Patents for H01H 1 - Contacts (16,507)
05/1994
05/04/1994EP0595730A1 Circuit-breaker with draw-out auxiliary circuit blocks
05/04/1994EP0595698A1 Contactor for an internal combustion engine starter of an automotive vehicle
05/04/1994EP0594830A1 System for monitoring circuit breaker operations and alerting need of preventative maintenance
05/03/1994US5309131 Thermal switch
05/03/1994US5308941 Roller contact assembly
05/03/1994US5307561 Method for making 3-D electrical circuitry
04/1994
04/28/1994WO1994009501A1 Mercury wetted switch
04/27/1994EP0593788A1 Contact of magnet switch and its manufacturing method
04/27/1994EP0593526A1 Electromagnetic relay.
04/26/1994US5306883 Deceleration sensor switch for use in a vehicle occupant safety system
04/21/1994DE4335246A1 Push button switch and mfg. process
04/21/1994DE4316382C1 Coded-switch mounted on PCB - has rotor axis extending parallel to surface of PCB within switch housing attached to latter via strap element
04/21/1994DE4234646A1 Mfg. internal electroconductive connections - of stationary contacts in electromechanical program control device for household washing machine
04/21/1994DE4042424C2 Rolling electrical contact preventing cold welding
04/20/1994CN1085687A Material for electrical contacts based on silver-tin oxide or silver-zinc oxide
04/19/1994US5304922 Electrical circuit with resilient gasket support for raised connection features
04/13/1994EP0592007A1 Switching device
04/13/1994CN1085346A Electrical low-resistivity Ag/SnO2 contact material and preparation thereof
04/12/1994US5302789 Snap switch having low resistance
04/12/1994US5302788 Molded case circuit breaker having trapezoidally shaped shaft
04/12/1994US5302145 Female elastic-blade contact and blade for such a contact
04/06/1994CN1084794A Micro shape composite filament of noble metal and alloy making method and device
04/05/1994US5301083 Remote control residential circuit breaker
03/1994
03/31/1994WO1994007254A1 A memory or signature circuit for switchgear
03/31/1994WO1994007252A1 Material for electric contacts based on silver-tin oxide or silver-zinc oxide and process for its production
03/29/1994US5298876 Bi-metallic switch element
03/24/1994DE4332068A1 PCB switch relay with removable auxiliary module(s) - mountable between protection module and solder pins for PCB
03/24/1994DE4329584A1 Electrical gear change selection unit in sealed housing - has lever operated sliding contact unit that moves relative to group of fixed contacts on carrier
03/24/1994DE4324213A1 Circuit board relay with auxiliary terminals - provided by conductive contact rails attached to insulating sidewall of relay housing
03/24/1994DE4244118C1 Relay contact overload protection device - holds relay in on state until melt protection fuse is triggered upon load current exceeding predetermined threshold
03/24/1994CA2106643A1 Pcb relay having an improved terminal structure
03/23/1994EP0587611A1 Dc vacuum relay device.
03/22/1994US5296827 Circuit breaker with magnetic shield
03/22/1994US5296663 Electric switch
03/22/1994US5296660 Electrical breaking device
03/22/1994US5295850 Fuse holder with fuse release
03/22/1994US5295840 Contact having spring portion with smaller thickness contacting surface
03/17/1994WO1994006144A1 Inertia switch
03/17/1994WO1994006140A1 Miniature electric switch
03/17/1994DE4331526A1 Electric contact material - based on silver@ and tin oxide with additives to improve work life
03/17/1994DE4330734A1 Rolling contact device for electric stepping switch - has holding shafts for two pairs of roller contacts and bridging latches supported by parallel guide shafts
03/16/1994EP0587056A1 Rocker keyswitch
03/16/1994EP0586410A1 Silver-based contact material for use in power-engineering switchgear, and a method of manufacturing contacts made of this material.
03/16/1994EP0540510B1 Micromechanic manipulator
03/16/1994EP0481993B1 Contact device for a changer relay
03/15/1994US5294760 Digital pressure switch and method of fabrication
03/10/1994DE4230060A1 Circuit breaker with movable contacts under insulating gas - has one contact member with galvanically deposited hard silver@ layer
03/10/1994DE4229068A1 Beschleunigungsschalter und Verfahren zur Herstellung Acceleration switch and process for preparing
03/10/1994DE4228056A1 Energy saving testing of contacts and other current carrying components - applying full voltage only during switching processes, regulating load resistance variations and heating power losses
03/08/1994US5293017 Right angle elastomeric control switch
03/08/1994US5293012 Disconnecting switch
03/02/1994EP0440620B1 Semifinished product for electrical contacts, made of a composite material based on silver and tin oxide, and powder metallurgical process for producing it
03/01/1994US5291179 Printed circuit board
03/01/1994US5290983 Wall switch
02/1994
02/23/1994EP0583758A1 Switch
02/23/1994EP0583715A1 Electrical switch
02/23/1994CN2157585Y Moving contact mechanism for compound vacuum loaded tap switch
02/22/1994US5289049 Signal input selecting circuits
02/22/1994CA2007578C Apparatus including electrical contacts
02/22/1994CA1327131C Electrical contacts for vacuum interrupter devices
02/17/1994DE4226505A1 Switch-module carrier - has current leads injected into carrier for connection to contacts of switch illumination
02/16/1994EP0582732A1 Limit switch
02/15/1994US5286934 Molded case circuit breaker movable contact arm arrangement
02/15/1994US5286441 Mixing oxides and/or metals, heating, lowering partial pressure of oxygen, cooling
02/08/1994US5285035 Dust proof electrical switch
02/08/1994US5284527 Method of making silver-metal oxide materials and electrical contacts
02/08/1994CA2023033C Medium voltage circuit breaker
02/03/1994DE4224999A1 Engagement relay for starter of IC engine - has main current contact bolts of wider dia. at one end with uneven face engaging switch cover
02/01/1994US5283406 Switch with moveable carrier and moveable contacts attached thereto
02/01/1994US5283405 Enclosed electrical contact assembly for dynamoelectric machines
01/1994
01/27/1994DE4243570C1 Electrical contact body - has layer sequence comprising base material, contact layer, and thin, galvanically deposited surface layer contg. Gold@
01/27/1994DE4228751C1 Elektrischer Miniaturschalter Miniature electrical switch
01/25/1994US5281937 Electromagnetic contactor and method for making same
01/25/1994US5281781 Apparatus for switching a high-current power source
01/22/1994CA2096103A1 Electrical contact element
01/21/1994CA2074243A1 Electrical operating device with contact-holding slider in two parts
01/20/1994DE4321960A1 Thermischer Schalter The thermal switch
01/20/1994DE4223729A1 Production of contact roller surfaces for switches - has contact roller elements integral with spindle having profiled section to improved cold forming process.
01/20/1994DE4223077A1 Contact arrangement for electrical switch gear - has movable contact piece mounted on contact spring which is fixed at both ends and at its centre
01/11/1994US5278530 Switch mechanism, mounting assembly, and shaft position indicator device for a rotary or linear valve
01/11/1994US5278369 Electrical operating device with contact-holding slider in two parts
01/11/1994US5278368 Electrostatic relay
01/05/1994EP0577185A1 Sealed contact unit
01/05/1994EP0480922B1 PROCESS FOR PRODUCING A CuCr CONTACT MATERIAL FOR VACUUM SWTICHES
01/05/1994DE4220778A1 Auxiliary switch condition contactless monitoring circuit - has AC source for de-oxidation of contact and condition registration via potential divider opto-coupled to digital signal output unit
01/05/1994DE4220711A1 Electrical switch for use as surface mounted device - has contact elements embedded in body with moving contact spring carrier locating in groove section.
01/05/1994DE4219432A1 Vibration damped contact carrier element for switching devices - has leaf spring contact arm that is displaced against fixed projection with curved profile.
01/05/1994CN1080440A An electromagnetic device for controlling the supply of current to the electric starter motor of an internal combustion engine
01/05/1994CN1080429A Cutoff structure for circuit breaker
12/1993
12/29/1993EP0576388A1 Self-adjusting multicircuit brake switch
12/29/1993CN1080088A High-power RF switch
12/28/1993US5274204 Pressure actuated electrical contact switch
12/28/1993CA1325655C Recloser plenum puffer interrupter
12/23/1993WO1993026021A1 Material for electrical contacts based on silver-tin oxide or silver-zinc oxide
12/22/1993EP0575297A1 Isolator for electrical conductors
12/22/1993CN2150620Y White gold contact cleaning sheet
12/22/1993CN1023270C Vacuum interrupter contacts
12/21/1993US5272295 Electric contact and method for producing the same
12/16/1993DE4319137A1 Material for electrical contacts consisting of silver@ or silver@-alloy matrix - incorporate tin oxide and other oxide(s) and carbide(s), has longer service life but is less brittle than other materials
12/15/1993EP0573872A1 An electromagnetic device for controlling the supply of current to the electric starter motor of an internal combustion engine