Patents for H01H 51 - Electromagnetic relays (5,199)
02/1982
02/16/1982US4316167 Electromagnet with a moving system and permanent magnet, especially for contactors
01/1982
01/19/1982US4311976 Polarized reed relay
01/12/1982CA1116212A1 Ac-dc magnet coil assembly for low dropout ac contactors
12/1981
12/22/1981US4307362 Electromagnetic relay
12/22/1981US4307361 Electric control apparatus with an electromechanical latch device
12/22/1981CA1114861A1 Multiple relay
12/16/1981EP0041517A1 A two position mechanism
12/10/1981WO1981003578A1 Relay for high currents
12/02/1981EP0040778A1 Polarized electromagnetic device
11/1981
11/17/1981CA1112692A1 Electromagnetic relay with two biasing springs
10/1981
10/28/1981EP0038727A1 Electromagnetic relay with a pivoting armature provided with a permanent magnet
10/13/1981US4295111 Low temperature latching solenoid
10/06/1981US4293835 Solenoid for an electric starting motor for garden tractor or the like
09/1981
09/29/1981US4292613 Flat-shaped electromagnetic relay having multiple contacts
09/29/1981US4292611 High-speed automatic tripping contactor
09/02/1981EP0034811A1 Polarized magnet system
08/1981
08/25/1981US4286244 Electromagnetic actuator for a latch relay
08/25/1981US4286241 Apparatus for mounting a reed switch
08/19/1981EP0033841A2 Relay
08/19/1981EP0033817A1 Electromagnetic relay with two synchronized armatures
07/1981
07/28/1981US4281305 Electromagnetic switching apparatus
07/22/1981EP0032331A1 Switch with wetted contacts and magnetic operation, and electric relay comprising such a switch
07/21/1981CA1105532A1 Controlled switching apparatus
07/14/1981US4279008 Relay
06/1981
06/11/1981WO1981001626A1 A two position mechanism
05/1981
05/26/1981US4270108 Bistable control switch
05/12/1981CA1101024A1 Retaining means for securing a biasing magnet in a reed relay switching assembly
04/1981
04/14/1981US4262270 Electromagnetic relay switch assembly
04/14/1981CA1099317A1 Miniature relay
04/08/1981EP0026695A1 Electromagnet with mobile equipment having a permanent magnet, particularly for a contactor
04/07/1981US4260970 Position insensitive mercury relay switch
03/1981
03/31/1981US4259652 Reversing relay for permanent magnet DC motor
03/03/1981US4254391 Split armature relay
03/03/1981US4253493 Actuators
02/1981
02/25/1981EP0024216A1 Transfer-type electromagnetic relay
02/24/1981US4253076 Contactor for control of high currents
02/17/1981US4251788 Electromagnetic solenoid operated switch, particularly starter switch for automotive engines
01/1981
01/28/1981EP0022953A1 Electromagnetic relay
01/06/1981US4243964 Electromagnetically operated switch, particularly starter switch for automotive starter motors
01/06/1981US4243963 Construction of a printed wiring card mountable reed relay
01/06/1981CA1093122A2 Electromagnetic contactor with low friction operating mechanism
12/1980
12/16/1980US4240054 Arrangement for locking a reed capsule within a magnetic latching reed switch assembly
12/09/1980US4238748 Magnetically controlled switch with wetted contact
11/1980
11/04/1980US4232281 In-line package relay
10/1980
10/28/1980US4231007 High voltage switch for cooking apparatus
10/28/1980CA1088660A1 Electrical or electromechanical components
10/21/1980US4229700 Buried reed, extra-short pulse width pulser
10/15/1980EP0017640A2 Miniature mercury-wetted reed switch
10/15/1980EP0017575A1 Contactor with rapid opening in the event of a fault
10/15/1980EP0017129A1 Polarised relay having contact blades
10/07/1980US4227231 Integral relay low voltage retentive means
09/1980
09/30/1980US4225838 Electro-magnetic relay with first and second spring biasing means
09/30/1980US4225836 Magnetic relay
09/30/1980US4225835 Electromagnetic switching relay
09/23/1980US4224588 Electric relay having multiple operational thresholds
09/17/1980EP0015389A1 Miniature relay fitted in a case
09/16/1980US4223290 Electromagnetic device of the flat package type
09/16/1980US4223289 AC-DC Magnet coil assembly for low dropout AC contactors
09/09/1980US4222020 Control winding for a magnetic latching reed relay
09/03/1980EP0015228A1 Remote controllable driving device for protective circuit-breakers with an electromagnet
09/02/1980CA1084971A1 Solenoid operated, oppositely rotated actuator
09/02/1980CA1084969A1 Electromagnetic switching apparatus including improved means for mechanically latching a contact bridge carrier
08/1980
08/19/1980US4218626 Electromagnetic relay
08/05/1980CA1083245A1 Reed switch assembly for a position indicating system
07/1980
07/29/1980US4215329 Polarized electromagnetic miniature relay
07/22/1980US4214220 Wide range magnetically biased reed switch
07/15/1980US4213108 Switch structure having parts embedded in plastic
07/15/1980CA1081740A1 Overcurrent latch for magnetic contactor
06/1980
06/24/1980CA1080285A1 Electromagnetic relay with a permanent magnet and a shunt
06/17/1980US4208643 Magnetically actuated mercury switch
06/17/1980CA1079783A1 Electromagnetic switching relay
06/03/1980US4206431 Monostable electromagnetic rotating armature relay
05/1980
05/27/1980CA1078436A1 High voltage switch for cooking apparatus
05/13/1980US4203084 Ventilated electromagnetic switch
04/1980
04/22/1980CA1076171A1 Mechanically actuable control relay
04/22/1980CA1076170A1 Cylindrical, linear, stopless mercury switch and relay
04/08/1980CA1075290A1 Printed wiring card mountable reed relay
03/1980
03/25/1980US4195276 Electromagnetic relay and method for its adjustment
03/25/1980US4195275 Multiple electromagnetic relay
03/04/1980US4191937 Electromagnet magnetic circuit with permanent-magnet armature
02/1980
02/20/1980EP0008300A1 Miniature mercury contact reed switch construction.
02/05/1980CA1071275A1 Electromagnetic solenoid relay assembly and electrical connection means therefor
01/1980
01/08/1980US4182999 Reed spring relay construction
01/08/1980US4182998 Externally adjustable electromagnetic relay
12/1979
12/04/1979US4177439 Reed relay and method of assembly
11/1979
11/27/1979US4176284 Automotive battery power circuit breaker
11/27/1979US4176241 Fluid-tight protective system for an electromechanical component
10/1979
10/16/1979CA1064554A1 Windings for magnetic latching reed relay
10/02/1979CA1063653A1 Polarized electromagnetic relay
09/1979
09/11/1979US4167716 Controlled switching apparatus
08/1979
08/21/1979CA1060928A1 Electrical contactor
08/14/1979US4164720 Mercury-wetted reed contact relay
08/09/1979WO1979000532A1 Miniature mercury contact reed switch construction
08/07/1979US4163314 Method of manufacturing an electromagnetic relay
07/1979
07/10/1979US4160965 Polarized miniature relay
07/03/1979US4160222 Monostable electromagnetic relay with permanent magnetic bias
07/03/1979CA1057801A1 Electromagnetically operated switch with a permanent magnet armature
06/1979
06/26/1979US4159455 Electromagnetic miniature relay
06/19/1979CA1056940A1 Push to start dual relay
05/1979
05/22/1979US4156220 Starter solenoid
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