| Patents for H01H 61 - Electrothermal relays (1,359) |
|---|
| 09/01/1981 | CA1108209A1 Thermally operated fast acting electrical relay |
| 05/19/1981 | US4267635 Method of making a solid state electrical switch |
| 02/24/1981 | CA1096427A1 High thermal and electrical conductivity ternimal for electrothermally operated switch including weldable cladding |
| 01/13/1981 | CA1093618A1 Gas operated switches |
| 12/30/1980 | CA1092630A2 Bimetal overload relay |
| 12/23/1980 | US4241370 Thermal relays particularly for starting single-phase asynchronous motors |
| 12/02/1980 | US4237510 Electrical switching apparatus |
| 12/02/1980 | US4237508 Electrical control |
| 10/29/1980 | EP0017814A1 Device to convert a reversing contact assembly |
| 10/29/1980 | EP0017813A1 Release mechanism for a thermal protection relay |
| 10/28/1980 | CA1088601A1 Thermally operated switch with ambient temperature compensator |
| 09/30/1980 | US4225210 Terminal and method of making |
| 09/23/1980 | US4224591 Motor protector with metal housing and with preformed external heater thereon |
| 06/17/1980 | US4208644 Energy regulator |
| 05/27/1980 | US4205292 Electric time switch |
| 01/15/1980 | US4184136 Fast acting thermal relay |
| 12/04/1979 | US4177443 Thermal relay and electric range control utilizing the same |
| 12/04/1979 | US4177408 Combined switch and flasher |
| 11/13/1979 | US4174511 Bimetal device with an electrical heating element |
| 10/17/1979 | EP0004842A2 Thermal relay |
| 10/16/1979 | US4171519 Circuit breaker with parallel shorting element |
| 10/02/1979 | US4169999 Thermal-magnetic switch |
| 08/07/1979 | US4164000 Relay-starter electrical device for a prime mover |
| 05/30/1979 | EP0002057A1 Thermal overload relay |
| 04/24/1979 | CA1053204A1 Snap-acting thermally responsive bimetallic actuators |
| 01/23/1979 | US4136323 Miniature motor protector |
| 12/26/1978 | US4131930 Thermal time-delay switch |
| 12/26/1978 | US4131871 Electrical device and method |
| 11/07/1978 | US4124835 Remotely controlled utility service interrupter system and apparatus |
| 09/26/1978 | CA1039337A1 Thermal timer |
| 09/19/1978 | US4115750 Bimetal actuator |
| 07/25/1978 | US4103135 Gas operated switches |
| 07/04/1978 | US4099154 Starting relay casing for motorcompressors |
| 06/13/1978 | US4095208 Intermittently operable electrical switch assembly |
| 06/13/1978 | US4095100 Light responsive switch |
| 05/30/1978 | US4092573 Motor starting and protecting apparatus |
| 05/16/1978 | US4090163 Elongated snap-acting bimetal element |
| 04/25/1978 | US4086558 Motor protector and system |
| 04/11/1978 | US4084202 Combination starter-protector device, method of protecting a dynamoelectric machine, and circuit |
| 04/04/1978 | US4081897 Method of making an electric switch |
| 01/17/1978 | US4069289 Method of forming elements of insulating material on a bimetal strip |
| 10/04/1977 | US4052687 Circuit breaker with parallel shorting element |
| 08/16/1977 | US4042860 Combination starter-protector device |
| 07/26/1977 | US4038627 Electro-thermal isolating switch |
| 07/26/1977 | US4037316 Method of assembling temperature responsive resistance member |
| 04/05/1977 | US4016521 Thermal limiter |
| 02/08/1977 | US4007404 High gain relays and systems |
| 01/04/1977 | US4001747 Flasher switch vane structure |
| 12/28/1976 | US4000484 Directly heated bimetallic strip for use in a thermal trip |
| 08/24/1976 | US3976966 Electric sequencer and electric heating system |
| 07/06/1976 | US3968468 Electrical switch and method of calibrating |
| 07/06/1976 | US3968380 High gain relays and systems |
| 06/08/1976 | US3962665 Thermally actuated liquid level sensor |
| 06/01/1976 | US3961300 Thermal timer, thermal actuator, control system and circuit |
| 05/25/1976 | US3959691 Motor protector |
| 04/27/1976 | US3953817 Flasher device |
| 03/16/1976 | US3944787 Heater on metal composites |
| 01/06/1976 | US3931560 Motor control system and electrical switch constructions therefor or the like |
| 01/06/1976 | US3930783 Primary control means for furnaces |