| 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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| 06/10/1987 | EP0224689A1 Device for monitoring the temperature of direct current shunt dynamos for rotary printing machines |
| 05/26/1987 | US4669026 Power transistor thermal shutdown circuit |
| 05/19/1987 | US4667265 Adaptive thermal shutdown circuit |
| 05/07/1987 | WO1987002835A1 Device and method of protecting circuits against changes in operating conditions |
| 04/22/1987 | EP0218847A1 Electronic circuit ensuring protection against electrical discharge, in particular for hairdryers |
| 04/21/1987 | CA1220846A1 Protective circuit for portable electric appliance |
| 04/09/1987 | WO1987001902A2 Protective circuit for electric apparatus |
| 04/01/1987 | EP0215793A1 Overheating alarm |
| 03/18/1987 | EP0214663A2 Electronic control device |
| 03/11/1987 | EP0213837A2 Modular electronic temperature controller |
| 03/11/1987 | CN86101802A Sudden pressure relay supervisory apparatus |
| 03/10/1987 | US4649454 Apparatus and method for detecting an open ground connection |
| 02/24/1987 | CA1218415A1 Piezoelectric reed power supply for use in abnormal tire condition warning system |
| 01/28/1987 | CN85203871U Remove confasion type safety cut-out with self-insurance when getting an electric shock |
| 12/17/1986 | CN86101917A Gas insulating apparatus |
| 12/16/1986 | US4630161 Protection technique for exposed conductor |
| 12/02/1986 | US4626834 Ground continuity monitor for tool stop controllers |
| 11/26/1986 | EP0202450A1 Circuit for the ground power supply of an aircraft connection plug |
| 11/20/1986 | WO1986006920A1 Electrical heating pad |
| 10/15/1986 | EP0197778A2 Gas insulated switchgear |
| 10/01/1986 | EP0196234A2 Gas insulated switchgear |
| 10/01/1986 | CN86102108A Switching device isolated by gas |
| 08/20/1986 | EP0191046A1 Circuit for continuously controlling the grounding resistance of electric apparatuses. |
| 08/20/1986 | CN85100422A Full automatic electric shock protective device |
| 08/19/1986 | US4607154 Electrical heating apparatus protected against an overheating condition and a temperature sensitive electrical sensor for use therewith |
| 08/13/1986 | EP0190985A2 Low oil trip and/or lockout apparatus |
| 08/12/1986 | CA1209685A1 Peak load access in a two-way catv contention system |
| 07/30/1986 | CN86101599A Apparatus providing for leakage current protection |
| 07/23/1986 | CN85203907U Easy-to-handle protector |
| 07/09/1986 | CN85201314U Over-temperature protecting unit for winding of electric motor |
| 07/02/1986 | CN85106908A Leading circuit-breaker device for explosion-proof lamp |
| 07/01/1986 | US4598333 Electronic control device |
| 06/18/1986 | EP0184983A1 Auxiliary device for the drilling of reinforced concrete |
| 06/10/1986 | US4594631 Temperature protective circuit for a charging generator |
| 06/04/1986 | EP0183644A2 Method for making recesses |
| 05/28/1986 | CN85203250U Multifunctional non contact electric shock protector |
| 05/27/1986 | US4591816 Low oil trip and/or lockout apparatus |
| 05/21/1986 | CN85203787U Electric shock protector |
| 05/13/1986 | US4589047 Protective mechanism in electrically operated devices |
| 04/30/1986 | CN85203103U Low voltage directional electricity leakage relay for mine uses |
| 04/24/1986 | WO1986002500A1 A method and device for detection of an electric load |
| 04/22/1986 | CA1203603A1 Degradation sensing and shut-down means for refrigeration motor-compressor units |
| 04/09/1986 | EP0177305A2 Protection technique for an exposed conductor |
| 04/09/1986 | EP0176708A1 Temperature protection circuit with hysteresis |
| 03/18/1986 | US4577094 Electrical heating apparatus protected against an overheating condition |
| 02/27/1986 | WO1986001299A1 Circuit for continuously controlling the grounding resistance of electric apparatuses |
| 01/29/1986 | EP0169642A1 Electrically heated panel assembly |
| 01/21/1986 | US4565919 Crack detector for electrically conductive windshield |
| 01/15/1986 | CN85200505U Touching-protector with phase detecting differentiating civcuit |
| 01/14/1986 | CA1199386A1 Proximity detector of electric lines, and method |
| 01/03/1986 | WO1986000179A1 Overheating alarm |
| 01/01/1986 | CN85200741U Multiple-protection contactor for three-phase electric motor |
| 12/31/1985 | US4562509 For a glass door |
| 12/18/1985 | EP0164407A1 Shock hazard protection system. |
| 11/12/1985 | US4551984 Degradation sensing and shut-down means for refrigeration motor-compressor units |
| 10/29/1985 | US4550358 Protective circuit for portable electric appliances |
| 10/01/1985 | US4543797 Degradation sensing and shut-down means for refrigeration motor-compressor units |
| 09/25/1985 | EP0155715A1 Electrically heated device comprising a heating cable and a safety circuit against excess heat |
| 09/17/1985 | CA1193639A1 Electric blanket safety circuit |
| 08/28/1985 | EP0153088A1 Protective circuit for portable electric appliances |
| 08/27/1985 | US4538199 Electrothermal wire responsive miniature precision current sensor |
| 07/09/1985 | US4528663 Peak load access in a two-way CATV contention system |
| 06/20/1985 | WO1985002744A1 Peak load access in a two-way catv contention system |
| 06/20/1985 | WO1985002724A1 Shock hazard protection system |
| 06/19/1985 | EP0144660A1 Electric connection device, like a socket, for electric consumers |
| 06/18/1985 | CA1189150A1 Laser scalpel provided with a safety device |
| 05/15/1985 | EP0141352A2 Electrical connecting device, e.g. a socket, with a fault-current protective switch for electrical consumers |
| 05/14/1985 | CA1186912A1 Monitor device for laser systems transmitting laser light through optical fibers |
| 05/02/1985 | EP0139301A2 Protection device for an electrical apparatus, with a switch being actuated by conductive liquids |
| 04/09/1985 | US4510484 Piezoelectric reed power supply for use in abnormal tire condition warning systems |
| 04/09/1985 | US4510482 Protective circuit for electronic test probes |
| 03/27/1985 | EP0134943A1 System and method for detecting proximity to electrical power lines |
| 01/09/1985 | EP0130931A2 Degradation sensing and shut-down means for refrigeration motor-compressor units |
| 01/01/1985 | US4491723 Heating circuit with overheat safety control feature |
| 01/01/1985 | US4490988 Degradation sensing and shut-down means for refrigeration motor-compressor units |
| 11/20/1984 | US4484243 Protective circuit arrangement for a sheathed heating element |
| 10/09/1984 | US4476512 Monitor device for laser systems transmitting laser light through optical fibers |
| 09/25/1984 | US4473859 Piezoelectric circuit breaker |
| 09/12/1984 | EP0118402A1 Safety switch |
| 08/14/1984 | CA1172736A1 Motor protection control circuit |
| 08/07/1984 | US4464582 Water-safe hair dryer circuit |
| 07/18/1984 | EP0113463A1 Electrical device for detecting power delivered to a resistive load |
| 06/05/1984 | US4453159 Self-monitoring heat tracing system |
| 05/22/1984 | US4450496 Protection of certain electrical systems by use of PTC device |
| 05/15/1984 | CA1167279A1 System for monitoring abnormality of oil-filled electric devices |
| 05/08/1984 | US4447846 Computer environment protector |
| 03/13/1984 | US4436986 Electric blanket safety circuit |
| 03/13/1984 | US4436699 Carbon filters, detectors |
| 03/13/1984 | CA1163674A1 Automatic control for processing signals from an overheat monitor of a dynamoelectric machine |
| 02/21/1984 | CA1162598A1 Protective circuit for electric bedcover or the like |
| 02/15/1984 | EP0012754B1 Circuit breaker having an electronic fault sensing and trip initiating unit |
| 02/07/1984 | US4430681 Overload protection arrangement for an electric motor, especially of a hand-held power tool |
| 02/07/1984 | US4430560 Electrical heating apparatus overheat protection circuits |
| 01/17/1984 | CA1160724A1 Protection of certain electrical systems by use of ptc device |
| 11/01/1983 | CA1156300A1 Electric blanket safety circuit |
| 10/26/1983 | EP0092027A2 Local temperature rise monitor for electrical apparatus |
| 10/18/1983 | US4410924 Motor protection control circuit |
| 10/18/1983 | CA1155486A1 Lightning arrestor |
| 10/12/1983 | EP0090811A1 Self-monitoring heat tracing system |
| 09/15/1983 | WO1983003160A1 Protection device for an electrically supplied apparatus |