| Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450) |
|---|
| 01/13/1981 | US4245140 Manual and motor operated circuit breaker |
| 01/07/1981 | EP0021319A1 High voltage current relay |
| 12/30/1980 | US4242658 Magnetic actuator using modulated flux |
| 12/16/1980 | US4240123 Power breaker system |
| 12/16/1980 | US4240055 Release type electromagnetic device for camera |
| 12/10/1980 | EP0020312A1 Single-pole circuit breaker |
| 12/10/1980 | EP0020311A1 Trip lamina for single-pole circuit breakers |
| 12/09/1980 | US4238750 Mechanical trip device for a circuit breaker |
| 12/09/1980 | US4238749 High inrush current circuit breaker |
| 12/02/1980 | US4237436 Circuit breaker having a modified armature for time delays at high transient currents |
| 11/25/1980 | US4236136 Tripping device for an overload circuit breaker |
| 11/25/1980 | US4236128 Ground fault receptacle |
| 11/18/1980 | CA1089970A1 Circuit breaker adapter |
| 11/14/1980 | EP0016196A4 A magnetic latch device for a clapper type contactor. |
| 11/12/1980 | EP0018553A1 Modular circuit breaker |
| 11/04/1980 | US4232282 Circuit breaker having means to facilitate assembly thereof |
| 10/29/1980 | EP0017817A1 Auxiliary switch for protective circuit-breaking switches |
| 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 | US4231006 Circuit breaker having a thermally responsive latching member |
| 10/28/1980 | CA1088599A1 Multi-pole circuit breaker in which each pole has a two-part molded case |
| 10/21/1980 | US4229775 Circuit breaker magnetic trip device with time delay |
| 10/14/1980 | CA1087661A1 Circuit breaker with high speed trip latch |
| 10/07/1980 | US4227169 Combined thermal and electrical cut-off device |
| 10/01/1980 | EP0016196A1 A magnetic latch device for a clapper type contactor. |
| 09/30/1980 | US4225838 Electro-magnetic relay with first and second spring biasing means |
| 09/16/1980 | CA1085908A1 Control assembly for power distribution transformers |
| 09/09/1980 | US4222019 Circuit breaker with manual release |
| 09/03/1980 | EP0015228A1 Remote controllable driving device for protective circuit-breakers with an electromagnet |
| 09/02/1980 | US4220935 Current limiting circuit breaker with high speed magnetic trip device |
| 08/26/1980 | US4219713 Circuit breaker with high speed trip latch |
| 08/19/1980 | US4218596 Circuit breaker molded housing |
| 07/29/1980 | US4215328 Circuit breaker having an electronic fault sensing and trip initiating unit |
| 07/23/1980 | EP0013642A1 Low voltage current limiting circuit breaker |
| 07/23/1980 | EP0013320A1 Electrical main line protection switch serving as group protection switch |
| 07/23/1980 | EP0013280A1 Selectively acting thermal circuit breaker, method for its release and its use for electrical protection |
| 07/15/1980 | US4213109 Electromagnetic tripping device |
| 07/15/1980 | CA1081767A1 Ground fault receptacle with unitary support of gfci module and switching mechanism |
| 07/15/1980 | CA1081747A1 Stored energy circuit breaker |
| 07/09/1980 | EP0012812A1 Magnetic modulated-flux actuator |
| 07/08/1980 | US4211989 Circuit breaker bell alarm and lockout accessory apparatus |
| 07/08/1980 | US4211907 Setting mechanism with detent steps for tripping devices of electrical switch gear |
| 07/08/1980 | US4211906 Rotary actuating device for low-voltage circuit breakers with toggle lever |
| 07/01/1980 | US4210887 Circuit interrupter with interlocked interchangeable trip unit |
| 06/25/1980 | EP0012451A1 Selective protection device |
| 06/24/1980 | US4209817 Circuit breaker having an electronic fault sensing and trip initiating unit |
| 06/24/1980 | US4209761 Circuit breaker auxiliary switch apparatus |
| 06/24/1980 | US4209760 Circuit breaker and accessory devices therefor |
| 06/24/1980 | CA1080285A1 Electromagnetic relay with a permanent magnet and a shunt |
| 06/17/1980 | US4208693 Circuit breaker having an electronic fault sensing and trip initiating unit |
| 06/17/1980 | US4208689 Circuit breaker having an electronic fault sensing and trip initiating unit |
| 06/10/1980 | CA1079357A1 Ground fault protector with interchangeable rating plug |
| 06/03/1980 | US4206430 Bipolar protective switch |
| 06/03/1980 | US4206335 Low voltage circuit breaker having a two part insulating housing |
| 05/27/1980 | US4205293 Thermoelectric switch |
| 05/27/1980 | CA1078441A1 Stored-energy operating device for an electric circuit breaker |
| 05/27/1980 | CA1078440A1 Stored-energy operating means for an electric circuit breaker |
| 05/27/1980 | CA1078437A1 Bimetal overload relay |
| 05/27/1980 | CA1078435A1 Combined electric motor starter and overload protector |
| 05/20/1980 | CA1077995A1 Operating handle means for stacked circuit breaker modules |
| 05/14/1980 | EP0010678A1 Switch latch with a toggle lever |
| 05/13/1980 | US4203083 Operating mechanism for a circuit interrupting device |
| 05/13/1980 | CA1077552A1 Circuit interrupter including low friction latch |
| 05/13/1980 | CA1077550A1 Circuit breaker with improved latch mechanism |
| 05/13/1980 | CA1077545A1 Combination motor-starter and circuit breaker |
| 05/06/1980 | CA1077105A1 Energy-storing operating mechanism for circuit-interrupting structures |
| 04/29/1980 | CA1076628A1 Manual and motor operated circuit breaker |
| 04/22/1980 | CA1076177A1 Light emitting diode blown circuit breaker indicator |
| 04/22/1980 | CA1076176A1 Toggle lever switching mechanism for an automatic switching apparatus including a low-voltage tripping device |
| 04/22/1980 | CA1076175A1 Combination cover interlock and trip actuator |
| 04/15/1980 | CA1075748A1 Calibrated electrical motor switch |
| 04/15/1980 | CA1075746A1 Static trip molded case circuit breaker including trip interlock |
| 04/15/1980 | CA1075741A1 Distribution transformer secondary circuit interrupter having an improved bimetal |
| 04/08/1980 | US4197519 Circuit breaker having cam surfaces on the trip member |
| 04/08/1980 | CA1075291A1 Bipolar protective switch |
| 04/02/1980 | EP0009454A1 Circuit breaker with an electrodynamic tripping device |
| 04/02/1980 | EP0009156A1 Circuit-breaker with an additional blow-out loop |
| 03/25/1980 | CA1074370A1 Circuit breaker motor and handle clutch |
| 03/19/1980 | EP0008989A1 Low voltage electric circuit breaker with auxiliary actuating units |
| 03/18/1980 | CA1073951A1 Mounting plate for molded case circuit breaker |
| 03/06/1980 | WO1980000391A1 A magnetic latch device for a clapper type contactor |
| 03/05/1980 | EP0008583A1 Indicator for blown circuit breaker |
| 03/05/1980 | EP0008558A1 Circuit breaker with a movable contact pivotally mounted on a movable latch member |
| 03/04/1980 | CA1073013A2 Unitized motor starter |
| 02/20/1980 | EP0008026A1 Electric full-protection circuit breaker |
| 02/19/1980 | US4189698 Resettable thermal cut-off fuse |
| 02/19/1980 | CA1072164A1 Modular integral motor controller |
| 02/05/1980 | US4187482 Multiple capacity circuit breaker |
| 02/05/1980 | CA1071273A1 Unitized motor starter |
| 01/29/1980 | CA1070739A1 Cam operated switch with tiltable operating lever |
| 01/23/1980 | EP0007283A1 Circuit breaker with removable release unit |
| 01/23/1980 | EP0006962A1 Driving device for a low-voltage power circuit breaker |
| 01/22/1980 | CA1070363A1 Cradle for contact operating means |
| 01/22/1980 | CA1070362A1 Latch for contact operating mechanism |
| 01/22/1980 | CA1070360A1 Circuit breaker with thermal and magnetic trip means |
| 01/09/1980 | EP0006829A1 Magnetic trip device for fault current protective circuit breaker |
| 01/09/1980 | EP0006737A1 Thermal-magnetic circuit breaker |
| 01/09/1980 | EP0006637A1 Multipolar current-limiting circuit breaker |
| 01/01/1980 | US4181922 Circuit interrupter with improved adjustable trip unit |
| 01/01/1980 | US4181906 Circuit interrupter with interlocked removable trip unit |