Patents for H01H 1 - Contacts (16,507)
06/1991
06/11/1991US5023744 Electrotechnical
06/11/1991US5023581 Electromagnetic switch
06/11/1991US5023416 Circuit breaker
06/11/1991US5022868 Torsion insulation displacement connector
06/05/1991EP0430825A1 Sintered composite material for electrical contacts and contact discs using said material
06/04/1991US5021615 On/off loadbreak switch
05/1991
05/29/1991EP0428740A1 Electric contact material, method of producing said material, and electric contact produced therefrom
05/28/1991US5019692 Thermostatic device for fuser
05/28/1991US5019156 Sintered electric contact material for vacuum switch tube and process for manufacturing the same
05/22/1991EP0428475A2 Low tension switch with pivoted contact member
05/22/1991EP0428138A2 Direct current switching apparatus
05/22/1991EP0427885A1 Switch shaft holder for circuit breaker
05/21/1991US5017898 Electromagnetic relay
05/21/1991US5017744 Roller contact device
05/16/1991WO1991006964A1 Contact device for a changer relay
05/14/1991US5016140 Switch arranged for being mounted on a circuit board
05/08/1991EP0426490A2 Vacuum switch contact material and method of manufacturing it
05/08/1991DE3933463A1 Tulip-shaped contact with ring of contact fingers - which are individual parts of brittle material held in contact region by metal socket
05/07/1991US5013877 Devices for electrical connection
05/07/1991US5013876 Switch contacts with improved fault-closing capability
05/07/1991US5013266 Twisted terminal for switching device
05/02/1991EP0424693A2 Switch element
04/1991
04/30/1991US5012215 Protected switch contactor apparatus
04/30/1991US5012053 Contact device for a switch
04/25/1991WO1991006965A1 Device for producing a contact device, contact device and the use thereof
04/25/1991DE3935773A1 Verfahren zum herstellen einer kontaktvorrichtung A method of manufacturing a contact device
04/24/1991EP0424230A1 Improved robot
04/24/1991CN2075822U Mine kilovolt big current air isoltor
04/24/1991CN1050945A Ct quick change assembly and force transitting spacer
04/24/1991CN1050905A Copper alloy for compound electric contact mer
04/23/1991US5010214 Rotary switch
04/23/1991CA1283435C Alignment and centering arrangement for contacts of an interrupting device
04/17/1991EP0422868A2 CT quick change assembly and force transmitting spacer
04/16/1991US5008641 Polarized armature contact relay
04/16/1991US5008502 Power switching contactor
04/16/1991US5008501 Collision detecting device for motor vehicles
04/16/1991US5008498 Rotary switch
04/11/1991DE4000206A1 Circuit breaker e.g. three-pole disconnecting switch - has movable contact slidably electrically connected to fixed contact
04/10/1991CN1050648A Surface contact power connector
04/04/1991WO1991004567A1 High current switch components
04/03/1991EP0420609A2 On/off loadbreak switch
04/03/1991EP0420471A2 Electrical connectors
04/03/1991CN1012308B Anticorrosive electric contact and its manufacture method
04/02/1991US5004954 Current sensing relay
04/02/1991US5004878 Molded case circuit breaker movable contact arm arrangement
04/02/1991US5004874 Direct current switching apparatus
03/1991
03/28/1991DE3931188A1 Independent switches combination in compartment housing - forming plug by allowing contact from each switch to project from side
03/28/1991DE3931049A1 Pressure sensor esp. for monitoring motor vehicle tyre - has electric switch formed from contact rod and diaphragm welded to housing inside pressure chamber
03/27/1991WO1991005284A1 Micromechanical switch
03/27/1991EP0418786A2 Circuit breaker
03/27/1991CN1050223A Material for cu-cr-fe vacuum contact finger
03/26/1991US5003274 Electromagnetic relay
03/26/1991US5003190 Acceleration pickup, especially for release of occupant protecting devices in the event of accident
03/26/1991US5001933 Micromechanical vibration sensor
03/21/1991DE3930550A1 Switching chamber for sulphur hexa:fluoride circuit breaker - has rated current contact in region of breaker axis, surrounded by power contact
03/21/1991DE3928830A1 Illuminated pushbutton switch for cars - has socket and contact tongues surrounded by plastics material frame
03/19/1991US5001316 Push switch with printed terminal board
03/13/1991EP0416192A2 Resilient element for electrically coupling blade contacts and the like
03/13/1991EP0415969A1 Contact bolt for switches, switching relays and the like
03/12/1991US4999464 Molded case circuit breaker contact and contact arm arrangement
03/12/1991US4999336 Metal or metal alloy matrix having discrete microparticles of refractory metal oxide and additive
03/07/1991DE3929576A1 LV switch for auxiliary current circuit - enables simple variation of function capability by removing individual chambers
03/06/1991EP0415429A2 Silicone composition which does not cause faulty conduction at electrical contacts, and method for preventing conduction faults
03/06/1991EP0415107A2 Method of treating gold plating film
03/06/1991EP0414709A1 Sintered contact material based on silver for use in power engineering switchgear, in particular for contact pieces in low-voltage switches.
03/05/1991US4998183 Data transfer switch box
03/05/1991US4998085 Front surface grid for thermostat subbase
03/05/1991US4997624 Contact material for vacuum switches and process for manufacturing same
02/1991
02/27/1991EP0414657A2 Electronic device for detection and storage of short circuit currents switched off by a power circuit breaker
02/26/1991US4996507 Circuit breaker
02/26/1991US4996401 Push-button
02/20/1991CN1049425A Medium tension circuit breaker
02/19/1991US4993957 Contact pin
02/13/1991EP0412479A1 Medium voltage switch
02/12/1991CA1280140C Low voltage vacuum circuit interrupter
02/07/1991DE3925152A1 Electrical switch e.g. for vehicle reversing light - is plunger-operated with spring action to obtain good contact and to avoid burn
02/06/1991EP0411940A2 Electric contact material
02/06/1991EP0411727A1 Disconnecting arrangement with knife contacts and forked making contacts
02/06/1991EP0411331A2 Switch contact arrangement
02/06/1991EP0155322B1 Electrode of vacuum breaker
02/05/1991US4990730 Illuminated push-button switch
02/05/1991US4990272 Oligomer of alkylene oxide and polyvalent alcohol, lithiun fatty acid salt, and modified clay
01/1991
01/30/1991EP0410902A1 Low tension circuit-breaker for high currents with multiple contacts
01/30/1991EP0410119A2 Temperature switch with bimetallic switch mechanism
01/30/1991CN1011450B Kinematic tranmission system between the operating mechanism and poles of a moulded insulating case electrical circuit breaker
01/30/1991CN1011421B Use of silver-iron material for electrical contacts
01/29/1991US4988965 Detecting the passage of a magnet
01/29/1991CA1279687C Contact mechanism of electrical contact pieces
01/23/1991EP0408840A2 Multiple switch, particularly on-off- and/or change-over switch for motor vehicles and similar applications
01/23/1991EP0408582A1 Telephone junction box and switch therefor.
01/22/1991US4987396 Electromagnetic switch, in particular for starting devices of internal-combustion engines
01/22/1991US4987278 Push-button switch
01/22/1991US4987277 Normally closed pressure-actuated switch
01/16/1991CN2069608U Keyboard switch with compound printed circuit plate
01/10/1991WO1991000608A1 Shape-memory alloy micro-actuator
01/10/1991WO1991000604A1 Electrical contact unit, particularly an electrical switch
01/10/1991DE3920546A1 High-power contact esp. for low-voltage switchgear - has armature on contact lever for rapid contact sepn. triggered by flow of short-circuit current
01/09/1991EP0406496A2 Switch provided with indicator
01/09/1991CN2069168U Low voltage circuitbreaker
01/08/1991US4983941 Electromagnetically operated switch