Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 51 - Electromagnetic relays
Patents for H01H 51 - Electromagnetic relays (5,199)
06/1984
06/26/1984CA1169897A1 Polarized relay
06/13/1984EP0110579A2 Polar relay
06/13/1984EP0110162A2 Electromagnetic relay
06/13/1984EP0110133A1 Electromagnetic relay
06/13/1984EP0110132A1 Electromagnetic relay
05/1984
05/29/1984US4451808 Electromagnet equipped with a moving system including a permanent magnet and designed for monostable operation
05/22/1984US4450423 Magnetic switch
05/16/1984EP0108538A1 Zero crossing circuit
04/1984
04/24/1984US4445079 Electromagnetic relays
04/18/1984EP0105412A1 Electromagnetic relay
04/04/1984EP0104474A2 Circuitry in motor vehicles
03/1984
03/13/1984US4437078 Polarized electromagnetic device
03/13/1984US4437020 Electromagnetic switchgear
02/1984
02/14/1984US4431978 Coil assembly
02/14/1984CA1162218A1 Electromagnetic relay
02/08/1984EP0100165A2 Transfer-type electromagnetic relay
02/08/1984EP0099998A1 Electromagnetic switch, especially for starter devices of internal-combustion engines
02/07/1984US4430579 Electrically operated, mechanically held electrical switching device
12/1983
12/28/1983EP0097123A2 Miniature electromagnetic relay
12/21/1983EP0096387A2 Contactors
11/1983
11/23/1983EP0094753A1 Electromagnetic actuator
11/16/1983EP0094086A2 Electromagnetic relay
10/1983
10/19/1983EP0091688A1 Electromagnetic relay
10/19/1983EP0091687A1 Electromagnetic relay
10/11/1983US4408817 P. C. Board bobbin construction
09/1983
09/28/1983EP0089882A1 Active-position removable latching device for a contactor
09/28/1983EP0089670A2 Electromagnetic relay
09/20/1983US4405911 Electromagnetic relay
09/13/1983US4404533 Electromagnetic switch device
09/06/1983US4403203 Polarized electromagnetic relay
08/1983
08/24/1983EP0086697A1 Change-over device with electromagtic operation and mechanical lock
08/23/1983US4400671 Magnetically controlled mercury wetted switch and electrical relay incorporating such a switch
08/23/1983CA1152544A1 Electromagnetically operated control device having auxiliary contacts
08/23/1983CA1152301A1 Method for manufacturing electric switching block of electromagnetic relay
08/17/1983EP0086121A1 Monostably functioning electromagnet having a permanent magnet armature
08/16/1983CA1152132A1 Electromagnetic relay
08/09/1983US4398165 Electromagnetic device
07/1983
07/12/1983CA1149845A1 Electromagnetically operated switch
06/1983
06/22/1983EP0081605A1 Bistable magnetic device
06/21/1983US4389626 Electromagnetic relay with adjustable contacts in a closed contact chamber
06/21/1983US4388757 Method for manufacturing electric switching block of electromagnetic relay
06/15/1983EP0081164A1 Electromagnetic relay
06/14/1983US4388535 Electric power interrupting switch
06/14/1983CA1148196A1 Electric control apparatus with an electromechanical latch device
05/1983
05/31/1983US4386338 Remote control system
05/11/1983EP0078324A1 Polarized electromagnetic relay
05/10/1983US4383232 Low profile relay
05/03/1983US4382242 Solenoid operated electrical switch
05/03/1983CA1145797A1 Electromagnetic relay having two synchronized armatures
04/1983
04/26/1983CA1145381A1 Low voltage transformer relay
04/20/1983EP0077017A2 Polarised electromagnetic relay
04/19/1983US4380748 Bobbins for electrical coils
04/14/1983WO1983001343A1 Small size bistable electromagnetic switch element
03/1983
03/23/1983EP0074577A1 Polarised electromagnetic relay
03/22/1983US4377796 Electric control device
03/22/1983CA1143413A1 Construction of a printed wiring card mountable reed relay
03/02/1983EP0072976A1 Polarised electromagnetic relay
03/02/1983EP0072975A1 Electromagnetic relay
01/1983
01/26/1983EP0070716A2 Electromagnetic relay
01/18/1983CA1139807A1 Polarized electromagnetic relay
01/18/1983CA1139806A1 Electromagnetic relay
01/05/1983EP0068391A2 Miniaturised polarised electromagnetic relay
01/05/1983EP0068280A2 Magnetically operated electrical contact arrangement
01/04/1983US4367449 Magnetomechanical converter
01/04/1983US4367447 Electromagnetic relay having a pivoted armature fitted with a permanent magnet
12/1982
12/28/1982US4366459 Miniature magnetic latch relay
12/28/1982CA1138499A1 Contact spring arrangement for an electromagnetic relay
11/1982
11/23/1982US4360847 Diode assisted relay contactor
11/23/1982CA1136180A1 Electromagnetic switching apparatus
11/23/1982CA1136178A1 Electromagnet with a moving system and permanent magnet, especially for contactors
11/11/1982WO1982003944A1 Polarized electromagnetic relay
10/1982
10/26/1982US4356466 Electromagnetic solenoid relay
10/26/1982US4356465 Electric contact switching device
10/13/1982EP0062332A2 Electromagnetic relay
10/12/1982US4353632 Electromagnetically driven shutter device
10/05/1982CA1133032A1 Transfer-type electromagnetic relay comprising a coil around a housing of the relay and an armature carrying movable contacts at both ends
09/1982
09/29/1982EP0061383A1 Switch with indifferent working position and its application to a relay
09/29/1982EP0061382A1 Electromagnetic relay with indifferent working position
08/1982
08/25/1982EP0058374A2 Magnetic switch
08/25/1982EP0058235A2 Electromagnetic switching device
08/24/1982US4346359 Relay
08/10/1982US4344103 Electromagnetic relay
08/04/1982EP0056840A1 Electromagnetic relay
08/03/1982CA1128977A1 Polarized reed relay
07/1982
07/27/1982US4342016 Transfer-type electromagnetic relay comprising a coil around a housing of the relay and an armature carrying movable contacts at both ends
07/21/1982EP0056085A1 Polarised electromagnetic relay
07/13/1982US4339735 Electromagnetic relay
07/13/1982US4339734 Encased miniature relay
05/1982
05/18/1982US4330771 Pendulum switch
05/12/1982EP0051255A1 An electromagnetic device
05/11/1982US4329670 Mercury reed switch
05/04/1982US4328476 Electromagnetic relay having two synchronized armatures
04/1982
04/27/1982CA1122630A1 Arrangement for locking a reed capsule within a magnetic latching reed switch assembly
04/27/1982CA1122629A1 Control winding for a magnetic latching reed relay
04/21/1982EP0008300B1 Miniature mercury contact reed switch construction
04/13/1982US4325043 Polarized magnet system
04/07/1982EP0049088A2 Electromagnetic relay
03/1982
03/30/1982CA1120978A1 Contactor with electro-magnet having removalbe non-movable contacts
03/23/1982US4321652 Low voltage transformer relay
02/1982
02/23/1982US4317094 Remotely controlled circuit breaker system
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