Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 50 - Details of electromagnetic relays
Patents for H01H 50 - Details of electromagnetic relays (9,923)
09/1978
09/05/1978US4112399 Miniature relay
08/1978
08/29/1978CA1037532A1 Electromagnetic relay
08/22/1978US4109222 Relay and rf adaptor assembly
08/22/1978US4109219 Electromagnetic switching device
08/22/1978CA1037086A1 contactor
08/08/1978US4105904 Electromagnetic actuators
08/08/1978US4105828 Telecommunications, rhenium, tungsten, molybdenum and alloys thereof, alloys of silver and palladium
08/01/1978US4104602 Pneumatic timer
07/1978
07/18/1978US4101856 Electrical switching relay construction and housing therefor
07/18/1978US4101855 Miniature relay
07/11/1978US4100517 Electrical contactors
06/1978
06/27/1978US4097832 Relay with manually releasable latch
06/20/1978US4096460 Relay
06/13/1978US4095200 Contactor having reduced contact bounce and shorter arc time
06/13/1978US4095124 Transformer/switch device
05/1978
05/30/1978US4092620 Electrical connection for the moving contacts of a relay
05/23/1978US4091346 Reed relay
05/16/1978US4090160 Electromagnetic relay
05/16/1978US4090097 Electromagnetic devices
05/02/1978US4087770 Industrial relay
05/02/1978US4087667 Double-throw contact
04/1978
04/25/1978US4086550 Relay
04/04/1978US4083024 Miniature relay
04/04/1978US4083023 Contact spring pile-up assembly
03/1978
03/28/1978US4081775 Apparatus for damping the bouncing or chatter of relay armatures in the releasing position
03/21/1978US4080584 Apparatus for electromagnetic relay
03/07/1978US4078220 Contactor having means to inhibit contact welding caused by jamming of the armature
03/07/1978US4078219 Overcurrent latch for magnetic contactor
03/07/1978US4078218 Magnetic contactor
02/1978
02/21/1978US4075586 Electromagnetic relay
02/21/1978US4075585 Electromagnetic relay and the manufacture thereof
02/07/1978US4072389 Stacked, plug-in relays
01/1978
01/31/1978US4071835 Relay contact carrier coated with an antistatic material
01/03/1978US4066859 Switching device
12/1977
12/13/1977US4063203 Reed switch
12/06/1977US4061994 Miniature relay with bearing supports associated with the housing
11/1977
11/29/1977US4060847 Cooling arrangement for electrical power contactor
11/15/1977US4058783 Rapid action relay
11/15/1977US4058781 Double pole contact operating mechanism
11/01/1977US4056799 Housing for securing a damping compression spring in an electromagnetic switching apparatus
10/1977
10/11/1977US4053858 Magnet system for an electromagnetic relay
10/04/1977US4052581 Switch with movable and fixed contacts
09/1977
09/20/1977US4050043 Electromagnetic system
09/13/1977US4048601 Switch mounting assembly for an electromagnetic relay
09/13/1977US4048600 Contact system for relays, particularly power relays
08/1977
08/30/1977US4045755 Armature mounting means for an electromagnetic relay
08/30/1977US4045752 Compact electromagnetic relay, particularly for automotive vehicles
08/23/1977US4044322 Electromagnetic solenoid relay assembly and electrical connection means therefor
08/16/1977US4042964 Motor protection circuit
08/16/1977US4042799 Damping of contacts
08/16/1977US4042798 Mounting device for compression spring
08/09/1977US4041542 Control apparatus for two-speed compressor
08/09/1977US4041426 Miniature armature relay
08/09/1977US4041425 Miniature low profile relay
08/09/1977US4040382 Indicator for relay or the like
07/1977
07/26/1977US4038619 Pneumatic timer
07/05/1977US4034323 Magnetic relay
06/1977
06/28/1977US4032871 Carrier for circuit elements having contact-making terminals
06/28/1977US4032869 Relay with pivoting armature
06/28/1977US4032735 Contact unit
06/21/1977US4031493 Miniature low profile relay
05/1977
05/31/1977US4027131 Spring contact assembly
05/24/1977US4025884 Relay construction
05/24/1977US4025820 Contactor device including arc supression means
05/03/1977US4021631 Electrical header device
04/1977
04/26/1977US4020437 Relay having two winding supports
04/26/1977US4020435 Hinged armature relay
04/26/1977US4020434 Polarized electromagnetic relay and method of manufacturing the same
04/19/1977US4019165 Miniature relay device
04/05/1977USRE29174 Pressurized relay assembly
03/1977
03/29/1977US4015225 Encapsulated electromechanical relay
03/08/1977US4011534 Magnetic relay
03/01/1977US4010433 Electromagnetic relay
02/1977
02/22/1977US4009457 Electro-magnetic contactor
02/15/1977US4008447 Miniature electrical relay
02/01/1977US4006440 Terminal structure for electromagnetic contactor
02/01/1977US4006322 Auxiliary interlock switch with interchangeable and reversible chisel-shaped contacts and spring biasing mechanism
01/1977
01/18/1977US4004260 Power relay
01/18/1977US4004198 Primary control system for furnaces and method of making the same
01/11/1977US4003011 Electromechanical switching device
12/1976
12/21/1976US3999156 Bistable magnetic switch comprising strip contacts
12/14/1976US3997859 Intermittent load energizer assembly
11/1976
11/23/1976US3993971 Electromagnetic relay
11/23/1976US3993883 Contact spring set
10/1976
10/19/1976US3987384 Arrangement for coupling an armature to the contact-bridge carrier
10/19/1976US3987383 Electromagnetic switching device
10/12/1976US3985982 Light switch actuating device
10/05/1976US3984794 Reed contact unit
09/1976
09/28/1976US3983520 Solenoid electromagnet having a wide, controlled stroke
09/28/1976US3983519 Electromagnet
09/21/1976US3982137 Arc suppressor circuit
09/14/1976US3980978 Electromagnetic relay
09/07/1976US3979705 Automotive relay of the hold-in type
08/1976
08/31/1976US3978439 Relay construction
08/31/1976US3978382 Control apparatus for two-speed, single phase compressor
07/1976
07/20/1976US3970978 Electromagnet
07/20/1976US3970977 Arrangement for mounting the non-switching magnet part
06/1976
06/15/1976US3964007 Noiseless automotive relay
06/15/1976US3964006 Electrical apparatus
06/15/1976US3964005 Electro-magnetic assembly
1 ... 89 90 91 92 93 94 95 96 97 98 99 100