CN1157667A Electromechanical switching device and arrangement with several such devices |
| 08/05/1997 | US5654861 Thermal protection circuit |
| 07/30/1997 | EP0786847A2 Fire-protection circuit breaker |
| 07/24/1997 | WO1997026687A1 Socket |
| 07/24/1997 | DE19601883A1 Steckdose Power Point |
| 07/24/1997 | DE19601880A1 Load network arrangement with PE conductor for protection of electrical devices from electric shock hazard |
| 07/24/1997 | CA2243466A1 Plug socket |
| 07/23/1997 | CN1155357A Detector for monitoring integrity of ground connection of electrical appliance |
| 07/16/1997 | EP0700590B1 Control of electric loads during generator failure in a multi-generator system |
| 07/16/1997 | CN1154587A Capacitor type gas relay |
| 07/09/1997 | EP0783198A1 Detection of decomposition gas formation in transformers |
| 07/02/1997 | CN1153413A Protection element and method for protecting circuit |
| 07/01/1997 | US5644462 Electrical power/ground continuity indicator protection circuit |
| 06/24/1997 | US5642252 Insulated gate semiconductor device and driving circuit device and electronic system both using the same |
| 06/17/1997 | US5638946 Micromechanical switch with insulated switch contact |
| 06/11/1997 | EP0778467A2 Circuit for monitoring grounding and protection against dangerous currents through the human body, especially for devices with potential equalisation in star-star networks |
| 06/11/1997 | EP0777907A2 Electromechanical switching device and arrangement with several such devices |
| 06/10/1997 | US5638246 Semiconductor device having a protection circuit, and electronic system including the same |
| 06/10/1997 | US5638021 Power semiconductor component with temperature sensor |
| 06/03/1997 | US5635806 Method and apparatus for temperature monitoring of universal or AC/DC motors |
| 05/28/1997 | CN1035032C High-voltage safety protection network |
| 05/27/1997 | US5633775 Fire sentry power cable |
| 05/14/1997 | EP0773623A1 Method and device for protecting regenerative resistor of servo motor for driving inverter |
| 05/07/1997 | DE19540625A1 Protective circuit and device for temperature monitoring of device or machine |