| Patents for H01H 51 - Electromagnetic relays (5,199) |
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| 02/23/1988 | US4727344 Electromagnetic drive and polarized relay |
| 02/16/1988 | US4725801 Bistable solenoid switch |
| 02/16/1988 | US4724613 Folding, molding, assembling, positioning, filling with potting compound, reed relay |
| 02/04/1988 | DE3348068C2 Electromagnetic relay whose changeover spring has a special construction |
| 01/27/1988 | EP0253982A2 Electromagnetic relay |
| 01/21/1988 | DE3622910A1 Relay for connection in the subscriber circuit of a telephone exchange |
| 01/20/1988 | EP0253100A2 Electromagnetic relay |
| 01/19/1988 | US4720763 Electromagnetic contactor with control circuit for providing acceleration, coast and grab functions |
| 01/19/1988 | US4720126 Integrated power relay for electric starter motor |
| 01/14/1988 | WO1988000406A1 Circuit protector |
| 01/07/1988 | EP0251035A1 Electromagnetic relay |
| 01/07/1988 | EP0250644A2 Switch device |
| 01/06/1988 | CN87200242U Electromagnetic ac/dc contactor |
| 12/31/1987 | CN87208113U Automatic disconnector in power-off |
| 12/23/1987 | EP0249758A2 Electromagnetic relay |
| 12/15/1987 | US4713638 Polarized electromagnetic relay |
| 12/09/1987 | EP0248272A2 Polarized electromagnet device |
| 12/05/1987 | CN86210311U Energy-saving electric contactor |
| 12/02/1987 | CN87207644U Power-saving contactor |
| 11/19/1987 | WO1987007072A1 Electromagnetic switching device |
| 11/19/1987 | EP0246131A1 Electrical bistable commutating device |
| 11/19/1987 | EP0245798A1 Electromagnetic relay |
| 11/17/1987 | US4707675 Electromagnetic relay |
| 11/12/1987 | DE3615744A1 Elektromagnetische schaltvorrichtung Electromagnetic switching device |
| 11/11/1987 | EP0168395B1 Combination mechanical and electrical interlock mechanism |
| 11/10/1987 | US4706055 Electromagnetic actuator having reluctance adjusting means |
| 11/04/1987 | CN87101693A Relay switch apparatus |
| 10/27/1987 | US4703295 Electromagnetic relay having precise positional relationship between elements |
| 10/27/1987 | US4703294 Remotely controllable relay |
| 10/27/1987 | US4703293 Polarized electromagnetic actuator device |
| 10/20/1987 | US4701735 Bobbins for electrical coils and method of manufacturing electrical coils therefrom |
| 10/20/1987 | US4701721 Core formed of hard and soft magnetic materials for an electrical relay apparatus |
| 10/14/1987 | CN87200024U Large-powered electromagnetic relay |
| 10/06/1987 | US4698726 Structure for attaching a switchgear to a rail |
| 09/24/1987 | DE3609347A1 Waveguide switch |
| 09/23/1987 | CN86210036U Twopurpose contactor without power dissipation |
| 09/23/1987 | CN86210035U Twopurpose contactor for dc and ac without power dissipation |
| 09/23/1987 | CN86210031U Electronic permanent field type two-position controlled contactor without power dissipation |
| 09/22/1987 | US4695813 Polarized electromagnetic relay |
| 09/22/1987 | CA1227237A1 Contactor |
| 09/12/1987 | CN86200704U Power-saving bilateral self-holding relay |
| 09/09/1987 | EP0236075A2 Relay switch apparatus |
| 09/08/1987 | US4692728 Self-aligning spring mechanism for an electrical switch |
| 09/08/1987 | CA1226600A1 Polarized electromagnetic relay |
| 09/02/1987 | CN86207513U Power-saving contactor |
| 09/02/1987 | CN86206430U Contactor without consuming energy during operation |
| 08/26/1987 | CN86205252U Power-saving magnetic contactor |
| 08/25/1987 | US4689714 Electric control device adaptable to a two state switching device |
| 08/19/1987 | EP0232897A2 Electromagnet device |
| 08/19/1987 | EP0232728A1 Electromagnetic relay |
| 08/18/1987 | US4688010 Electromagnetic relay |
| 08/05/1987 | CN86204072U Time sharing double-contact electromagnetic contactor with lock |
| 08/05/1987 | CN86203104U 记忆继电器 Memory relay |
| 08/05/1987 | CN86100764A Multifunction energy-saving electromagnetic contactor relay |
| 08/04/1987 | US4684909 Electromagnetic relay |
| 07/28/1987 | CA1224834A1 Solenoid coil wire termination |
| 07/28/1987 | CA1224833A1 Polar relay |
| 07/22/1987 | CN86202595U Low power-consumptiong contactor |
| 07/21/1987 | US4682133 Electro-magnetic relay having two armatures |
| 07/15/1987 | EP0228427A1 Movement system. |
| 07/02/1987 | DE3546382A1 Polarized electromagnetic small relay |
| 06/30/1987 | US4677407 Electromagnetic switch |
| 06/24/1987 | CN86201825U Low power consumption permanant-magnet transmitting relay |
| 06/16/1987 | US4673908 Polarized relay |
| 06/16/1987 | EP0225388A1 Electromagnetic actuator |
| 06/10/1987 | EP0225038A2 Polarized electromagnetic relay |
| 06/09/1987 | US4672344 Polarized electromagnetic relay |
| 06/02/1987 | CA1222540A1 Electric remote control |
| 05/26/1987 | US4668928 Bi-stable switch with pivoted armature |
| 05/07/1987 | WO1987002824A1 Electromagnetic switch, in particular for starting devices of internal combustion engines |
| 04/21/1987 | US4660012 Polarized electromagnetic relay with magnetic latching for an electric circuit breaker trip release |
| 04/16/1987 | DE3634176A1 Relay arrangement |
| 04/16/1987 | DE3536222A1 Reversing contactor |
| 04/15/1987 | CN86200726U Energy-saving self-maintaining relay |
| 04/14/1987 | US4658230 Magnetically operated actuator |
| 04/14/1987 | US4658226 Electromagnetic relay with linearly moving block assembly |
| 04/14/1987 | US4656733 Method of manufacture of base assembly for an electromagnetic relay |
| 04/08/1987 | EP0217566A2 Electromagnetic starter for reversible motor |
| 04/08/1987 | EP0217015A1 Electromagnetic relay |
| 04/01/1987 | EP0216160A2 Electromagnetic contactor |
| 04/01/1987 | CN86205784U Silver saving electromagnetic contactor with bi-bridge type contact |
| 03/31/1987 | US4654553 Relay with actuator which actuates bistable switching mechanism |
| 03/25/1987 | EP0215343A2 Terminal assembly for electrical apparatus |
| 03/18/1987 | EP0214652A2 Electromagnetic relay |
| 03/18/1987 | EP0214630A2 Electromagnetic apparatus combined a pair of contactors into one unit |
| 03/04/1987 | EP0213066A2 Electromagnetic relay |
| 03/04/1987 | EP0213065A2 Electromagnetic relay |
| 03/04/1987 | CN86200927U Self-powered and fast foreed cutout energy-saving contactor |
| 03/03/1987 | US4647885 Electromagnetic relay with double sheet spring armature support |
| 03/03/1987 | US4647838 Phase controller |
| 02/25/1987 | EP0211446A1 Electromagnetic relay with two armatures |
| 02/25/1987 | CN86201423U 电磁接触器 Electromagnetic contactor |
| 02/17/1987 | US4644311 Polarized electromagnet with symmetrical arrangement |
| 02/17/1987 | US4644308 Variable composition switching device realizable by the assembling of modular elements |
| 02/17/1987 | US4644179 Electronically controlled electromagnetic safety battery cut-out for transport of dangerous or other materials |
| 02/10/1987 | US4642593 Impulse mercury relay with magnetic interlock switch |
| 02/04/1987 | EP0210789A2 electromagnetic switch |
| 01/31/1987 | CN85100193A Self-closing electromagnetic contactor |
| 01/28/1987 | CN86201823U Single key control contactor with saving electricity |
| 01/27/1987 | US4639702 Reed relay |