| Patents for H01H 73 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism (6,696) |
|---|
| 09/04/1979 | US4166993 Push button actuated bimetal controlled excess current switch |
| 09/04/1979 | US4166989 Circuit breaker remote close and charged signalling apparatus |
| 09/04/1979 | CA1061839A1 Stacker circuit breakers having high interrupting capacity |
| 08/28/1979 | US4166205 Stored energy circuit breaker |
| 08/22/1979 | EP0003497A1 Adjusting device with stopping steps to release electric switching devices |
| 08/09/1979 | WO1979000537A1 Indicator for blown circuit breaker |
| 08/08/1979 | EP0003236A1 Low-tension power circuit-breaker with an insulant housing, subdivided by separating walls |
| 08/07/1979 | US4163881 Circuit breaker with thrust transmitting spring |
| 07/11/1979 | EP0002686A1 Low voltage multi-pole power circuit breaker with switch shaft supporting contact arms |
| 07/10/1979 | CA1058262A1 Circuit breaker with one-way adjustment of tripping current level |
| 07/10/1979 | CA1058257A1 Multi-pole ground fault circuit breaker |
| 06/27/1979 | EP0002449A1 Low voltage circuit breaker with a two-part insulating casing |
| 06/19/1979 | CA1056882A1 Pushbutton electric switch |
| 06/05/1979 | US4157524 Miniature circuit breaker |
| 06/05/1979 | US4157523 Bimetal overload relay |
| 06/05/1979 | CA1055995A1 Circuit interrupter having an insulated bridging contact |
| 06/05/1979 | CA1055994A2 Thermostat comprising means preventing switch contact binding |
| 05/29/1979 | CA1055595A1 Circuit breaker with solid state passive overcurrent sensing device |
| 05/22/1979 | CA1055084A1 Integral magnetic trip and latch for a circuit interrupter |
| 05/01/1979 | US4152561 Circuit breaker motor and handle clutch |
| 04/10/1979 | US4149093 Battery protection device |
| 04/03/1979 | US4148002 Electric switches |
| 03/27/1979 | US4146855 Low profile multi-pole circuit breaker having multiple toggle springs |
| 03/20/1979 | CA1051069A2 Current limiting circuit breaker |
| 03/13/1979 | US4144513 Anti-rebound latch for current limiting switches |
| 02/27/1979 | CA1049594A1 Pushbutton actuated current limiting switch with thermal tripping |
| 02/13/1979 | US4139748 Secondary contacts for drawout switchgear |
| 02/13/1979 | CA1048578A2 Current limiting circuit breaker |
| 01/09/1979 | CA1046119A1 Circuit breaker with improved trip actuator and undervoltage release mechanism |
| 01/09/1979 | CA1046118A1 Multi-pole electric circuit breaker arrangement |
| 01/09/1979 | CA1046116A1 Molded case circuit breaker with electro-magnetic shielding improving interrupting capacity |
| 12/19/1978 | US4130814 Interchangeable tripping device for a circuit-breaker |
| 12/12/1978 | CA1044288A1 Manually operable circuit interrupter with automatic current overload protection |
| 11/07/1978 | CA1042042A1 Heavy duty automatic circuit breaker |
| 10/31/1978 | US4123737 Bimetallic circuit breaker |
| 10/31/1978 | US4123734 Circuit breaker with improved latch mechanism |
| 10/10/1978 | US4119935 Circuit interrupter including low friction latch |
| 10/03/1978 | US4118680 Circuit interrupter |
| 09/26/1978 | US4117285 Snap action circuit breaker |
| 08/29/1978 | US4110719 Three phase circuit breaker |
| 08/29/1978 | US4110717 Circuit breaker |
| 08/22/1978 | US4109226 Disconnect switch with reset mechanism |
| 08/22/1978 | US4109118 Keyswitch pad |
| 08/15/1978 | CA1036645A1 Circuit breaker with adjustable thermal trip unit |
| 07/11/1978 | US4100522 Circuit breaker with adjustable setting |
| 06/06/1978 | US4093838 Circuit breaker housing, grip means and bus terminal |
| 05/30/1978 | US4092623 Circuit breaker |
| 05/09/1978 | US4088973 Unitized combination starter |
| 04/25/1978 | US4086549 Circuit interrupter relay |
| 02/21/1978 | US4075446 Circuit breaker arc venting screen |
| 02/14/1978 | US4074218 Circuit breaker |
| 02/07/1978 | US4072916 Stacked circuit breakers having high interrupting capacity |
| 01/17/1978 | US4069464 Bimetal overload relay |
| 01/10/1978 | US4068203 Bimetallic circuit breaker |
| 11/01/1977 | US4056816 Light emitting diode blown circuit breaker indicator |
| 11/01/1977 | US4056798 Current limiting circuit breaker |
| 10/18/1977 | US4054857 Time delay disconnect switch |
| 09/13/1977 | US4048608 Circuit breaker |
| 09/13/1977 | US4048607 Circuit breaker |
| 09/13/1977 | US4048599 Electric switching device |
| 09/06/1977 | US4047140 Thermal overload relay |
| 09/06/1977 | US4047134 Circuit breaker |
| 08/23/1977 | US4044325 Pushbutton actuated excess current switch |
| 08/16/1977 | US4042894 Multi-pole circuit breaker system with common trip means |
| 07/05/1977 | US4034169 Electric switchgear device with interlocking handle means |
| 06/14/1977 | US4030060 Thermally adjustable circuit breaker |
| 05/24/1977 | US4025821 Circuit breaker with improved trip means having a high rating shunt trip |
| 05/17/1977 | US4024487 Multipole excess current switch |
| 05/17/1977 | US4024482 Circuit breaker |
| 05/17/1977 | US4024366 Toggle lever switching mechanism for an automatic switching apparatus including a low-voltage tripping device |
| 04/19/1977 | US4019097 Circuit breaker with solid state passive overcurrent sensing device |
| 04/19/1977 | US4019006 Overcurrent and short circuit protection device |
| 04/05/1977 | US4016518 Circuit breaker with improved single coil actuator and undervoltage release mechanism |
| 03/22/1977 | US4013926 Circuit breaker with improved trip actuator and undervoltage release mechanism |
| 03/08/1977 | US4011420 Molded case circuit breaker with improved interrupting capacity |
| 02/01/1977 | US4006439 Circuit interrupter having an insulated bridging contact |
| 01/04/1977 | US4001743 Heavy duty automatic circuit breaker |
| 01/04/1977 | US4001738 Circuit interrupter having an electromagnetic repulsion device |
| 12/28/1976 | US4000444 Electric circuit breaker with ground fault protection |
| 12/21/1976 | US3999103 Multi-pole ground fault circuit breaker |
| 12/14/1976 | US3997857 Integral magnetic trip and latch for a circuit interrupter |
| 12/14/1976 | US3997746 Circuit breaker with arc chamber screen |
| 11/09/1976 | US3991395 Thermal circuit breakers |
| 11/02/1976 | US3990028 Multiple circuit thermal circuit breakers |
| 09/28/1976 | US3983454 Distribution transformer secondary circuit breaker |
| 08/17/1976 | US3975702 Circuit breaker |
| 08/17/1976 | US3975701 Circuit breaker with one-way adjustment of tripping current level |
| 05/25/1976 | US3959754 Circuit breaker with improved trip means |
| 04/27/1976 | US3953811 Current-limiting electric switch exempt from bumps in the opening stage |
| 04/13/1976 | US3950714 Self-adjusting circuit breaker with rotating trip assembly |
| 03/30/1976 | US3947791 Locking device having low control power for an electrical device |
| 02/24/1976 | US3940723 Instantaneously tripping device for circuit interrupter |
| 02/10/1976 | US3938065 Push-button operated bipolar faulty current protective switch |
| 01/27/1976 | US3935409 Current-limiting circuit breaker |
| 01/13/1976 | US3932829 Excess current switch |
| 01/06/1976 | US3931601 Receptacle device ground fault circuit interrupter |