| 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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| 01/12/1994 | CN2153166Y Comprehensive protector for accumulator electric locomotive |
| 01/06/1994 | WO1994000901A1 Overtemperature sensing and signaling circuit |
| 01/05/1994 | EP0577378A1 Electric heating cable |
| 01/05/1994 | CN2152331Y Thermal-sensitive over-temperature breaker for motor |
| 01/04/1994 | US5276422 Surge absorber |
| 12/29/1993 | EP0575783A1 Electrical unit |
| 12/15/1993 | CN2149707Y Protector for pump against phase interruption of water interruption |
| 12/14/1993 | US5270897 Personnel protection system for electrical power connections |
| 12/14/1993 | US5270896 Personnel protection system for electrical power connections |
| 12/01/1993 | CN2148419Y Overheat circuit interrupting arrangement for ac electric heating appliances |
| 11/30/1993 | US5267118 Method and apparatus for thermally separating devices on a power integrated circuit |
| 11/30/1993 | US5267116 Electrical safety socket |
| 11/17/1993 | CN2146803Y Protective device for electric machines |
| 10/26/1993 | US5256976 Power apparatus and method of location of a fault in a power apparatus on the basis of attenuation coefficients of electromagnetic coefficients of fault generated electromagnetic waves |
| 10/20/1993 | EP0566302A2 Improvements in or relating to electrically heated panels |
| 10/20/1993 | EP0512009A4 Temperature-sensing control system and method for integrated circuits |
| 10/19/1993 | US5255149 Temperature abnormality detector for electronic apparatus |
| 10/14/1993 | DE4310323A1 Overcurrent protection appts. for power device, esp. IGBT - interrupts current supply when current magnitude is detected for time period which is not shorter than permitted period |
| 10/06/1993 | CN2143381Y Protector for water cooling system |
| 09/29/1993 | EP0562850A2 Heating device |
| 09/14/1993 | US5245221 System for jetted tubs and apparatus therefor |
| 08/26/1993 | DE4239609A1 Monitoring circuit for devices sensing direction of movement |
| 08/24/1993 | US5239203 Common ground control switch for an irrigation system |
| 07/14/1993 | EP0335904B1 Multi-phase electronic temperature controller |
| 07/08/1993 | DE4203654C1 Monitoring three=phase power cable connected to appliance e.g. motor - detecting interruption caused by at least one cable conductor or short circuit between at least two conductors using current source connected to motor supply mains |
| 06/23/1993 | CN1073558A Personal care apparatus comprising a capacitive on/off switch |
| 06/09/1993 | EP0480937A4 Loss of neutral or ground protection circuit |
| 06/02/1993 | EP0544262A2 Circuit for monitoring a moving object |
| 05/27/1993 | WO1993010586A1 Personnel protection system for electrical power connections |
| 05/25/1993 | US5213416 For semiconductor devices |
| 05/19/1993 | CN2133965Y Safety blocking device for preventing undesired approach to electrical appliances |
| 05/13/1993 | DE4136877A1 Switching appts. for recognising intrusive conductive media in switching amplifier input - has component which changes electrical parameter of input circuit, changes over input terminal polarity, and prevents switch=on w.r.t. parameter |
| 05/13/1993 | DE4136639A1 Electrical detection system for non dissolved gas in HF plant - uses fluid-filled capacitors to detect change in dielectric constant caused by gas penetrating liquid |
| 05/11/1993 | CA1317622C Heatable windshield temperature control |
| 05/05/1993 | CN2132321Y Overtemperature protector for motor |
| 04/27/1993 | US5206778 Sense circuit for on-chip thermal shutdown |
| 04/21/1993 | EP0537845A1 Suction tube handgrip comprising a capacitive sensor remote control circuit |
| 04/18/1993 | CA2080546A1 Personal-care apparatus comprising a capacitive on/off switch |
| 04/07/1993 | EP0535765A2 Device for monitoring a neutral conductor |
| 04/06/1993 | US5200872 Internal protection circuit for electrically driven device |
| 04/06/1993 | US5200737 System and method for detecting partial discharge of gas-insulated switchgear |
| 03/31/1993 | EP0533822A1 Low impedance power conditioner apparatus |
| 03/30/1993 | US5198956 Overtemperature sensing and signaling circuit |
| 03/23/1993 | US5196830 Apparatus for supervising objects with regard to overheating |
| 03/23/1993 | US5196729 Liquid activated control switch |
| 03/23/1993 | CA1314968C Rapid pressure rise circuit |
| 03/02/1993 | US5191318 Loss of neutral detecting circuit |
| 02/24/1993 | CN2127541Y Check damaging anti-exploding electric equipment shell |
| 02/09/1993 | US5185687 Chaos sensing arc detection |
| 02/09/1993 | CA1313564C Battery disconnect apparatus |
| 02/03/1993 | CN2126745Y High safety electric stove for steam bath |
| 02/02/1993 | US5184271 Shock hazard protection system |
| 01/27/1993 | EP0524724A2 Protection of integrated circuit devices |
| 01/27/1993 | EP0524708A2 Personal-care apparatus comprising a capacitive on/off switch |
| 01/21/1993 | WO1993001640A1 Improvements relating to thermally-responsive controls |
| 01/21/1993 | DE4123870A1 Monitoring electronic assemblies with components on base carrier - measuring temp. at widely different points on carrier from variation in voltage applied to thermo-wires to detect burn through of components or conductor paths in module |
| 01/05/1993 | US5177658 Heat flow detector for recessed incandescent fixtures |
| 12/29/1992 | US5175412 Electrical control system for an electrically heated window in motor vehicle |
| 12/22/1992 | CA1311796C Personal appliance having shock protection circuitry |
| 11/24/1992 | US5166853 Shock hazard protection system |
| 11/24/1992 | US5166852 Electronic circuit device for protecting electronic circuits from unwanted removal of ground terminal |
| 11/17/1992 | US5164572 Abnormal temperature detection device for regeneration resistor |
| 11/11/1992 | EP0512009A1 Temperature-sensing control system and method for integrated circuits |
| 11/04/1992 | EP0511561A2 Thermal protective device |
| 10/27/1992 | US5159520 Semiconductor integrated circuit having function of preventing rise of surface temperature |
| 10/27/1992 | US5159517 Immersion detection circuit interrupter |
| 10/22/1992 | DE4112996A1 Functional monitor for electrical load controlled by switch - measures voltage and/or current of control line by fault identification circuit when fault detection circuit is activated |
| 10/20/1992 | US5157579 Heat flow detector for recessed incandescent fixtures |
| 10/14/1992 | EP0508448A2 Electrical trip device |
| 10/06/1992 | US5153805 Temperature-compensated thermal protector |
| 10/01/1992 | WO1992013379A3 Electronic equipment for security, electric protection and optimalization of electric power connexion |
| 09/30/1992 | EP0506319A2 Chaos sensing arc detection |
| 09/29/1992 | US5151841 Electrical safety apparatus |
| 09/22/1992 | US5150286 Apparatus and method for protecting electronic circuitry from damage |
| 09/02/1992 | EP0501858A2 Fail safe obstruction detector for door openers |
| 09/01/1992 | US5144516 Leakage current circuit interrupter device |
| 08/25/1992 | US5142428 Water sensing type power breaker circuit |
| 08/18/1992 | US5140394 Electrothermal sensor apparatus |
| 08/11/1992 | CA1306226C Compressed air supply system |
| 08/06/1992 | WO1992013379A2 Electronic equipment for security, electric protection and optimalization of electric power connexion |
| 08/05/1992 | EP0497692A2 Wiring error detector for a door operator |
| 07/30/1992 | CA2060161A1 Surge absorber |
| 07/22/1992 | EP0495771A2 Fault-current protective switch |
| 07/21/1992 | US5132868 Over-heating protective circuit |
| 07/16/1992 | DE4100790A1 Monitoring power transistor made conductive by rectangular signal - setting memory element into state indicating defect according to voltage level during time window |
| 07/09/1992 | DE4142838A1 Safety device for throughflow electric water heater - cuts off AC supply to controlled switch when diminished flow of water threatens damage to element |
| 06/24/1992 | CN2108371U Monitoring protector for motor |
| 06/23/1992 | US5124679 Automatic power breaker and relay and water sensor used in the automatic power breaker |
| 06/11/1992 | WO1992010032A1 Temperature-sensing control system and method for integrated circuits |
| 06/03/1992 | EP0488719A2 System and method for detecting partial discharge of gas-insulated switchgear |
| 05/29/1992 | WO1992009129A1 Device for processing data provided by the contact potential, and cutoff device linked thereto |
| 05/27/1992 | CN2105786U Protector for the water discharging electromagnet of washing machine |
| 05/19/1992 | US5115388 Temperature response protection circuit for bridge inverter |
| 05/19/1992 | US5115371 Circuit breaker comprising an electronic trip device |
| 05/19/1992 | US5115367 Right angle plug |
| 05/19/1992 | CA1301298C Full automatic electric shock protector apparatus |
| 05/13/1992 | CN1061129A Safty electronic ballast |
| 05/12/1992 | US5113303 Grounding detection circuit |
| 05/05/1992 | US5109675 Valve position sensing circuit |
| 04/28/1992 | US5109315 Safety device for an electrical appliance |