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)
12/1981
12/22/1981US4307362 Electromagnetic relay
12/22/1981US4307361 Electric control apparatus with an electromechanical latch device
12/22/1981US4307358 Electromagnetic contactor is fitted with an electromagnet sensitive to over-currents, to cause the limitation and cut-off of excess currents
12/22/1981CA1114861A1 Multiple relay
12/10/1981WO1981003578A1 Relay for high currents
12/02/1981EP0040767A2 Use of nickel-cobalt sintered materials for electrical relay contacts
11/1981
11/24/1981US4302742 Electromagnetic relay with high contact rating and improved insulation
11/24/1981US4302650 Circuit interrupter with optical indicator
11/18/1981EP0039868A1 Casing for an electromagnetic relay
11/18/1981EP0039758A1 Electromagnetic control device for remotely controlling electric switches and the like
11/17/1981CA1112693A1 Electromagnetically operated contactor with convertible contact modules
11/17/1981CA1112692A1 Electromagnetic relay with two biasing springs
11/10/1981CA1112271A1 Electromagnetic contactor, with electromagnet reacting to overvoltage to limit and exclude overcurrents
11/03/1981CA1111902A1 Ac type electromagnetic device
10/1981
10/28/1981EP0038727A1 Electromagnetic relay with a pivoting armature provided with a permanent magnet
10/21/1981EP0037921A1 Device for a connecting terminal for the end of the winding of an inductive coil arranged in an electromagnetic switchgear
10/20/1981US4296393 Contact spring arrangement for an electromagnetic relay
10/06/1981US4293835 Solenoid for an electric starting motor for garden tractor or the like
09/1981
09/30/1981EP0036432A1 Contactor, particularly a power or control or starter contactor
09/29/1981US4292614 Electromagnetic relay
09/29/1981US4292613 Flat-shaped electromagnetic relay having multiple contacts
09/29/1981CA1109911A1 Relay latching apparatus
09/29/1981CA1109907A1 Electromagnatic relay with double cut-off contacts
09/29/1981CA1109906A1 Magnetic latch device for a clapper type contactor
09/23/1981EP0036027A1 Contactor
09/15/1981US4290037 Flat electromagnetic relay
08/1981
08/25/1981US4286243 Electrical switch constructions and methods of making the same
08/19/1981EP0033841A2 Relay
08/19/1981EP0033817A1 Electromagnetic relay with two synchronized armatures
08/18/1981CA1107327A1 Relay operating electromagnet comprising plural coils mounted on a u-shaped core and a free-floating armature
07/1981
07/21/1981CA1105533A1 Contactor with offset rows of terminals facilitating wiring
07/14/1981US4279008 Relay
06/1981
06/09/1981US4272746 Four pole double throw relay
06/09/1981US4272745 Electromagnetic relay
06/09/1981CA1102905A1 Housing assembly for an electromagnetic relay
06/02/1981CA1102376A1 Low current electromagnetic relay
05/1981
05/19/1981CA1101470A1 Magnetic contactor with latch
05/12/1981US4267540 Hinge-type electromagnetic relay
05/06/1981EP0027894A2 Flap-armature electromagnet
05/05/1981CA1100557A1 Contactor having interlock for movable contact carrier
04/1981
04/29/1981EP0027591A1 Electromagnetic relay
04/28/1981US4264885 Electromagnetic relay
04/14/1981US4262179 Contact bridge arrangement
04/14/1981CA1099317A1 Miniature relay
04/08/1981EP0026231A1 Method of manufacturing gas-filled electric switch
04/07/1981US4260973 Plug-in electromagnetic relay
04/07/1981US4260972 Electromechanical relay apparatus
04/07/1981US4260971 Electromagnetic relay comprising positively guided contacts
04/01/1981EP0025915A1 Locking device for contact supports
03/1981
03/31/1981US4259652 Reversing relay for permanent magnet DC motor
03/24/1981US4258344 Small-sized power relay
03/03/1981US4254392 Electromagnetic relay
03/03/1981US4254391 Split armature relay
03/03/1981US4254316 Electrical switching apparatus
02/1981
02/24/1981US4253076 Contactor for control of high currents
02/17/1981US4251788 Electromagnetic solenoid operated switch, particularly starter switch for automotive engines
02/10/1981US4250477 Mechanical latch apparatus
02/03/1981CA1095133A1 Connecting means having flexible conductors between base terminals and body terminals
01/1981
01/28/1981EP0022953A1 Electromagnetic relay
01/20/1981US4246559 Electro-magnetic relay structure
01/20/1981US4246437 Sealing apertures through which electrical terminals protrude
01/20/1981CA1094134A1 Three pole electromagnet
01/07/1981EP0021976A1 Electromagnetic relay
01/07/1981EP0021122A1 Housing for electrical switching apparatuses
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
12/1980
12/30/1980CA1092685A1 Control apparatus for two-speed single phase compressor
12/09/1980US4238698 Electromagnetic devices
12/02/1980US4237439 Release electromagnet assembly
12/02/1980US4237345 Transformer with integral reed contact
11/1980
11/25/1980US4236132 Electromagnetic switch means for a flow control device and the like having reduced shock levels
11/25/1980CA1090398A1 Magnetically operated low reluctance mercury switch relay
11/14/1980EP0016196A4 A magnetic latch device for a clapper type contactor.
11/11/1980US4233585 Plunger type electromagnet
11/04/1980US4232281 In-line package relay
10/1980
10/29/1980EP0018313A1 Housing for a signalisation-control relay
10/21/1980US4229719 Contactor
10/21/1980CA1088134A1 Electromagnetic switching apparatus having electrically separated contact elements
10/15/1980EP0017640A2 Miniature mercury-wetted reed switch
10/15/1980EP0016980A1 Electromagnetic relay for high commutation charges
10/14/1980US4228483 Sequential control electrical chain comprising assembled coupling connector modules
10/14/1980US4228412 Electrical switching apparatus and energizing circuits therefor
10/14/1980CA1087723A1 Solid state timer for sealed contact relay
10/07/1980US4227231 Integral relay low voltage retentive means
10/07/1980US4227162 Electromagnet relay with specific housing structure
10/01/1980EP0016196A1 A magnetic latch device for a clapper type contactor.
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
09/30/1980CA1086849A1 Arc suppressor circuit
09/17/1980EP0015389A1 Miniature relay fitted in a case
09/16/1980US4223370 Pluggable miniature relay
09/16/1980US4223290 Electromagnetic device of the flat package type
09/16/1980US4223289 AC-DC Magnet coil assembly for low dropout AC contactors
09/09/1980CA1085435A1 Electromagnetically operated dc contactor
09/03/1980EP0015228A1 Remote controllable driving device for protective circuit-breakers with an electromagnet
09/02/1980US4220937 Electromechanical relay with manual override control
09/02/1980US4220934 Current limiting circuit breaker with integral magnetic drive device housing and contact arm stop
09/02/1980CA1084971A1 Solenoid operated, oppositely rotated actuator
09/02/1980CA1084969A1 Electromagnetic switching apparatus including improved means for mechanically latching a contact bridge carrier
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