| Patents for H01H 50 - Details of electromagnetic relays (9,923) |
|---|
| 03/20/1990 | US4910487 Bistable magnet |
| 03/20/1990 | US4910484 Electromagnetic relay having silencing effect |
| 03/20/1990 | US4910367 Visible break switch |
| 03/14/1990 | EP0358051A2 Electromagnetic switch gear |
| 03/14/1990 | EP0358050A2 Electromagnetic switchgear |
| 03/14/1990 | EP0358039A2 Electromagnetic switch device |
| 03/14/1990 | CN2054567U Non-noise micro-power loss alternating current contactor |
| 03/07/1990 | EP0356819A2 Switch apparatus, in particular a contactor |
| 03/07/1990 | CN2054204U Electric appliances with shock-resistant properties in drilling equipment |
| 02/28/1990 | EP0355817A2 Electromagnetic relay |
| 02/28/1990 | EP0355606A2 Electric switch device |
| 02/28/1990 | EP0355427A2 Miniature circuit relay |
| 02/27/1990 | US4904974 Connecting structure of coil in electromagnetic relay |
| 02/22/1990 | DE3827389A1 Electrical switching device |
| 02/20/1990 | CA1266074A1 Switch bridge arrangement for an electrical switch |
| 02/14/1990 | EP0354575A2 Electromagnetic contactor |
| 02/14/1990 | CN2052947U Anti-shaking timedelay cut-off relay |
| 01/31/1990 | EP0352884A2 Relay for wideband signals |
| 01/31/1990 | CN2052148U Currentless ac/dc contactor of coil in motion |
| 01/30/1990 | US4897755 Apparatus and method for relay control |
| 01/24/1990 | EP0351547A2 Sealed relay assembly |
| 01/23/1990 | US4896127 Lagged type solenoid |
| 01/23/1990 | US4896126 Coil for an electromagnetic relay having delayed switching |
| 01/11/1990 | DE3823315A1 Insulating body between the live contacts of a contact spring set for electromagnetic relays |
| 01/10/1990 | EP0349760A2 Electrical construction element |
| 01/10/1990 | EP0349759A2 Elektromechanical relay |
| 01/09/1990 | US4893102 Electromagnetic contactor with energy balanced closing system |
| 01/03/1990 | EP0349273A2 Apparatus and method for relay control |
| 01/03/1990 | EP0349046A2 Electrical contact structures specifically suited for low power circuits |
| 01/03/1990 | EP0348909A2 On-load electromagnetic relay |
| 12/27/1989 | EP0347999A2 Electric switch structure in which the actuation axial force is just a small portion of the contact force |
| 12/26/1989 | US4890080 Electromagnetic relay with an operation indicating member |
| 12/26/1989 | US4889505 Terminal assembly for a coil |
| 12/20/1989 | CN1038179A Control system and device for contactor appratus |
| 12/20/1989 | CN1038178A Control and testing system for installation using contactors |
| 12/19/1989 | US4887347 Method of producing a contact spring structure of an electromagnetic relay |
| 12/19/1989 | CA1263973A1 Terminal assembly for electrical apparatus |
| 12/13/1989 | EP0345363A1 Case for side-by-side mounting |
| 12/13/1989 | CN2049404U Ac contactor with power supply output |
| 12/13/1989 | CN1037993A Module of protection for electromagnet of contactor |
| 12/06/1989 | EP0344687A2 Electromagnetic relay having monitoring windows |
| 11/30/1989 | WO1989011726A1 Electromagnetic switching device |
| 11/30/1989 | DE3818020A1 Electromagnetic relay |
| 11/30/1989 | DE3817571A1 Armature holder for an electromagnetic drive |
| 11/29/1989 | EP0343554A2 Electromagnetic relay |
| 11/28/1989 | US4883927 Locking arrangement for two switchgears |
| 11/23/1989 | EP0342769A1 Electromagnetic switch |
| 11/21/1989 | CA1263132A1 Electromagnetic switching apparatus with interchangeable switches |
| 11/16/1989 | DE3815107A1 Electromagnetic relay |
| 11/15/1989 | EP0341690A2 Switch with contacts |
| 11/08/1989 | EP0340571A1 Auxiliary switch module |
| 11/08/1989 | EP0340535A1 Electrical switching device |
| 11/07/1989 | US4879536 Electromagnetic relay |
| 11/02/1989 | DE3813100A1 Combination of two electrical switching apparatuses with an inhibiting device which influences their connection capability |
| 11/01/1989 | CN2047065U Umbrella type hasp switch |
| 11/01/1989 | CN2047064U Signal relay |
| 11/01/1989 | CN1036859A Electromagnet for operating contact maker switch |
| 10/26/1989 | DE3912601A1 Turn-off device for turning off at the minimum voltage |
| 10/26/1989 | DE3813119A1 Spulenkoerper und verfahren zur herstellung eines spulenkoerpers Process for producing a coil former and spulenkoerpers |
| 10/26/1989 | DE3813118A1 Coil former |
| 10/25/1989 | CN2046683U Improved pivoted contactor |
| 10/24/1989 | US4876522 Electromagnetic switchgear |
| 10/24/1989 | US4876418 Device for rendering contactors electrically and mechanically inoperative |
| 10/19/1989 | WO1989009999A1 Spool body and process for producing a spool body |
| 10/18/1989 | EP0337097A1 Electromagnetic relay |
| 10/11/1989 | EP0336445A2 Electromagnetic relay |
| 09/27/1989 | EP0334393A2 Electromagnetic relay with symmetric reaction |
| 09/27/1989 | EP0334336A1 Polarised electromagnetic plural contact relay |
| 09/27/1989 | EP0333717A1 Electromagnetic relay. |
| 09/26/1989 | US4870378 Electromagnetic relay and method for its manufacture |
| 09/26/1989 | CA1260158A1 Mounting structure and method for surface mounted type components |
| 09/20/1989 | EP0333113A2 Connecting structure of coil in electromagnetic relay |
| 09/20/1989 | EP0332855A2 Improved hybrid relay |
| 09/13/1989 | EP0332181A2 Electromagnetic device |
| 09/06/1989 | EP0331134A2 Flat-typ relay particularly flat-typ miniature relay |
| 09/06/1989 | CN1035389A Protected electric switching apparatus and device for fixing same |
| 09/05/1989 | US4864262 Undervoltage trip device |
| 08/29/1989 | US4862123 Solenoid for electric starters |
| 08/23/1989 | EP0329138A1 Electromagnetic relay |
| 08/23/1989 | EP0329078A2 Coil for an electromagnetic relay with time lag |
| 08/15/1989 | US4857875 Yoke |
| 08/15/1989 | US4857872 Relay |
| 08/08/1989 | US4855699 Self-cutoff for latching coaxial switches |
| 08/03/1989 | DE3802688A1 Polarised relay |
| 08/02/1989 | EP0326118A1 Relay unit with terminals |
| 08/02/1989 | EP0326116A1 Contact arrangement for a relay |
| 07/25/1989 | US4851802 Electromagnetic relay |
| 07/25/1989 | CA1257892A1 High speed magnetic contact driver |
| 07/19/1989 | EP0324439A2 Package for an electromagnetic relay |
| 07/18/1989 | CA1257632A1 Electromagnetic relay |
| 07/12/1989 | EP0323461A1 Direction inversion circuit for dc drives. |
| 07/11/1989 | US4847580 Solenoid-operated switch for a starter |
| 07/04/1989 | US4844401 Noise isolated relay |
| 07/04/1989 | CA1256927A1 Bi- or monostable operation polarized electromagnet |
| 06/29/1989 | DE3743244A1 Switching apparatus arrangement for connecting and disconnecting capacitors |
| 06/21/1989 | EP0320686A2 Electromagnetic switchgear |
| 06/14/1989 | EP0320355A1 Socket for a power contactor with plugs |
| 06/13/1989 | US4839619 Relay for wideband signals |
| 06/07/1989 | EP0319478A2 Printed circuit board relay |
| 06/07/1989 | CN1033337A 接触器 Contacts |