| Patents for H01H 51 - Electromagnetic relays (5,199) |
|---|
| 01/22/1991 | US4987512 Solid state circuit protector |
| 01/22/1991 | US4987396 Electromagnetic switch, in particular for starting devices of internal-combustion engines |
| 01/17/1991 | DE3922576A1 Electrical switch element esp. reed relay - having cast insulation contg. soft magnetic particles |
| 01/09/1991 | CN2069167U Autolock contactor without energy consumption |
| 01/08/1991 | US4983941 Electromagnetically operated switch |
| 01/08/1991 | US4983940 Electromagnetic switch |
| 12/27/1990 | WO1990016077A1 Auxiliary switch for an electromagnetic switching device |
| 12/19/1990 | CN2067862U Relay with bistable memory performance |
| 12/19/1990 | CN2067861U Splicing ac contactor |
| 12/18/1990 | US4978935 Electromagnetic relay |
| 12/05/1990 | EP0400537A2 Polarized armature contact relay |
| 12/04/1990 | US4975666 Polarized electromagnetic relay |
| 12/04/1990 | US4975623 Electromagnetic relay for transmitting operating sounds thereof |
| 12/04/1990 | US4975545 Sealed relay assembly |
| 11/22/1990 | EP0398627A1 Water cover arrangement for a solenoid apparatus |
| 11/21/1990 | CN2066197U Double-way self-locking alternating current contactor |
| 10/31/1990 | CN2064938U Electricity-saving device for non-pressure operation of a.c. contactor coil |
| 10/23/1990 | US4965542 Magnetic switch for coaxial transmission lines |
| 10/18/1990 | DE3911906A1 Compact relay with monostable anchor element - moves in guide rail perpendicular to coil axis, and has contact and coil leads in separate compartments insulated from each other |
| 10/17/1990 | EP0392302A2 Motor monitoring switch |
| 10/17/1990 | EP0392200A1 Safety door latch for electrical appliances |
| 10/17/1990 | CN2064100U Contactor of detachable contact system |
| 10/17/1990 | CN2064099U Permanent-magnet energy-saving contactor |
| 10/10/1990 | CN2063688U Self-lock contactor |
| 10/09/1990 | CA1275138A1 Electromagnetic relay |
| 10/04/1990 | DE4010136A1 Electromagnetic protection switch assembly - uses locating device between coil carrier and cover incorporating contact carrier |
| 10/03/1990 | EP0390553A1 Core and contact assembly for a coaxial engine starter |
| 10/03/1990 | EP0390372A2 Polarized electromagnetic relay |
| 10/03/1990 | CN2063289U Energy-saving contactor without counter-magnetism winding |
| 09/25/1990 | US4959627 Electromagnet relay |
| 09/20/1990 | WO1990010967A1 Solid state circuit protector |
| 09/20/1990 | DE3908319A1 Electromagnetic contactor for machinery or air conditioning |
| 09/11/1990 | US4956623 Electromagnetic relay |
| 09/05/1990 | CN1045196A Energy-saving noise-free ac contactor |
| 08/29/1990 | CN2061332U No-voltage operating alternating-current contactor |
| 08/21/1990 | US4951016 Polarized electromagnetic multi-contact relay |
| 08/09/1990 | DE4003109A1 Three=phase inverter switch |
| 08/08/1990 | EP0381542A1 Protected phase-reversal contactor using a multifunctional transmission system for the control of confirmation switches |
| 08/07/1990 | US4947285 Reversing circuit for direction reversal in direct current drives |
| 08/07/1990 | US4947146 Electromagnetic contactor |
| 08/03/1990 | CA2007196A1 Protected converter invester with multifunctional transmission system to control confirmation switches |
| 08/01/1990 | CN1044362A D.c. position detented contactor |
| 07/26/1990 | WO1990008419A1 Terminal box having built-in connection switching contactor for three-phase induction motor |
| 07/26/1990 | DE3940242A1 Betaetigungssolenoid Actuating solenoid |
| 07/25/1990 | CN2059764U Electricity economizer of ac contactor |
| 07/10/1990 | US4940958 Polarized electromagnetic apparatus |
| 07/04/1990 | CN2059021U Symmetry bistable relay |
| 06/28/1990 | DE3843646A1 Elektromagnetischer schalterantrieb Electromagnetic switch drive |
| 06/27/1990 | EP0375442A2 Coaxial starter with a core and contact terminal assembly |
| 06/27/1990 | EP0375378A1 Pinion shifting arrangement for a starter |
| 06/19/1990 | CA1270512A1 Electromagnet having a pivoted polarized armature |
| 06/13/1990 | EP0373109A1 Polarised printed-circuit board relay |
| 06/12/1990 | US4933655 Mounting structure of a reed switch for an eddy-current indicator |
| 06/12/1990 | US4933654 Polarized electromagnetic relay |
| 06/06/1990 | CN1042796A Lock mechanism for limiting contact maker |
| 05/31/1990 | WO1990005989A1 Armature/actuator for a relay |
| 05/30/1990 | CN2057778U Weak current-controlling remanence contactor |
| 05/23/1990 | EP0369844A1 Locking mechanism for a current-limiting contactor |
| 05/17/1990 | WO1990005374A1 Improvements in electromagnetic devices |
| 05/10/1990 | DE3837666A1 Relay |
| 05/09/1990 | CN2057029U Self-locking electricity-saving safety switch |
| 05/02/1990 | CN1041848A Double-coil electromagnetic switch |
| 05/01/1990 | US4922370 Automatically resetting circuit protector |
| 05/01/1990 | US4922369 Circuit protector |
| 05/01/1990 | US4922216 Electromagnetic switching device |
| 04/25/1990 | EP0365518A2 Magnetic circuit shaped essentially as a flat rectangle with an air gap |
| 04/18/1990 | EP0363410A1 Improvements in and relating to electrical components |
| 04/18/1990 | CN2056277U Mechanical locker ac contactor |
| 04/12/1990 | DE3834283A1 Change-over relay for DC motors having anticlockwise and clockwise control |
| 04/11/1990 | CN2055988U Contactor suitable for fitting with capacitor |
| 04/04/1990 | EP0361638A2 Microwave C-switches and S-switches |
| 04/04/1990 | EP0361442A2 Relay device for switching radio frequency signal |
| 04/04/1990 | EP0361392A2 Polarized electromagnetic relay |
| 03/28/1990 | EP0360271A2 Electromagnetic polar relay |
| 03/28/1990 | CN2055290U 节能接触器 Saving contacts |
| 03/28/1990 | CN2055289U Pin-lift alternating-current contactor |
| 03/28/1990 | CN1040886A Bistable magnetic actuator and circuit breaker |
| 03/27/1990 | US4912438 Electromagnetic relay |
| 03/21/1990 | CN1007299B Relay switch apparatus |
| 03/07/1990 | CN2054205U Electromagnetic type electrical controller with under-voltage protection |
| 03/07/1990 | CN2054204U Electric appliances with shock-resistant properties in drilling equipment |
| 03/07/1990 | CN2054203U 双稳态电磁继电器 Bistable electromagnetic relays |
| 02/28/1990 | EP0355817A2 Electromagnetic relay |
| 02/28/1990 | CN2053793U 节能接触器 Saving contacts |
| 02/28/1990 | CN2053792U Automatically releasing residual magnetism type contactor |
| 02/22/1990 | WO1990001788A1 A bistable magnetic actuator and a circuit breaker |
| 02/14/1990 | EP0354803A1 A bistable magnetic actuator and a circuit breaker |
| 02/14/1990 | CN2052949U Memory self-locking relay |
| 02/14/1990 | CN2052948U Ac/dc common used consumption-free holding contactor |
| 02/14/1990 | CN1039642A Electromagnetic switch for starter mechanisms of internal-combustion engines |
| 02/13/1990 | US4901046 Manually actuated on-off switch with electromagnetic release |
| 02/08/1990 | WO1990001211A1 An electromagnetic switch for internal combustion engine starters |
| 02/06/1990 | CA1265564A1 Integrated power relay for electric starter motor |
| 02/01/1990 | DE3925137A1 Betaetigungssolenoid Actuating solenoid |
| 01/31/1990 | EP0352884A2 Relay for wideband signals |
| 01/31/1990 | CN2052148U Currentless ac/dc contactor of coil in motion |
| 01/30/1990 | US4897625 Remotely controllable circuit breaker |
| 01/25/1990 | DE3824801A1 Elektromagnetischer schalter fuer andrehvorrichtungen von brennkraftmaschinen Electromagnetic switch for starting devices of internal combustion engine- |
| 01/24/1990 | EP0351547A2 Sealed relay assembly |
| 01/24/1990 | EP0185769B1 Electromagnetic actuator |