| Patents for H01H 50 - Details of electromagnetic relays (9,923) |
|---|
| 06/06/1989 | US4837538 Electromagnetic relay |
| 05/31/1989 | EP0317660A1 Contactor |
| 05/30/1989 | US4835502 Secure magnet blowout mounting for relays |
| 05/30/1989 | US4834680 Terminal structure for a coil |
| 05/24/1989 | EP0316455A1 Production of contact block |
| 05/24/1989 | EP0316363A1 Electromagnetic switch, in particular for cranking devices of internal combustion engines. |
| 05/23/1989 | US4833565 Electromagnetic contactor with algorithm controlled closing system |
| 05/18/1989 | WO1989004544A1 Locking device for switchgear with electromagnetic drive |
| 05/16/1989 | US4831349 Switching device |
| 05/11/1989 | DE3736617A1 Device for displaying a specific position of a structural element which can be moved inside a building |
| 05/03/1989 | EP0313954A1 Interlocking arrangement for two switching devices especially protective contactors |
| 05/02/1989 | US4827234 Electromagnetic relay |
| 05/02/1989 | US4827232 Relay, particularly miniature relay |
| 05/02/1989 | US4826131 Electrically controllable valve etched from silicon substrates |
| 05/02/1989 | CA1253539A1 Polarized electromagnetic actuator device |
| 04/27/1989 | DE3733895A1 Electrical switching apparatus having an electromagnetic switch drive |
| 04/26/1989 | CN1032604A Magnetic trip device with knife-blade articulation |
| 04/25/1989 | US4825180 Solenoid switch for use in engine starter motor |
| 04/25/1989 | US4825179 Electromagnetic relay with pivotable armature |
| 04/19/1989 | CN2036325U Protection switch for electric motor lacking phase |
| 04/11/1989 | US4820205 Terminal structure for a coil |
| 04/11/1989 | CA1252500A1 Switch contact element retaining means and method of assembly |
| 04/05/1989 | EP0310091A2 Electromagnetic relay |
| 04/05/1989 | CN1003824B Magnetically operated circuit breaker |
| 04/04/1989 | US4818965 Electromagnetic relay |
| 03/30/1989 | DE3830817A1 Electromagnetic switch |
| 03/29/1989 | EP0308819A2 Electromagnetic relay |
| 03/29/1989 | EP0308764A1 Electromagnetic switch apparatus |
| 03/29/1989 | EP0308547A2 Electromagnetic relay with light signalling device |
| 03/29/1989 | EP0308546A2 Switchable electromagnetic pulse relay |
| 03/28/1989 | US4816794 Electromagnetic relay |
| 03/28/1989 | US4816793 Solenoid with alternate current path for direct mounting on engines |
| 03/28/1989 | CA1251816A1 Electromagnetic apparatus combined a pair of contactors into one unit |
| 03/22/1989 | EP0307431A1 Process and interval switch with a circuit arrangement for controlling the wiping interval of motor vehicle windscreen wipers |
| 03/21/1989 | US4814944 Mounting structure for surface mounted type component with projection extending down from lower surface thereof and method of mounting a surface mounted type component on a printed circuit board |
| 03/21/1989 | CA1251495A1 Electromagnetic contactor |
| 03/14/1989 | US4812794 Electrical relay apparatus |
| 03/08/1989 | EP0306383A1 Magnetic tripper with knife articulation |
| 03/08/1989 | EP0306013A2 Electromagnetic relay with an operation indicating member |
| 03/08/1989 | CN2033943U Discharger without electric arc |
| 03/07/1989 | US4811157 Electromagnetic relay with light signaling device |
| 03/07/1989 | US4810831 Housing for an electrical component, and method for sealing same |
| 02/21/1989 | CA1250335A1 Polarized electromagnetic relay |
| 02/15/1989 | EP0303210A2 Protection device for an electromagnetic drive of a switch gear |
| 02/15/1989 | EP0303054A2 Electromagnetic drive and polarized relay |
| 02/08/1989 | CN1031000A High sensitive electromagnetic trip device and their method for production |
| 02/07/1989 | US4803589 Electromagnetic relay |
| 02/07/1989 | US4803451 Technique for calibrating an electromagnetic relay |
| 02/02/1989 | DE3823852A1 Relay |
| 02/02/1989 | DE3823851A1 Armature bearing for an electromagnetic relay |
| 02/02/1989 | DE3823830A1 Relay |
| 02/02/1989 | DE3823829A1 Relay |
| 02/02/1989 | DE3823828A1 Relay |
| 02/01/1989 | EP0301935A1 Highly sensitive electromagnetic tripping device and production thereof |
| 02/01/1989 | CN1003199B Polarized electromagnetic actuator device |
| 01/31/1989 | US4801908 Small relay for automated assembly |
| 01/24/1989 | US4800352 Electromagnetic switching apparatus with interchangeable switches |
| 01/17/1989 | CA1249000A1 Electromagnetic relay |
| 01/10/1989 | CA1248570A1 Remotely controllable relay |
| 01/10/1989 | CA1248568A1 Hinge type relay |
| 01/05/1989 | DE3721286A1 Contact spring for relays |
| 01/04/1989 | EP0297215A1 Electromagnetic clapper arrangement |
| 12/29/1988 | WO1988010505A1 Improvements in and relating to electrical components |
| 12/28/1988 | CN88211529U Electro-magnetic relay without arc discharging |
| 12/20/1988 | US4792776 Miniaturized electromagnetic relay for switching high voltages |
| 12/15/1988 | WO1988010003A1 Production of contact block |
| 12/07/1988 | EP0293722A1 Electromagnetic relay |
| 12/07/1988 | EP0293702A1 Electromagnetic release for a fault current protective switch |
| 11/30/1988 | CN88212440U Ac.dc contactor with energy-saving, life-prolonging and reduced starting voltage function |
| 11/23/1988 | EP0292447A2 Magnetic circuit particularly for safety, long-life and high-reliability relays |
| 11/23/1988 | EP0292423A1 Electromagnetic relay |
| 11/22/1988 | CA1245255A1 Magnetically operated circuit breaker |
| 11/17/1988 | EP0291019A1 Electro-magnetic relay |
| 11/17/1988 | DE3715230A1 Coil which is encased with insulating material, for an electromagnetic relay |
| 11/01/1988 | CA1244122A1 Housing for an electromechanical device |
| 10/12/1988 | EP0286432A2 Relay |
| 10/12/1988 | CN87102515A Energy-saving integrated coil for ac contactor |
| 10/05/1988 | CN86209170U A.c contactor with its monitor |
| 09/29/1988 | DE3708723A1 Electromagnetic relay |
| 09/27/1988 | US4774484 Auxiliary electrical contact for electromagnetic contactor |
| 09/22/1988 | WO1988006989A1 Process and interval switch with a circuit arrangement for controlling the wiping interval of motor vehicle windscreen wipers |
| 09/22/1988 | DE3707491A1 Heating relay |
| 09/21/1988 | EP0283005A1 Method and interval switch with switching arrangement for controlling wiper delay of windscreen wipers in vehicles |
| 09/15/1988 | DE3707101A1 Electromagnetic switching contactor |
| 09/14/1988 | EP0281950A1 Electromagnetic relay |
| 09/14/1988 | CN87216288U Mechanical self-locking reset device |
| 09/13/1988 | US4771253 Operation indicating device for electromagnetic relay |
| 09/13/1988 | CA1241988A1 Electromagnetic relay |
| 09/08/1988 | DE3706100A1 Electromechanical component, especially an electromagnetic relay |
| 09/08/1988 | DE3705923A1 Relay magnet coil |
| 09/07/1988 | EP0281384A2 Electromagnetic relay having silencing means |
| 09/07/1988 | EP0280680A1 Electromagnetic switch, in particular for starting devices of internal combustion engines. |
| 09/07/1988 | CN88200749U Double-bridge type contact saving silver and copper |
| 09/06/1988 | US4769295 Battery and switch to be mounted on vehicles |
| 09/01/1988 | DE3718123C1 Relay |
| 09/01/1988 | DE3705073A1 Relay of washing-proof design |
| 08/31/1988 | EP0280444A1 Electromagnetic contactor with lightweight wide range current transducer |
| 08/25/1988 | DE3704482A1 Electromagnetic switching device for switching capacitive loads on and off |
| 08/24/1988 | EP0279597A2 Electromagnetic contactor with reduced noise magnetic armature |
| 08/24/1988 | EP0279596A1 Electromagnetic contactor with lightweight wide range current transducer with sintered powdered metal core |