Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 1 - Contacts
Patents for H01H 1 - Contacts (16,507)
01/1991
01/08/1991US4983795 Slide switch
01/08/1991US4983788 Electric switch mechanism for relays and contactors
01/03/1991DE4014191A1 Manually operated electrical switch - has spring based lever operating intermediate pin to move contact bridge
01/02/1991EP0406097A1 Switch, especially for automotive vehicles
01/02/1991EP0405351A1 Safety contact rail
01/01/1991US4982060 Electromagnetic
01/01/1991US4981533 Silver, tin, zirconium alloys
12/1990
12/27/1990EP0404675A1 Electrical switch, in particular for motor vehicle
12/27/1990EP0404172A2 Heavy-duty contact, particularly for low tension switch gear
12/25/1990US4980125 Silver, mixed oxides of tin, bismuth and copper, added to bismuth zirconate or titanate; improved excess temperature behavior; motors, power switches
12/18/1990US4979149 Non-volatile memory device including a micro-mechanical storage element
12/13/1990WO1990015428A1 Contact system for lever-operated isolating switches
12/13/1990WO1990015425A1 PROCESS FOR PRODUCING A CuCr CONTACT MATERIAL FOR VACUUM SWITCHES AND APPROPRIATE CONTACT MATERIAL
12/13/1990WO1990015424A1 PROCESS FOR PRODUCING A CuCr CONTACT MATERIAL FOR VACUUM SWTICHEs AND APPROPRIATE CONTACT MATERIAL
12/13/1990DE3921926C1 Electric switch for movable implements - includes housing of insulation, parallel metal strips spherical metal component and contact pins
12/12/1990EP0401595A2 Sintered electric contact material for vacuum switch tube and process for manufacturing the same
12/11/1990US4977513 Circuit breaker current monitoring
12/06/1990DE3917864A1 Electrical switch with potentiometer - has contact track terminated by slot to avoid particle build-up causing problems
12/05/1990EP0400537A2 Polarized armature contact relay
12/05/1990EP0400313A2 Multiple push-button switch
12/05/1990CN1010722B Circuit breaker with arc gas vent baffle
12/04/1990US4975067 Surface contact power connector
12/04/1990CA1277359C High-voltage interrupting switch with improved contact connection arrangement and method
11/1990
11/29/1990DE3916944A1 Electrical switch unit for motor vehicle - has contact assembly on one plate with pins that project to engage PCB
11/29/1990DE3916427A1 Contact unit for switches - has contact element that can adjust position to apply uniform force
11/28/1990EP0399486A2 Roller contact device
11/28/1990EP0399073A1 Snap-action switch
11/27/1990USRE33457 Switch
11/21/1990CN2066186U Switch device with plugging wire remote switch
11/20/1990US4972166 Electromagnetic relay
11/20/1990US4972056 Keyswitch
11/20/1990US4972053 Power transmission assembly
11/20/1990US4971866 Vacuum switch contact materials and the manufacturing methods
11/20/1990US4971758 Adhesion of solders, creep strength, migration resistance, alloy of nickel, tin, silicon, zinc, and iron
11/20/1990US4971754 Forming contacts of silver and tin oxide by reaction of silver nitrate with a strong base and reduction to silver metal
11/20/1990CA1276669C Circuit breaker with arc chamber vent
11/20/1990CA1276668C Bimetal strip
11/15/1990WO1990013685A1 Electric contact material, method of producing said material, and electric contact produced therefrom
11/15/1990DE4014730A1 Electrical miniature switch - has housing block for strip contact element fixed in base
11/07/1990CN2065358U Simple multiple pulling switch
10/1990
10/31/1990EP0394922A1 Contact arrangement for electric switching devices
10/31/1990DE3913846A1 Separate spring element for electrical contacts - has contact surfaces forced against blade by spring loop
10/30/1990US4967046 Automotive contact switch arrangement with essentially planar switch springs
10/24/1990CN1010142B Electricity connector
10/23/1990US4965415 Microengineered diaphragm pressure switch
10/18/1990DE3911100A1 Device for (moving) electrical contact making
10/17/1990EP0392836A2 Circuit protector construction
10/16/1990US4964144 Counter for electric switch device
10/13/1990CA2010916A1 Circuit protector construction
10/10/1990EP0391143A2 Monitoring apparatus with switching device
10/10/1990EP0391049A1 Switch, in particular switch for appliance
10/10/1990EP0390885A1 Switch with contacts wetted with mercury
10/09/1990US4962288 Timer with improved electrical bussing
10/04/1990DE3910405A1 Circuit arrangement for controlling electrical power
10/03/1990CN2063288U Electrical switch made of composite material
09/1990
09/30/1990CA2008957A1 Molded case circuit breaker movable contact arm arrangement
09/25/1990US4959515 Micromechanical electric shunt and encoding devices made therefrom
09/23/1990CA2008076A1 Molded case circuit breaker movable contact arm arrangement
09/20/1990WO1990010943A1 Electric switch
09/20/1990WO1990010558A1 A manually controlled key device
09/20/1990DE3908319A1 Electromagnetic contactor for machinery or air conditioning
09/19/1990EP0388259A1 Silver and tin oxyde material for use in making electrical contacts, electrical contacts made with this material
09/18/1990US4958252 Circuit breaker with rating plug having memory
09/18/1990US4958137 Electromagnetic relay
09/13/1990DE3907245A1 EM circuit breaker with stationary and movable contacts - delays resetting of movable contacts in case of short circuit up to renewed closure
09/12/1990EP0386277A1 Double circuit-breaking terminal
09/12/1990CN1045312A Contact forming meterial for vacuum interrupter
09/11/1990US4956738 Very high speed circuit breaker assisted by semiconductors
09/11/1990US4956623 Electromagnetic relay
09/11/1990US4956528 Pushbutton switch
09/05/1990EP0385380A2 Contact forming material for a vacuum interrupter
09/05/1990EP0385094A1 Non-cycling electrical circuit breaker
09/04/1990US4954672 Ground start key switch
09/04/1990US4953285 Method of assembling a dynamoelectric machine
09/04/1990CA2011382A1 Double-break terminal
08/1990
08/29/1990EP0384579A1 Apparatus including electrical contacts
08/21/1990US4951019 Electrical circuit breaker operating handle block
08/21/1990US4950856 Push-button switch with momentary-on feature
08/21/1990US4950847 Sealed printed circuit board switch
08/21/1990CA2010513A1 Contactor with protected switches
08/21/1990CA1273041A1 Sealing member for ball valve contact overpressure switch
08/16/1990EP0382525A1 Electromagnetic relay
08/15/1990CN2060593U Multiple way controlling switch
08/14/1990US4948424 Containing silver and oxides of copper, bismuth, and tin produced from intraoxdized alloys of the metals and zirconium oxide
08/08/1990EP0381046A2 Thin film material for sensing or actuating devices and process for producing the same
08/08/1990EP0380609A1 Switch enclosure
08/07/1990US4947146 Electromagnetic contactor
08/02/1990DE4001992A1 Moulded case circuit breaker auxiliary switch unit - includes access cover to allow field installation of accessory components before connection within circuit and indicates on-off condition
08/02/1990DE3901533A1 Switching device and/or display device for printed circuit board assembly
08/01/1990EP0380220A2 Vacuum switch contact materials and the manufacturing methods
07/1990
07/31/1990US4945195 Rotary switch
07/31/1990US4944083 Electrical switch construction method
07/25/1990CN1008957B Solid-state trip unit of electrical circuit breaker with contact wear indicator
07/25/1990CN1008955B Contact assembly for switch
07/25/1990CN1008954B Switch contact of vacuum switch and method of production
07/24/1990US4943692 Cover integrated leaf switch
07/18/1990EP0172912B1 Contact material for vacuum breaker
07/18/1990CN1008849B 35-110kv on-load shunting switch with bridge connection
07/12/1990WO1990007815A1 Battery-charging system with fault indicator
07/11/1990EP0377116A2 Key switch
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