| Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450) |
|---|
| 10/31/1978 | CA1041597A1 Two pole ground fault circuit protector |
| 10/17/1978 | US4121077 Circuit breaker having improved movable contact position indicator |
| 10/17/1978 | US4121066 Circuit breaker adapter |
| 10/10/1978 | US4119935 Circuit interrupter including low friction latch |
| 10/03/1978 | US4118680 Circuit interrupter |
| 10/03/1978 | US4118608 Trip indicator |
| 10/03/1978 | CA1039800A1 Ground fault protection for electrical power distribution systems |
| 09/26/1978 | US4117285 Snap action circuit breaker |
| 09/26/1978 | CA1039336A1 Circuit breaker with improved delay |
| 09/12/1978 | US4114123 Circuit breaker |
| 09/12/1978 | US4114122 Circuit breaker |
| 09/05/1978 | US4112270 Means connecting circuit breaker and auxiliary feature modules |
| 08/29/1978 | US4110719 Three phase circuit breaker |
| 08/29/1978 | US4110717 Circuit breaker |
| 08/29/1978 | US4110579 Improved energy-storage operating mechanisms for circuit-interrupting structures utilizing serially-related disconnecting switch structures therewith |
| 08/29/1978 | US4109376 Method of manufacturing a circuit breaker assembly or the like |
| 08/15/1978 | CA1036703A1 Excess current switching device |
| 08/15/1978 | CA1036646A1 Electric circuit breaker |
| 08/08/1978 | US4105986 Distribution transformer secondary circuit interrupter having an improved bimetal |
| 08/01/1978 | US4104601 Direct fault tripping of circuit breaker having solid state trip means |
| 08/01/1978 | US4104466 Polymeric metal complex and method of manufacturing the same |
| 06/27/1978 | US4097831 Circuit breaker accessory tripping apparatus |
| 06/27/1978 | US4097830 Latch for contact operating mechanism |
| 06/27/1978 | US4097109 Accessory electrical connector |
| 06/13/1978 | US4095075 Visible blade switch |
| 06/06/1978 | US4093838 Circuit breaker housing, grip means and bus terminal |
| 05/30/1978 | US4092625 Single use monitors for automatic safety controls of electrically energized apparatus |
| 05/23/1978 | US4091351 Pushbutton-operated circuit breaker |
| 05/16/1978 | US4090160 Electromagnetic relay |
| 05/16/1978 | US4090159 Circuit breaker with improved trip means |
| 05/16/1978 | US4090158 Circuit breaker |
| 05/16/1978 | US4090157 Operating handle means for stacked circuit breaker modules |
| 05/16/1978 | US4090156 Circuit breaker having solid state and thermal-magnetic trip means |
| 05/16/1978 | US4090051 Energy-storage operating mechanisms for circuit-interrupting structures alone and also for circuit-interrupting structures utilizing serially-related disconnecting-switch structures therewith |
| 05/09/1978 | US4088973 Unitized combination starter |
| 05/02/1978 | US4087772 Circuit breaker |
| 04/25/1978 | US4085622 Electrical operator for circuit breakers |
| 04/18/1978 | US4085393 Circuit breaker |
| 04/04/1978 | US4083027 Pushbutton electric switch |
| 03/28/1978 | US4081642 Switch construction and operating mechanism therefor |
| 03/21/1978 | US4080582 Circuit breaker with improved trip mechanism |
| 03/14/1978 | US4079346 Mounting plate for molded case circuit breaker |
| 03/14/1978 | US4079345 Multi-pole excess current circuit breaker |
| 02/28/1978 | US4077055 Ground fault protective device |
| 02/28/1978 | US4077025 Current limiting circuit interrupter |
| 02/28/1978 | US4077024 Multi-pole circuit breaker |
| 02/21/1978 | US4075592 Electrical load outage detector |
| 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 | US4068200 Combination cover interlock and trip actuator |
| 01/03/1978 | US4066990 Electric circuit breaker |
| 01/03/1978 | US4066989 Trip unit tie bar having integral flexibly connected links |
| 12/27/1977 | US4065653 Circuit breaker mounted within an explosion-proof enclosure |
| 12/20/1977 | US4064469 Interchangeable solid state and thermal-magnetic trip units |
| 12/06/1977 | US4062052 Circuit breaker with improved delay |
| 11/15/1977 | US4058842 Control assembly for power distribution transformers |
| 11/08/1977 | US4057716 Circuit breaker trip and release type control mechanism |
| 11/01/1977 | US4056816 Light emitting diode blown circuit breaker indicator |
| 11/01/1977 | US4056797 Cradle for contact operating means |
| 10/18/1977 | US4054857 Time delay disconnect switch |
| 10/11/1977 | US4053857 Resettable electro-mechanical vacuum fuse |
| 09/20/1977 | US4050039 Magnetic trip assembly |
| 09/13/1977 | US4048608 Circuit breaker |
| 09/13/1977 | US4048599 Electric switching device |
| 08/23/1977 | US4044325 Pushbutton actuated excess current switch |
| 08/23/1977 | US4044224 Protective circuit for dishwasher heating element |
| 08/16/1977 | US4042967 Ground fault sensor |
| 08/16/1977 | US4042896 Manual and motor operated circuit breaker |
| 08/16/1977 | US4042895 Combination motor-starter and circuit breaker |
| 08/16/1977 | US4042894 Multi-pole circuit breaker system with common trip means |
| 08/16/1977 | US4042860 Combination starter-protector device |
| 08/09/1977 | US4041423 Undervoltage release for circuit breaker |
| 07/26/1977 | US4038618 Circuit breaker having thermal and solid state trip means |
| 07/19/1977 | US4037185 Ground fault circuit breaker with trip indication |
| 07/19/1977 | US4037184 Lockout and cover interlock for circuit breaker |
| 07/19/1977 | US4037183 Replaceable solid state trip unit |
| 07/05/1977 | US4034322 Device for protection against current overcharges |
| 06/28/1977 | US4032876 Ambient-compensated circuit breaker |
| 06/28/1977 | US4032875 Circuit breaker |
| 06/28/1977 | US4032869 Relay with pivoting armature |
| 06/14/1977 | US4030060 Thermally adjustable circuit breaker |
| 05/24/1977 | US4025883 Modular integral motor controller |
| 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 |
| 05/10/1977 | US4023132 Electrical circuit breakers |
| 05/10/1977 | US4023131 Electric circuit breaker with ambient temperature compensating means |
| 05/10/1977 | US4023127 Circuit breaker with contacts which are not engageable when the electrical sensing unit thereof is energized |
| 05/03/1977 | US4021678 Automatic transfer switch |
| 04/19/1977 | US4019097 Circuit breaker with solid state passive overcurrent sensing device |
| 04/05/1977 | US4016386 Circuit breaker line terminal |
| 03/22/1977 | US4013926 Circuit breaker with improved trip actuator and undervoltage release mechanism |
| 03/08/1977 | US4011423 Common reset extension for plurality of overload relays |
| 03/01/1977 | US4010431 Switch for electrical wall receptacle with ground fault protection |
| 02/15/1977 | US4008449 Electrical control device and methods of adjusting and operating |
| 02/01/1977 | US4006439 Circuit interrupter having an insulated bridging contact |
| 01/04/1977 | US4001804 Ground fault protection for electrical power distribution systems |
| 01/04/1977 | US4001743 Heavy duty automatic circuit breaker |