Patents
Patents for H01H 11 - Apparatus or processes specially adapted for the manufacture of electric switches (6,731)
08/1991
08/06/1991US5038004 Miniature switch
07/1991
07/31/1991EP0438793A2 Switch device
07/31/1991CN1053509A Internal oxidating method of electric contact material and material of producing by such method
07/25/1991DE4101388A1 Mfg. switchboard pre-wired electromechanical control and display devic - assembling mechanically separable sub-units carrying push-buttons and modules on boards accommodating positional tolerances
07/24/1991EP0437917A2 Internal-oxidation method for production of electrical contact materials
07/11/1991WO1991010248A1 Switch with driving head
07/11/1991DE3943375A1 Schalter mit antriebskopf Switch with power head
06/1991
06/27/1991WO1991009410A1 All pressure switch
06/27/1991WO1991009409A1 Process for producing a surface-coated component, especially a contact member for a vacuum switch, and device for implementing the process
06/25/1991USRE33618 Method for initially polarizing and centering a piezoelectric ceramic switching device
06/25/1991US5027021 Electric actuator switch with multiple brushes
06/15/1991CA2012076A1 All pressure switch
06/13/1991DE3940647A1 Electrical switch with contact roller and spring support - preassembled together with spring in recess of switching element so that spring is compressed on assembly
06/13/1991DE3940285A1 Electrical switch with contact bar between two stops - has asymmetrical wedge profile at end of bar, reversible for NO or NC application
06/06/1991DE3939429A1 Switch contact disc mfr. for coded switches - forming contacts projecting radially outwards from disc
06/05/1991EP0430845A1 Driving gear commutator switch
06/04/1991US5021615 On/off loadbreak switch
06/04/1991US5020217 Methods for fabricating an electrical contact
06/04/1991US5020215 Method of an apparatus for manufacturing a keyboard
05/1991
05/30/1991WO1991007700A1 Process for the production of metal microstructure bodies
05/28/1991US5019156 Sintered electric contact material for vacuum switch tube and process for manufacturing the same
05/21/1991CA1284276C Means for mounting terminal blades in a housing of a timer
05/16/1991WO1991006964A1 Contact device for a changer relay
05/16/1991DE4008248C1 Rotary electrical switch with two arresting cams - moved by arrestor to engage contact parts for different switching functions
05/14/1991USRE33587 Method for (prepolarizing and centering) operating a piezoceramic power switching device
05/07/1991US5014157 Apparatus for controlling and testing an electric installation
05/07/1991US5013266 Twisted terminal for switching device
04/1991
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
04/25/1991DE3935351A1 Contact system for miniature electrical relay - has fixed contacts on plates locating on conductor pins
04/23/1991US5010214 Rotary switch
04/18/1991DE3934456A1 Mfg. mercury switch input-shaped housing - with sphere heat drying and vacuum sealing mercury in sterilised container
04/17/1991EP0422087A1 Welding set for welding a single contact element on a support element
04/16/1991US5008498 Rotary switch
04/09/1991USRE33568 Piezoelectric ceramic switching devices and systems and methods of making the same
04/09/1991US5006680 Miniature
04/04/1991WO1991004567A1 High current switch components
04/03/1991EP0420609A2 On/off loadbreak switch
04/03/1991EP0419940A2 Method of manufacture of a housing for a vacuum switch
03/1991
03/27/1991EP0418263A1 Electromagnetic switching device
03/26/1991US5003283 Thermal cutoff with lead indicia
03/21/1991WO1991003830A1 Multi-element metallic composite article and method of manufacture
03/20/1991EP0418206A2 A fuse-disconnecting switch
03/13/1991EP0415969A1 Contact bolt for switches, switching relays and the like
03/12/1991US4999464 Molded case circuit breaker contact and contact arm arrangement
03/12/1991CA1281370C Wall box dimmer switch with plural remote control switches
03/06/1991EP0414709A1 Sintered contact material based on silver for use in power engineering switchgear, in particular for contact pieces in low-voltage switches.
03/05/1991US4998085 Front surface grid for thermostat subbase
02/1991
02/26/1991US4996401 Push-button
02/26/1991CA1280796C Pushbutton switch using dome spring and switch element thereof
02/21/1991DE3943377C1 Locking closure for electrical switching appts. housing - has arresting nose on cover engaging recess in housing and locking part arresting snap coupling
02/19/1991US4993787 Electromagnetic relay
02/06/1991EP0411940A2 Electric contact material
02/06/1991EP0411331A2 Switch contact arrangement
02/06/1991EP0410984A1 Spool body and process for producing a spool body.
02/06/1991EP0155322B1 Electrode of vacuum breaker
02/05/1991US4990875 Circuit breaker
01/1991
01/30/1991EP0410472A2 Electric contact
01/30/1991CN1011450B Kinematic tranmission system between the operating mechanism and poles of a moulded insulating case electrical circuit breaker
01/23/1991EP0409047A2 Method of manufacturing a vacuum interrupter chamber
01/09/1991CN1048412A Method of forming compacts
01/09/1991CN1048411A Method of forming compacts
01/08/1991US4983794 Snap action switching device
01/08/1991US4983788 Electric switch mechanism for relays and contactors
12/1990
12/31/1990CA2017867A1 Methods of making high performance compacts
12/31/1990CA2017840A1 Method of making dimentionally reproducible compacts
12/25/1990USRE33504 Wall box dimer switch with plural remote control switches
12/25/1990US4980801 Protection module for a contact-maker electromagnet
12/25/1990US4980245 Multi-element metallic composite article
12/25/1990US4980221 Permeation printed plastic body
12/25/1990US4980125 Silver, mixed oxides of tin, bismuth and copper, added to bismuth zirconate or titanate; improved excess temperature behavior; motors, power switches
12/19/1990EP0403218A2 Electrical switch component and switches formed thereby
12/18/1990US4978822 Switch for integrated circuit package
12/18/1990US4978491 Molded resin casing of electronic part incorporating flexible board
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
12/12/1990EP0401595A2 Sintered electric contact material for vacuum switch tube and process for manufacturing the same
12/04/1990US4975800 Contact abnormality detecting system
11/1990
11/28/1990EP0399048A1 Panel switch and method of producing the same
11/20/1990US4971754 Forming contacts of silver and tin oxide by reaction of silver nitrate with a strong base and reduction to silver metal
11/15/1990DE3915767A1 Electrical switch unit for vehicle servo drive control - has number of contacts in parallel on pair of pressed metal elements
11/07/1990EP0395810A2 Snap action switch
11/06/1990US4968526 Method for fabricating a key top
10/1990
10/24/1990EP0393597A2 Contact device
10/23/1990US4965418 Molded case circuit breaker line strap configuration
10/17/1990EP0392836A2 Circuit protector construction
10/13/1990CA2010916A1 Circuit protector construction
10/10/1990EP0391339A2 High voltage switch gear
10/10/1990EP0391049A1 Switch, in particular switch for appliance
09/1990
09/25/1990CA1274571A1 Modular tool system switch and actuator assembly
09/04/1990US4954170 Methods of making high performance compacts and products
08/1990
08/28/1990US4952296 Device for selective galvanic coating
08/21/1990US4951018 Electromagnetic contactor
08/14/1990US4948424 Containing silver and oxides of copper, bismuth, and tin produced from intraoxdized alloys of the metals and zirconium oxide
08/14/1990US4947544 Method of manufacturing fluid pressure sensor
08/07/1990US4947122 Method and apparatus for adjusting a bimetal trip element
08/02/1990WO1990008496A1 Device for supporting the electrical and mechanical control elements of a toaster and toaster comprising such device
07/1990
07/31/1990US4945256 Device for producing even closing of a circuit breaker
07/31/1990US4945195 Rotary switch
07/26/1990CA2000444A1 Improved electromagnetic contactor
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