| Patents for H02H 6 - Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images (678) |
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| 09/06/1988 | CA1241730A1 Circuit breaker with digital solid-state trip unit with optional functions |
| 08/25/1988 | WO1988006363A1 Overcurrent detector |
| 06/16/1988 | WO1988004488A1 Multi-phase electronic temperature controller |
| 06/08/1988 | EP0269797A1 Electronic motor protection relay |
| 05/17/1988 | US4745571 Modular electronic temperature controller |
| 05/10/1988 | US4743818 Microprocessor based motor protective relay with rotor temperature detector |
| 05/03/1988 | US4742424 Power status monitor for electronic system |
| 02/23/1988 | US4727450 Temperature measuring, protection and safety device, thermal protection device using the temperature measuring device and electronic power controller using the thermal protection device |
| 02/23/1988 | CA1233218A1 Overload detection and warning system for electric motors in power tools and the like |
| 01/05/1988 | US4717985 Circuit breaker with digitized solid-state trip unit with inverse time tripping function |
| 01/05/1988 | US4717984 Device for digitally determining and safeguarding a thermal image |
| 09/16/1987 | EP0237412A1 Process for the electronic protection of an electrical motor and device for carrying it out |
| 09/15/1987 | US4694373 Circuit breaker with digital solid-state trip unit with optional functions |
| 05/26/1987 | US4669025 Semiconductor junction temperature emulator |
| 04/28/1987 | US4661717 Load condition determining apparatus |
| 04/09/1987 | DE3536098A1 Device for monitoring the temperature of an electrical component |
| 03/11/1987 | EP0214025A1 Device for the numerical determination and for the preservation of a thermal image |
| 03/11/1987 | EP0213837A2 Modular electronic temperature controller |
| 02/04/1987 | CN85102463A Method and device for detecting load of motor and protecting motor from overload |
| 01/21/1987 | EP0209404A1 Temperature-measuring device for a thermal-protection device |
| 11/18/1986 | US4623967 Computer-controlled switching apparatus |
| 10/07/1986 | US4616324 Digital overcurrent tripping arrangement |
| 09/24/1986 | EP0195449A2 Automatic trouble analysis apparatus and method therefor |
| 09/10/1986 | EP0194176A1 Static numerical circuit interrupter with an inverse time-tripping function |
| 09/03/1986 | EP0193449A1 Static numerical circuit interrupter with optional functions |
| 06/24/1986 | US4597025 Minimum size, integral, A.C. overload current sensing, remote power controller |
| 02/25/1986 | US4573132 Thermal model for electrical apparatus |
| 02/25/1986 | CA1201160A1 Rotor protection apparatus |
| 12/31/1985 | CA1198799A1 Computer-controlled switching apparatus |
| 10/29/1985 | US4550277 Overload detection and warning system for electric motors in power tools and the like |
| 10/15/1985 | US4547826 For protecting an induction motor from excessive thermal overloads |
| 09/10/1985 | CA1193317A1 Thermal model for electrical apparatus |
| 05/21/1985 | CA1187591A1 Solid-state load protection system having electronic simulation of motor heating |
| 04/09/1985 | US4510548 Rotor protection apparatus and method |
| 04/03/1985 | EP0135870A1 Process and device for the overload protection of electrical energy consumers |
| 08/21/1984 | US4467260 Motor control apparatus with rotor heating protection |
| 05/08/1984 | CA1167097A1 Programmable overload circuit |
| 04/25/1984 | EP0106255A2 Protection against the frequent starting of an electric machine with a short-circuited rotor |
| 02/14/1984 | US4432031 Method for overcurrent protection |
| 01/10/1984 | US4425624 Device for simulating an instantaneous temperature-rise of a semiconductor component in order to protect same |
| 11/22/1983 | CA1157513A1 Motor protection circuit |
| 11/01/1983 | US4413325 Methods and apparatuses for determining the temperature of an asynchronous motor |
| 11/01/1983 | US4413213 Electronic motor protection for variable speed motors |
| 10/25/1983 | CA1155950A1 Digital control system for electric motors in power tools and the like |
| 04/12/1983 | CA1144595A1 Rotor thermal protection relay |
| 03/30/1983 | EP0075296A1 Digital overcurrent disconnector |
| 02/01/1983 | US4371910 Safety device for electric consumers in motor vehicles |
| 08/17/1982 | US4345292 Minimum size, integral, A.C. overload current sensing, remote power controller |
| 06/01/1982 | US4333122 Minimum size, integral, A.C. overload current sensing, remote power controller |
| 05/18/1982 | US4330809 Thermal protection circuit for the die of a transistor |
| 04/27/1982 | US4327391 Motor protection circuit |
| 12/22/1981 | US4307325 Digital control system for electric motors in power tools and the like |
| 12/16/1981 | EP0041898A1 Device simulating the instantaneous heating of a power semiconductor component in view of its protection |
| 11/17/1981 | US4301396 Thermal current limiting controller |
| 09/22/1981 | US4291355 Programmable overload circuit |
| 08/05/1981 | EP0033161A1 Method and control circuit for temperature monitoring of an electric motor |
| 05/26/1981 | CA1101965A1 Temperature supervising system |
| 04/08/1981 | EP0026731A1 Overload protection arrangement for an electric machine |
| 12/10/1980 | EP0019885A1 Overload watching arrangement |
| 08/05/1980 | US4216421 Apparatus and method for the thermal simulation of a constant load electric motor |
| 06/17/1980 | CA1079803A1 Solid state valve thermal protection for hvdc power converters |
| 04/08/1980 | US4197442 Temperature supervising system |
| 01/23/1980 | EP0007208A1 A.C. power overload protection control |
| 01/08/1980 | CA1069581A1 Motor protector with remote temperature simulation |
| 07/31/1979 | CA1059629A1 Overtemperature protective circuit for switching devices |
| 07/17/1979 | CA1058740A1 Static overcurrent relay |
| 04/03/1979 | US4148086 Device for overload protection of electric apparatus |
| 01/16/1979 | CA1046646A1 Temperature monitor for semiconductor junction |
| 09/26/1978 | US4117527 Solid state valve thermal protection for hvdc power converters |
| 06/27/1978 | US4097790 Motor protector with remote temperature simulation |
| 02/07/1978 | US4072997 Overtemperature protective circuit for switching devices |
| 10/04/1977 | US4052744 Temperature monitoring of semiconductors |
| 01/04/1977 | US4001649 Temperature monitoring of semiconductors |
| 12/28/1976 | US4000410 Circuit arrangement for superposing starting conditions at an electrical operating means-simulator composed of RC-elements |
| 12/07/1976 | US3996480 Sample and hold-circuit arrangement for an electrical motor simulator of an electronic motor protection relay |
| 10/26/1976 | US3988641 Phase breakdown- and null current-detector, especially for an electronic motor protection relay possessing current-dependent triggering |
| 03/09/1976 | US3943411 Overload protection and display circuit, particularly for sound radiators |
| 03/02/1976 | US3942074 Static overcurrent relay |