Patents for H01H 1 - Contacts (16,507)
07/1990
07/11/1990EP0298981B1 Contact system for vacuum switches with an axial magnetic field
07/11/1990CN2059268U Conical electric contact point with arc extinguishing equipment
07/10/1990CA1271502A1 Arc-free electromagnetic contactor
07/05/1990DE3842919A1 Switching piece for a vacuum switch, and a method for producing such a switching piece or a correspondingly procured component
07/03/1990US4939319 Step selector for a stepped transformer
06/1990
06/27/1990EP0375521A1 Switch especially for cars
06/27/1990EP0375336A2 Switch clamping screw
06/27/1990EP0375088A1 Disconnecting arrangement for the main current path of a power circuit breaker
06/27/1990EP0375087A1 Contact arrangement with a conductive pivot for a contact lever
06/26/1990US4937544 "Contact arrangement for a relay"
06/26/1990US4937402 For use with a posture-adjustable automotive mirror
06/26/1990CA1270876A1 Push-button lever contact switch
06/21/1990CA2004791A1 Quieted fast acting switch assembly
06/20/1990EP0373350A2 Construction element for use as a heating resistance and temperature control device
06/20/1990CN2058526U Silver nickel copper compound electric contact
06/19/1990US4935588 Contact arrangement for vacuum switches with axial magnetic fields
06/19/1990US4935202 Of beryllium, aluminum, nickel, cobalt and copper
06/19/1990US4935165 Providing a nitrogenous base gas
06/19/1990US4934954 Electrical contact unit
06/19/1990CA2005656A1 Circuit breaker contact assembly
06/14/1990WO1990006588A1 Electromagnetic relay
06/14/1990WO1990006587A1 Micromechanic manipulator
06/13/1990EP0373018A1 Hand-operating mechanism for quick break for electric circuit breaker
06/13/1990DE3844669A1 Micromechanical device
06/13/1990DE3841557A1 Mikromechanischer manipulator Micromechanical manipulator
06/12/1990US4933523 Push-button switch
06/12/1990US4933520 Electrical contact for use in electromagnetic relay
06/12/1990US4933519 Contact structure for grounding switch
06/07/1990DE3840547A1 Relay
06/06/1990CN2058036U Loss of phase protective knife switch for electric motor
06/05/1990US4931679 Printed circuit board components with alternate mounting modes
06/05/1990US4931603 Molded case circuit breaker movable contact arm arrangement
06/05/1990EP0333733A4 Trimmable microminiature force-sensitive switch.
06/05/1990CA1270023A1 Overpressure switch with ball valve contact
05/1990
05/31/1990DE3839885A1 Blattfederschalter Leaf spring switch
05/30/1990EP0370897A1 Method for the preparation of electrical contact material, and method of making a contact element incorporating such a material
05/30/1990CN1008151B Method for mfg. electric contact with predeposited solder layer
05/23/1990EP0369772A2 Device for conducting electrical current
05/23/1990EP0369283A2 Sintered contact material for low-tension switchgear, particularly for contactors
05/23/1990EP0369282A2 Sintered contact material in low-tension switchgear, particularly for contactors
05/23/1990EP0368860A1 Contact material for vacuum switches and process for manufacturing same
05/23/1990CN1008141B Electrical contact and method of making same
05/22/1990US4927989 Contact material for vacuum circuit breaker
05/22/1990US4927988 In a dynamoelectronic machine
05/16/1990EP0368754A1 Electrical switch device, mechanically controlled and adjustable
05/15/1990US4926150 Electromagnetic relay
05/15/1990US4926019 Moving copper pivot
05/15/1990US4926017 Vacuum breaker
05/15/1990US4926016 Moving contact blade barrier
05/15/1990US4925407 Nickel-based electrical contact
05/15/1990US4925394 Ceramic-coated terminal for electrical connection
05/09/1990EP0367436A2 Electric isolator switch
05/09/1990CN1041975A Process for making molten materials and self-consuming electrode therefor
05/08/1990US4924202 Non-cycling electrical circuit breaker
05/08/1990US4924197 Electromagnetic relay
05/08/1990US4924040 Electrical switching apparatus
05/08/1990CA1268849A1 Switch gear
05/02/1990EP0365879A2 Electric contact with base metal
05/01/1990US4922068 Densified braided switch contact
05/01/1990US4922066 Environmentally protected switch for dynamoelectric machines
05/01/1990US4922063 Electric data switch that selects data by moving along tracks of electrodes
05/01/1990US4921451 In-line fuse holder
04/1990
04/26/1990DE3835786A1 Unit for the resistance welding or resistance cutting of continuous metal material as well as a contactor for this
04/25/1990EP0365043A1 Contact material for vacuum circuit breaker
04/25/1990CN1041666A Laminated copper assembly
04/24/1990US4919717 Containing copper, nickel, graphite; purity, switches
04/18/1990EP0363976A1 electromagnetic relay
04/18/1990EP0363410A1 Improvements in and relating to electrical components
04/12/1990DE3834155A1 Moving contact link for an air-cored contactor
04/11/1990EP0363303A2 Apparatus for making electrical connections in a dynamoelectric machine
04/10/1990US4916421 Contact arrangement for a current limiting circuit breaker
04/10/1990US4916419 Circuit breaker contact assembly
04/10/1990CA1267672A1 Frame with clip-on draw-in grips for a withdrawable multipole circuit breaker
04/10/1990CA1267671A1 Low voltage circuit-breaker with improved breaking
04/03/1990US4914410 Relay for printed circuit board
04/03/1990US4913285 Water-and-dust-proof push-button switch housing dummy terminal for air venting
04/03/1990CA2000110A1 Electric contact with base metal
03/1990
03/28/1990EP0360368A2 Lever and abutting-contact arrangement for low-tension power switches with principal contacts and arcing contacts
03/27/1990US4912439 Molded case circuit breaker auxiliary switch unit
03/27/1990US4912438 Electromagnetic relay
03/27/1990US4912291 Compact proximity switch arrangement
03/27/1990US4912289 Quieted fast acting switch assembly with visco-elastic polymer laminated between metal layers
03/27/1990US4910868 Manufacturing process of an electrical contact with contact pad
03/21/1990EP0359288A2 Collision detecting device for motor vehicle
03/21/1990CN1040701A Contact material for vacuum current breaker
03/21/1990CN1007300B Relay switch apparatus
03/21/1990CN1007299B Relay switch apparatus
03/21/1990CN1007281B Gearing for mining machine
03/20/1990US4910485 Multiple circuit breaker with double break rotary contact
03/20/1990CA1266873A1 Cammed wire snap switch
03/15/1990DE3829877A1 Annular contact element for medium-voltage and high-voltage switches
03/14/1990EP0358587A1 Device for the detection of pressure on a rubber surface containing carbon
03/14/1990EP0358289A2 Moving contact arrangement with a shielding part
03/14/1990EP0358287A2 Driving element for a multipole low tension electrical power circuit breaker
03/14/1990EP0358286A2 Articulated conductive assembly for a contact lever
03/13/1990US4908485 Push-button switch
03/13/1990US4908158 Electrical contact material and method of preparing same
03/08/1990WO1990002409A1 Switch with contacts wetted with mercury
03/07/1990EP0356867A1 Conductive metal powders, process for preparation thereof and use thereof
03/07/1990EP0356706A2 Switch to be mounted on a printed-circuit board