| Patents for H01H 50 - Details of electromagnetic relays (9,923) |
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| 08/22/1991 | WO1991012623A1 Electromagnetic relay |
| 08/21/1991 | WO1991013453A1 Base with tab and corresponding fastening process |
| 08/21/1991 | CA2075923A1 Base with tab and corresponding fastening process |
| 08/20/1991 | US5041870 Electromagnetic relay |
| 08/14/1991 | EP0440953A2 Reset lock for a relay |
| 08/14/1991 | DE4003295A1 Heating circuit switching relay for domestic appliance - has reclosure of second contact set prevented upon welding of first contact set |
| 08/13/1991 | US5040089 D.C. relay with power reducing function |
| 08/13/1991 | US5039967 Magnetic switch |
| 08/08/1991 | DE4003558A1 Elektromagnetisches relais Electromagnetic relays |
| 08/07/1991 | EP0440498A2 Electrical contactor with controlled closure characteristic |
| 08/07/1991 | CN2082461U Economizer device of mechanism self-lock type for the use of electromagnet |
| 08/06/1991 | US5038124 Electromagnetic switchgear |
| 08/06/1991 | US5038123 Flat electromagnetic relay |
| 08/06/1991 | US5038122 Electromagnetic relay |
| 08/02/1991 | CA2034966A1 Electrical contactor with controlled closure characteristic |
| 07/31/1991 | WO1991011818A1 Electromagnetic relay |
| 07/31/1991 | CA2074807A1 Electromagnetic relay |
| 07/23/1991 | US5034714 Universal relay |
| 07/17/1991 | EP0437209A2 Electromagnetic relay |
| 07/17/1991 | EP0437003A2 Actuator with a built-in reed switch |
| 07/16/1991 | US5032812 Solenoid actuator having a magnetic flux sensor |
| 07/10/1991 | EP0436448A1 Electromagnetic relay polarised by a permanent magnet |
| 07/03/1991 | CN2080230U Low power consumption electronic remembering contactor |
| 06/26/1991 | EP0434463A2 High voltage relay |
| 06/26/1991 | EP0433633A2 Electromagnetic relay with a return spring |
| 06/26/1991 | EP0433551A1 Circuit breaker contactor |
| 06/26/1991 | EP0433550A1 Electric switch device |
| 06/25/1991 | US5027094 Electromagnetic relay |
| 06/20/1991 | DE3941811A1 Miniature electromagnetic relay - has parasitic air gaps between armature and yoke reduced by surface treatment |
| 06/19/1991 | EP0432822A2 Electromagnetic relay |
| 06/19/1991 | EP0432299A1 AC contactor |
| 06/18/1991 | US5025238 Electromagnetic relay |
| 06/18/1991 | US5025237 Relay device for switching radio frequency signal |
| 06/13/1991 | DE4019236A1 Rolling electrical contact preventing cold welding |
| 06/12/1991 | EP0431994A1 Adapter for auxiliary contact casing |
| 06/11/1991 | US5023581 Electromagnetic switch |
| 06/11/1991 | US5023467 Method and an interval switch comprising a circuit arrangement for controlling the interval of time between wiping movements of wipers in vehicles |
| 06/05/1991 | EP0375732B1 Locking device for switchgear with electromagnetic drive |
| 06/04/1991 | US5021760 Solenoid switch contact and mounting assembly |
| 05/30/1991 | WO1991007770A1 Electromagnetic relay |
| 05/30/1991 | WO1991007769A1 Electromagnetic relay |
| 05/29/1991 | EP0429159A2 Relay with ARC sensor |
| 05/23/1991 | DE3938226C1 Miniature switching relay of H=section - providing double insulated chamber for magnet and contact systems |
| 05/22/1991 | EP0428138A2 Direct current switching apparatus |
| 05/21/1991 | US5018043 Removable modular control device for a contactor apparatus |
| 05/21/1991 | US5017898 Electromagnetic relay |
| 05/16/1991 | WO1991006964A1 Contact device for a changer relay |
| 05/14/1991 | US5015980 Solenoid switch apparatus |
| 05/14/1991 | US5015899 Electromagnetic switch device with open-ended plunger |
| 05/08/1991 | EP0425780A2 Miniaturized power relay for printed circuits |
| 05/08/1991 | CN1051266A Coil for silencing and energy-saving |
| 05/07/1991 | US5014157 Apparatus for controlling and testing an electric installation |
| 05/07/1991 | US5014027 Electromagnetic contactor |
| 05/02/1991 | EP0424817A1 Essentially cubic pluggable element or device |
| 04/30/1991 | US5012215 Protected switch contactor apparatus |
| 04/30/1991 | US5012214 Lock mechanism for a limiting contact maker |
| 04/25/1991 | WO1991006965A1 Device for producing a contact device, contact device and the use thereof |
| 04/25/1991 | DE3935773A1 Verfahren zum herstellen einer kontaktvorrichtung A method of manufacturing a contact device |
| 04/25/1991 | DE3935351A1 Contact system for miniature electrical relay - has fixed contacts on plates locating on conductor pins |
| 04/24/1991 | EP0280680B1 Electromagnetic switch, in particular for starting devices of internal combustion engines |
| 04/23/1991 | US5010310 Alternating current immunized relay and method of immunizing a relay to alternating current |
| 04/18/1991 | DE3934413A1 EM relay with coil core riveted to yoke - has coil former form-fitting injected on coil cure with recess for counter contact having precise position w.r.t. end face |
| 04/16/1991 | US5008641 Polarized armature contact relay |
| 04/03/1991 | EP0419603A1 Electromechanical microrelay |
| 04/02/1991 | US5004954 Current sensing relay |
| 04/02/1991 | US5004874 Direct current switching apparatus |
| 03/27/1991 | EP0418263A1 Electromagnetic switching device |
| 03/27/1991 | CN2074051U High-effiencicy energy-saving coil bag for a.c. contactor |
| 03/26/1991 | US5003275 Non-latching relay switch assembly |
| 03/26/1991 | US5003274 Electromagnetic relay |
| 03/19/1991 | US5000692 I/O relay interface module |
| 03/13/1991 | EP0416458A2 Relay |
| 03/13/1991 | CN1049936A Latching relay switch assembly |
| 03/13/1991 | CN1049935A Non-latching relay switch assembly |
| 03/06/1991 | EP0415532A2 Non-latching relay switch assembly |
| 03/06/1991 | EP0415531A2 Latching relay switch assembly |
| 03/05/1991 | US4998082 Latching relay switch assembly |
| 02/20/1991 | EP0413220A1 Auxilliary switch module |
| 02/14/1991 | DE3930394C1 Low voltage EM relay - has rod movable in sleeve bearing, and anti-bounce spring blade |
| 02/12/1991 | US4992765 Electromagnetic contactor |
| 02/06/1991 | EP0411397A1 Electromagnetic switchgear |
| 02/06/1991 | EP0411213A1 Vacuum relay with a switching element inside the vacuum chamber |
| 02/06/1991 | EP0410984A1 Spool body and process for producing a spool body. |
| 02/05/1991 | US4990874 Core and contact assembly for a coaxial engine starter |
| 02/05/1991 | US4990830 Disconnecting fluorescent lamp filaments |
| 01/29/1991 | US4988966 Electromagnet, particularly for actuating the switches of a contact maker apparatus |
| 01/29/1991 | US4988964 Electromagnetic switchgear |
| 01/23/1991 | EP0409613A2 Electromagnetic relay having an improved terminal piece structure |
| 01/22/1991 | US4987397 Electromagnetic protective switching device |
| 01/22/1991 | US4987396 Electromagnetic switch, in particular for starting devices of internal-combustion engines |
| 01/16/1991 | EP0408544A2 Relay |
| 01/08/1991 | US4983941 Electromagnetically operated switch |
| 01/08/1991 | US4983940 Electromagnetic switch |
| 01/08/1991 | US4983788 Electric switch mechanism for relays and contactors |
| 01/01/1991 | US4982060 Electromagnetic |
| 12/31/1990 | CA2019925A1 Ptc electromechanical relay |
| 12/27/1990 | WO1990016077A1 Auxiliary switch for an electromagnetic switching device |
| 12/25/1990 | US4980801 Protection module for a contact-maker electromagnet |
| 12/19/1990 | CN2067861U Splicing ac contactor |
| 12/05/1990 | EP0400537A2 Polarized armature contact relay |