Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 9 - Details of switching devices, not covered by groups
Patents for H01H 9 - Details of switching devices, not covered by groups (32,796)
10/1981
10/13/1981US4295054 Electric control system with rotary mechanical interlock and timing mechanism
10/13/1981US4295053 Electric control system with mechanical interlock
10/13/1981US4295022 Trifurcated arc runner
10/13/1981US4294004 Method of assembling a switch and terminal assembly
10/06/1981US4293764 Control console
10/06/1981US4293753 Switch
10/06/1981US4293153 Panelboard vent assembly
10/06/1981CA1110304A1 Safety shield for terminal
09/1981
09/30/1981EP0036725A1 Improved electrical switch construction
09/16/1981EP0035637A1 Tap changer with potential switch for tapped transformers
09/16/1981EP0035604A1 Safety device for load tap changer
09/08/1981US4288787 Control keyboard with switches of mechanical constructions
09/01/1981US4287401 Mode-indicating mechanisms for push-button operated devices
08/1981
08/26/1981EP0034448A2 An arrangement for controlling the operation of switch contacts
08/25/1981US4286242 Mechanical interlock for low voltage circuit breakers
08/25/1981US4286125 Electric switch with two switching parts acting at different times
08/18/1981US4284865 Throttle force detector
08/18/1981CA1107329A1 High voltage electrical switch
08/12/1981EP0033479A1 Arc extinguishing arrangement for electric current limiting circuit breakers
08/12/1981EP0033409A2 Trigger operated tool handle switch
08/11/1981CA1106884A1 Compact circuit breaker having high interrupting capacity
08/11/1981CA1106881A1 Circuit breaker remote close and charged signalling apparatus
08/04/1981US4282591 Light control and indicating device
07/1981
07/29/1981EP0032694A1 Arrangement for determining the position of a switch and for the control of the accompanying conductors for short- and open-circuit
07/21/1981US4280160 Arc discharge preventing circuit of transfer switch for use with inductive loads
07/21/1981US4280031 Illuminating type push-button switch device
07/21/1981US4280026 Actuator mechanism for a portable, hand-held tool
07/21/1981CA1105531A2 Power tool switch including speed control
07/21/1981CA1105530A1 Power tool switch including speed control
07/14/1981US4278859 Circuit breaker structure
07/07/1981US4277666 Switch push button lock
07/07/1981US4277665 Illuminated push-button electrical switch
07/07/1981US4277661 Basic electric switch with an additional switch portion
07/07/1981US4277659 Power interlock switch for electrical appliances
07/07/1981CA1104365A1 Pushbutton assembly
06/1981
06/30/1981US4276461 Adjustable trigger stop
06/30/1981US4276459 Paddle switch safety button
06/30/1981CA1104184A1 Molded breaker case housing molded case circuit breaker
06/30/1981CA1103964A1 Holding and mounting device for side-by-side elements
06/25/1981WO1981001770A1 Improvements to destructible lead shut off devices by pyrotechnical effect with shunt fuse system
06/23/1981US4275372 Protected electrical inductive apparatus
06/16/1981US4274070 Proximity instant-on switch for medical and dental instruments
06/10/1981EP0029884A2 Key switch showing a symbol
06/09/1981US4272750 Power breaker apparatus
06/09/1981US4272725 Interface circuit for use with electronic control devices
06/09/1981US4272687 Power manageable circuit breaker
06/03/1981EP0029489A2 Key switch
06/03/1981EP0029467A1 Electrical apparatus comprising a series of voltage taps and mobile selector equipment
06/02/1981CA1102387A1 Snap-on handle blocking device
06/02/1981CA1102386A1 Bracket means to mount a padlock for blocking movement of a switch handle
06/02/1981CA1102057A1 Hand grip mounted switch and strain relief
05/1981
05/27/1981EP0029366A1 Self-referencing position switch
05/27/1981EP0029205A1 High-current switch
05/26/1981US4270171 Position sensing and indicating device
05/26/1981US4270032 Combined safety lever and ignition interlock switch
05/26/1981US4270031 Circuit breaker interlocking mechanism
05/26/1981CA1101913A1 Manual operating handle assembly for circuit interrupter devices
05/20/1981EP0028740A1 Switchgear with a contact arrangement
05/19/1981US4268811 Circuit interrupting device
05/19/1981US4268735 Pushbutton pilot switch
05/19/1981US4268731 Electrical switch
05/19/1981CA1101473A1 Normal open low voltage vacuum shorting switch
05/06/1981EP0028029A1 Portable electric tool
05/06/1981EP0028013A1 Power circuit breaker provided with a casing
05/06/1981EP0028012A1 Low-tension circuit breaker
05/06/1981EP0028000A1 Push-button switch
05/05/1981US4266258 Current limiting device for high voltage switching mechanisms
05/05/1981US4266210 Circuit breaker with improved arc extinguishing means
05/05/1981US4266150 Circuit arrangement for operating electromechanical switching devices
05/05/1981CA1100617A1 High voltage interconnection breaker
05/05/1981CA1100557A1 Contactor having interlock for movable contact carrier
04/1981
04/28/1981US4264793 Machine door closure safety control apparatus
04/28/1981CA1100166A1 Pressure switch with side operator mechanism and door assembly
04/21/1981US4263589 Devices for detecting the rupture of an electrical circuit element
04/21/1981CA1099811A1 Cement mixer with switch harness
04/15/1981EP0026804A1 Hermetically closed release mechanism with permanent magnet for protective fault current switch
04/14/1981CA1099362A1 Crimp-type electrical contact
04/07/1981US4260863 Vented plastic enclosure for arcing devices
04/07/1981US4260861 Handle locking means for circuit breaker
04/07/1981CA1098949A1 Circuit breaker having opening spring position indicator
04/01/1981EP0025915A1 Locking device for contact supports
03/1981
03/31/1981US4259559 Illuminated push-button electrical switch assembly
03/24/1981US4258293 High intensity discharge lighting system
03/24/1981US4257665 Polarized electrical connector
03/17/1981US4256937 Electromagnetic contactor arc chute
03/17/1981US4256932 Rotary switch
03/17/1981CA1097713A1 Puffer circuit interrupter with fluorocarbon liner
03/11/1981EP0024652A1 Cases for concatenatable installation equipment
03/11/1981EP0024411A1 Illuminated sealed rocker switch
03/10/1981USRE30546 Function indication means for electric switches
03/10/1981US4255780 Illumination assembly for use with electrical terminal units
03/10/1981US4255734 Transformer with tapped subwindings
03/10/1981US4255638 Miniature switch, sealed for soldering, with handle housing exposed
03/03/1981US4254317 Actuator with illuminated key for electric switching devices, particularly for control keys
03/03/1981US4254316 Electrical switching apparatus
03/03/1981US4254314 Arcing chamber with perforated plates of sieve-like ceramics
03/03/1981CA1096951A1 Polarised electrical connector
03/03/1981CA1096723A1 Switch and throttle lever combination for use in conjunction with snowmobile engine speed limiting system
02/1981
02/17/1981US4251845 Arc suppressor circuit
02/11/1981EP0023851A1 Device for visualizing the position of automotive vehicle headlamps
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