| Patents for H01H 53 - Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them (216) |
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| 09/17/2008 | CN201117591Y Twin coil push-and-pull type radio frequency micro electro-mechanical system switch |
| 09/12/2008 | WO2008107273A1 Hybrid electromagnetic actuator |
| 07/23/2008 | CN101227017A Radio frequency assembly and a multiport switch having the same |
| 03/27/2008 | DE102004060409B4 Glasrohr für technische Anwendungen, dessen Verwendung sowie Verfahren zu dessen Herstellung Glass tube for technical applications, the use thereof and processes for the preparation thereof |
| 01/23/2008 | CN100364027C Electromagnetic drive for switching devices |
| 12/06/2007 | US20070279161 Method using a current to control a switch |
| 09/27/2007 | WO2007061605A3 High density three-dimensional rf/microwave switch architecture |
| 09/19/2007 | EP1644952B1 Method and device for current limitation with an automatic current limiter |
| 09/19/2007 | EP1644951B1 Method and device for limiting the current in a liquid metal current limiter |
| 08/29/2007 | CN100334670C Electromagnetic actuator |
| 06/28/2007 | US20070146104 Active radio frequency coil for high field magnetic resonance imaging |
| 04/10/2007 | US7202763 Micro-electromechanical switching device |
| 02/22/2007 | US20070041138 Process and device for current limiting with an automatic current limiter |
| 02/08/2007 | US20070030104 Balanced MEMS switch for next generation communication systems |
| 01/09/2007 | US7161780 Circuit interrupting device with single throw, double mode button for test-reset function |
| 11/21/2006 | US7139158 Method and apparatus for current limiting by means of a liquid metal current limiter |
| 09/19/2006 | US7109832 Relay |
| 08/16/2006 | CN1820341A Method and device for limiting the current in a liquid metal current limiter |
| 08/16/2006 | CN1820340A Method and device for current limitation with an automatic current limiter |
| 08/03/2006 | US20060171089 Method and apparatus for current limiting by means of a liquid metal current limiter |
| 06/29/2006 | DE102004060409A1 Glass tube of reed switch used for e.g. technical applications, has inner bore and cross- sectional constriction with relationship applicable between respective cross- sectional constriction and diameter of circumference of inner bore |
| 05/10/2006 | EP1655755A1 Electromagnetic actuator with movable coil |
| 04/12/2006 | EP1644952A1 Method and device for current limitation with an automatic current limiter |
| 04/12/2006 | EP1644951A2 Method and device for limiting the current in a liquid metal current limiter |
| 04/05/2006 | CN2770074Y Rotary magnetic relay |
| 04/04/2006 | US7023307 Electro-magnetically enhanced current interrupter |
| 03/21/2006 | US7015777 Switch device for opening and closing at least one electrical line |
| 03/09/2006 | US20060049901 Electromagnetic actuator |
| 03/08/2006 | CN1745448A Electromagnetic drive for switching devices |
| 02/01/2006 | CN1729548A Electromagnetic actuator |
| 01/25/2006 | EP1619709A1 Metallic contact electrical switch incorporating lorentz actuator |
| 01/17/2006 | US6987435 Micro-electromechanical actuators |
| 01/10/2006 | US6985058 Lorentz force assisted switch |
| 12/08/2005 | US20050270127 Micro-electromechanical switching device |
| 11/10/2005 | DE202005014079U1 Switch for power-factor correcting circuits has a rectifier and a power-factor correcting circuit on a power-conversion circuit with two capacitors |
| 11/02/2005 | EP1590822A1 Electromagnetic drive for switching devices |
| 10/20/2005 | US20050231307 Switching apparatus with voltage spike prevention |
| 09/22/2005 | WO2005006375A3 Method and device for limiting the current in a liquid metal current limiter |
| 09/20/2005 | US6946776 Method and apparatus for maintaining a liquid metal switch in a ready-to-switch condition |
| 09/14/2005 | EP1573766A1 Electromagnetic actuator |
| 09/07/2005 | EP1254473B1 Electronically switching latching micro-magnetic relay and method of operating same |
| 08/24/2005 | CN1658354A Swinging electromagnetic micro-electromechanical system relay |
| 08/16/2005 | US6930409 Electromechanical switching device |
| 07/28/2005 | US20050162244 Switch |
| 07/26/2005 | US6922121 Power saving electromagnetic switch |
| 06/29/2005 | EP1547111A1 Micro-electromechanical switching device. |
| 05/19/2005 | US20050104695 Power saving electromagnetic switch |
| 05/19/2005 | US20050104694 Low-voltage and low-power toggle type-SPDT RF MEMS switch actuated by combination of electromagnetic and electrostatic forces |
| 05/10/2005 | US6891454 Switch |
| 01/20/2005 | WO2005006375A2 Method and device for limiting the current in a liquid metal current limiter |
| 01/20/2005 | WO2005006373A1 Method and device for current limitation with an automatic current limiter |
| 01/20/2005 | DE10261811B4 Elektromagnetischer Antrieb Electromagnetic actuator |
| 12/02/2004 | DE10305465B3 Elektromagnetischer Antrieb für Schaltgeräte Electromagnetic actuator for switching devices |
| 10/14/2004 | US20040201330 Method and apparatus for maintaining a liquid metal switch in a ready-to-switch condition |
| 09/29/2004 | CN1169172C Quick-reaction mechanism switching point |
| 08/19/2004 | WO2004070760A1 Electromagnetic drive for switching devices |
| 07/15/2004 | DE10261811A1 Elektromagnetischer Antrieb Electromagnetic actuator |
| 07/08/2004 | WO2004057637A1 Electromagnetic actuator |
| 06/10/2004 | US20040108195 Lorentz force assisted switch |
| 04/08/2004 | WO2004030006A1 Micro-electromechanical switching device. |
| 12/03/2003 | CN2590163Y Energy conservation permanent-magnet relay |
| 10/21/2003 | US6635837 MEMS micro-relay with coupled electrostatic and electromagnetic actuation |
| 07/17/2003 | US20030132822 Micro-electromechanical actuators |
| 05/21/2003 | CN1419702A Electronically switching latching micro-magnetic relay and method of operating same |
| 12/31/2002 | US6501635 Quick-action mechanical switching point |
| 11/06/2002 | EP1254473A1 Electronically switching latching micro-magnetic relay and method of operating same |
| 10/31/2002 | US20020160549 MEMS micro-relay with coupled electrostatic and electromagnetic actuation |
| 10/22/2002 | US6469603 Electronically switching latching micro-magnetic relay and method of operating same |
| 10/22/2002 | US6469602 Electronically switching latching micro-magnetic relay and method of operating same |
| 07/25/2002 | US20020097118 Current actuated switch |
| 05/02/2002 | US20020050880 Electronically switching latching micro-magnetic relay and method of operating same |
| 04/16/2002 | US6373675 Operating apparatus for switching device |
| 10/24/2001 | EP0764338B1 Microwave multi-port transfer switch |
| 10/03/2001 | CN2452122Y Rotary energy-saving contactor |
| 08/09/2001 | WO2001057899A1 Electronically switching latching micro-magnetic relay and method of operating same |
| 04/25/2001 | CN1292562A Quick-reaction mechanical switching point |
| 01/10/2001 | EP1067569A1 Fast mechanical switching device |
| 11/22/2000 | CN2407447Y A. C.contactor with permanent magnet attraction without power consumption |
| 11/15/2000 | CN1058580C Electricity-saving silencing current prevention and arc elimination device |
| 12/29/1999 | CN1047868C Electromagnetic switch for electronic product |
| 11/17/1999 | CN2349663Y Flip-flop relay |
| 04/01/1999 | WO1999016095A1 Vane stop assembly for vane-type relay |
| 11/18/1998 | EP0764338A4 Microwave multi-port transfer switch |
| 05/20/1998 | CN1182275A Electromagnetic switch for electronic product |
| 03/26/1997 | EP0764338A1 Microwave multi-port transfer switch |
| 07/03/1996 | CN1125892A Electricity-saving silencing current prevention and arc elimination device |
| 05/08/1996 | CN1122047A 磁性限位开关 Magnetic limit switch |
| 11/16/1995 | WO1995030996A1 Microwave multi-port transfer switch |
| 09/19/1995 | US5451918 Microwave multi-port transfer switch |
| 12/28/1994 | CN2186440Y Overload-current phase-loss relay of triphase alternating |
| 07/27/1994 | CN2172911Y Power direction relay |
| 07/13/1994 | CN2171916Y Overcurrent electric relay of inverse time limit |
| 01/26/1994 | CN2154535Y Micro-current control switch |
| 11/11/1992 | CN1066147A Magneto-electric relay |
| 07/01/1992 | CN2108991U Permanent magnet controlled wall type switch |
| 10/09/1991 | CN2086459U Electricity-saving driver |
| 09/25/1991 | CN2085563U Dry energy saving switch |
| 11/06/1990 | US4968960 Electromagnet relay with flux biasing |
| 04/05/1989 | CN2035532U Electric dc relay |
| 03/08/1989 | CN2033944U Air electric contactor |