Patents for H01H 50 - Details of electromagnetic relays (9,923) |
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09/05/1978 | US4112399 Miniature relay |
08/29/1978 | CA1037532A1 Electromagnetic relay |
08/22/1978 | US4109222 Relay and rf adaptor assembly |
08/22/1978 | US4109219 Electromagnetic switching device |
08/22/1978 | CA1037086A1 contactor |
08/08/1978 | US4105904 Electromagnetic actuators |
08/08/1978 | US4105828 Telecommunications, rhenium, tungsten, molybdenum and alloys thereof, alloys of silver and palladium |
08/01/1978 | US4104602 Pneumatic timer |
07/18/1978 | US4101856 Electrical switching relay construction and housing therefor |
07/18/1978 | US4101855 Miniature relay |
07/11/1978 | US4100517 Electrical contactors |
06/27/1978 | US4097832 Relay with manually releasable latch |
06/20/1978 | US4096460 Relay |
06/13/1978 | US4095200 Contactor having reduced contact bounce and shorter arc time |
06/13/1978 | US4095124 Transformer/switch device |
05/30/1978 | US4092620 Electrical connection for the moving contacts of a relay |
05/23/1978 | US4091346 Reed relay |
05/16/1978 | US4090160 Electromagnetic relay |
05/16/1978 | US4090097 Electromagnetic devices |
05/02/1978 | US4087770 Industrial relay |
05/02/1978 | US4087667 Double-throw contact |
04/25/1978 | US4086550 Relay |
04/04/1978 | US4083024 Miniature relay |
04/04/1978 | US4083023 Contact spring pile-up assembly |
03/28/1978 | US4081775 Apparatus for damping the bouncing or chatter of relay armatures in the releasing position |
03/21/1978 | US4080584 Apparatus for electromagnetic relay |
03/07/1978 | US4078220 Contactor having means to inhibit contact welding caused by jamming of the armature |
03/07/1978 | US4078219 Overcurrent latch for magnetic contactor |
03/07/1978 | US4078218 Magnetic contactor |
02/21/1978 | US4075586 Electromagnetic relay |
02/21/1978 | US4075585 Electromagnetic relay and the manufacture thereof |
02/07/1978 | US4072389 Stacked, plug-in relays |
01/31/1978 | US4071835 Relay contact carrier coated with an antistatic material |
01/03/1978 | US4066859 Switching device |
12/13/1977 | US4063203 Reed switch |
12/06/1977 | US4061994 Miniature relay with bearing supports associated with the housing |
11/29/1977 | US4060847 Cooling arrangement for electrical power contactor |
11/15/1977 | US4058783 Rapid action relay |
11/15/1977 | US4058781 Double pole contact operating mechanism |
11/01/1977 | US4056799 Housing for securing a damping compression spring in an electromagnetic switching apparatus |
10/11/1977 | US4053858 Magnet system for an electromagnetic relay |
10/04/1977 | US4052581 Switch with movable and fixed contacts |
09/20/1977 | US4050043 Electromagnetic system |
09/13/1977 | US4048601 Switch mounting assembly for an electromagnetic relay |
09/13/1977 | US4048600 Contact system for relays, particularly power relays |
08/30/1977 | US4045755 Armature mounting means for an electromagnetic relay |
08/30/1977 | US4045752 Compact electromagnetic relay, particularly for automotive vehicles |
08/23/1977 | US4044322 Electromagnetic solenoid relay assembly and electrical connection means therefor |
08/16/1977 | US4042964 Motor protection circuit |
08/16/1977 | US4042799 Damping of contacts |
08/16/1977 | US4042798 Mounting device for compression spring |
08/09/1977 | US4041542 Control apparatus for two-speed compressor |
08/09/1977 | US4041426 Miniature armature relay |
08/09/1977 | US4041425 Miniature low profile relay |
08/09/1977 | US4040382 Indicator for relay or the like |
07/26/1977 | US4038619 Pneumatic timer |
07/05/1977 | US4034323 Magnetic relay |
06/28/1977 | US4032871 Carrier for circuit elements having contact-making terminals |
06/28/1977 | US4032869 Relay with pivoting armature |
06/28/1977 | US4032735 Contact unit |
06/21/1977 | US4031493 Miniature low profile relay |
05/31/1977 | US4027131 Spring contact assembly |
05/24/1977 | US4025884 Relay construction |
05/24/1977 | US4025820 Contactor device including arc supression means |
05/03/1977 | US4021631 Electrical header device |
04/26/1977 | US4020437 Relay having two winding supports |
04/26/1977 | US4020435 Hinged armature relay |
04/26/1977 | US4020434 Polarized electromagnetic relay and method of manufacturing the same |
04/19/1977 | US4019165 Miniature relay device |
04/05/1977 | USRE29174 Pressurized relay assembly |
03/29/1977 | US4015225 Encapsulated electromechanical relay |
03/08/1977 | US4011534 Magnetic relay |
03/01/1977 | US4010433 Electromagnetic relay |
02/22/1977 | US4009457 Electro-magnetic contactor |
02/15/1977 | US4008447 Miniature electrical relay |
02/01/1977 | US4006440 Terminal structure for electromagnetic contactor |
02/01/1977 | US4006322 Auxiliary interlock switch with interchangeable and reversible chisel-shaped contacts and spring biasing mechanism |
01/18/1977 | US4004260 Power relay |
01/18/1977 | US4004198 Primary control system for furnaces and method of making the same |
01/11/1977 | US4003011 Electromechanical switching device |
12/21/1976 | US3999156 Bistable magnetic switch comprising strip contacts |
12/14/1976 | US3997859 Intermittent load energizer assembly |
11/23/1976 | US3993971 Electromagnetic relay |
11/23/1976 | US3993883 Contact spring set |
10/19/1976 | US3987384 Arrangement for coupling an armature to the contact-bridge carrier |
10/19/1976 | US3987383 Electromagnetic switching device |
10/12/1976 | US3985982 Light switch actuating device |
10/05/1976 | US3984794 Reed contact unit |
09/28/1976 | US3983520 Solenoid electromagnet having a wide, controlled stroke |
09/28/1976 | US3983519 Electromagnet |
09/21/1976 | US3982137 Arc suppressor circuit |
09/14/1976 | US3980978 Electromagnetic relay |
09/07/1976 | US3979705 Automotive relay of the hold-in type |
08/31/1976 | US3978439 Relay construction |
08/31/1976 | US3978382 Control apparatus for two-speed, single phase compressor |
07/20/1976 | US3970978 Electromagnet |
07/20/1976 | US3970977 Arrangement for mounting the non-switching magnet part |
06/15/1976 | US3964007 Noiseless automotive relay |
06/15/1976 | US3964006 Electrical apparatus |
06/15/1976 | US3964005 Electro-magnetic assembly |