Patents
Patents for H01H 9 - Details of switching devices, not covered by groups (32,796)
07/1989
07/18/1989US4849587 Pendant control box
07/18/1989US4849048 Using ultraviolet curing resins
07/18/1989US4848609 Adjustable holder for TV, stereo and VCR remote control units
07/18/1989US4847942 Arrangement for switching on and off of a vacuum cleaner
07/18/1989CA1257636A1 High voltage breaker with extended barriers to prevent interpole arcing
07/13/1989DE3744604A1 Electrical switch
07/11/1989US4847719 Apparatus and method for protecting the contacts of an electrical switch from current surges
07/11/1989US4847587 Bimetal thermoswitch
07/11/1989US4847580 Solenoid-operated switch for a starter
07/11/1989US4847513 Power-operated device with a cooling facility
07/11/1989US4847455 Electric switching device
07/11/1989US4847451 Electric tool power switch assembly providing convenient reversing operation and provided with sealed switch lever structure
07/05/1989EP0322987A1 Electromagnetic switch
07/04/1989US4845460 Multipole low-voltage circuit breaker with an insulating material housing and arc-quenching chambers
07/04/1989CA1256919A1 Spark screening electrical switch
07/04/1989CA1256918A1 Shielded electrical interrupter
07/04/1989CA1256917A1 Current breaking device with solid-state switch and built-in protective circuit breaker
06/1989
06/29/1989WO1989006043A1 Circuit arrangement for switching current to a thyristor
06/29/1989DE3743244A1 Switching apparatus arrangement for connecting and disconnecting capacitors
06/28/1989EP0321594A1 Electric rotary power tool apparatus holdable by hand during operation, kit comprising the same, and novel switch means therefor
06/27/1989US4843197 Bush switch and method of production thereof
06/27/1989US4843195 Switch having dust-proof cover
06/27/1989US4843194 Air break contactor
06/27/1989CA1256477A1 Circuit breaker operator and interlock
06/21/1989EP0306494A4 Vehicular function controller having alterable function designators.
06/20/1989US4841106 Symmetric percussion switching device using a head point over-run device
06/20/1989CA1256190A1 Impulse operated relay system
06/14/1989CN2039458U Single-phase forward-inverse tumbler switch
06/14/1989CN2039456U Multi-functional plug-type pulling switch
06/14/1989CN2039453U Pulling switch with display
06/13/1989US4839483 Modular watertight switch for use in personal care appliances
06/13/1989US4838505 Remote control holder
06/13/1989CA1255726A2 Circuit-breaker
06/07/1989EP0319264A1 Rotary shaft position reed switch
06/07/1989CN2039055U Pull-switch with double joints displaying device
06/07/1989CN2039054U Push-button switch with on-off indicator
06/06/1989US4836256 Shockproof protective sheath for remote controls, in particular those of television receivers
06/01/1989WO1989005036A1 Contact arrangement with electric arcing horn and electric arc conductor
06/01/1989DE3730160C1 Hot-air drying brush
05/1989
05/31/1989EP0317784A1 Operating lever for electrical switch devices
05/31/1989CN2038661U Diphonia energy-saving pull switch
05/31/1989CN2038659U Noiseless button switch used for energy-saving starting-stop
05/31/1989CN1033221A Threephase button switch with on/off display
05/30/1989US4835502 Secure magnet blowout mounting for relays
05/30/1989US4835350 Handle operating mechanism for circuit breakers
05/30/1989US4835348 Electrical switch device
05/30/1989US4834679 Switch and terminal assembly
05/30/1989CA1254931A1 Molded case circuit breaker with an improved internal venting system
05/30/1989CA1254928A1 Control unit for power-supply circuit in electronic range
05/24/1989EP0316643A2 Remote control device
05/24/1989EP0316574A2 Electric switch system for a power tool
05/24/1989DE3838195A1 Power tap changer
05/24/1989CN2038278U Resonance blowout switch
05/24/1989CN2038276U Saving energy auto-controller for door
05/24/1989CN2038275U Electromagnetic locking device with double electric power supply applicable to both inlet and outlet wire
05/23/1989US4833339 Load control system
05/23/1989US4833284 Power relay switching control device for microwave oven
05/23/1989US4833283 Hand-held blower with interior waterproof switch assembly
05/23/1989US4833280 Slide switch having improved holding structure for the movable contact
05/23/1989US4832626 Adapter
05/23/1989CA1254647A1 Current-limiting surge arrester disconnector
05/23/1989CA1254635A1 Switching control apparatus for vending machine alternating current device switching
05/23/1989CA1254602A1 Switch for a high-voltage interrupting module
05/17/1989CN2037868U Pull-toggle switch capable of displaying on or off
05/17/1989CN2037867U Pullswitch with safety device
05/17/1989CN2037866U Interlocking mechanism for power switch
05/17/1989CN2037865U Program-controlled energy-saving switch
05/16/1989US4831487 Reactor switch arc-back limiting circuit
05/16/1989US4831350 Rotary shaft position reed switch
05/16/1989US4831347 Air break contactor
05/11/1989DE3833808A1 Low-voltage DC power switch with electric-arc control plates
05/10/1989EP0315528A1 Visualisation system for the function positions of an electrical switch
05/10/1989EP0315199A2 Ultrasonic transducer and current loop transmitter
05/10/1989CN2037496U Luminous power switch
05/09/1989US4829278 Circuit breaker trip bar interlock
05/09/1989CA1253952A1 Retaining device for mounting electrical units
05/05/1989WO1989004014A1 Transmitter with magnetic zero/span actuator
05/03/1989EP0314540A1 Opening device for a multipole circuit breaker with a rotating contact bridge
05/03/1989EP0313987A1 Electric switch for a power tool
05/03/1989EP0313954A1 Interlocking arrangement for two switching devices especially protective contactors
05/03/1989EP0313804A1 Hair-dressing appliance with a switching arrangement
05/03/1989CN2037101U Luminous switch
05/03/1989CN2037100U 多功能墙壁开关 Multi-function wall switch
05/03/1989CN2037098U Operation mechanism for complete equipment of high voltage switch
05/02/1989US4827089 Molded case circuit breaker interlock arrangement
05/02/1989CA1253546A1 Molded case circuit breaker with an improved arc gas external venting system
05/02/1989CA1253542A1 Circuit breaker with arc gas vent baffle
04/1989
04/27/1989DE3734396A1 Electrical switching apparatus
04/26/1989EP0313542A2 Device for the controlled switching of inductive elements in a high-voltage network
04/25/1989US4825336 Power distribution board with improved mounting arrangement for circuit interrupters
04/25/1989US4825200 Reconfigurable remote control transmitter
04/25/1989US4823600 Ultrasonic transducer and current loop transmitter
04/25/1989CA1253245A1 Solid state circuit interruption employing a stored charge power transistor
04/20/1989WO1989003582A1 Electric switch actuating mechanism
04/20/1989DE3735936C1 Plastic component which can be compressed on a plate
04/19/1989EP0311732A1 Office apparatus, especially a matrix printer
04/19/1989CN2036307U Pull swithc with on-off display
04/19/1989CN2036306U Pull swtich with state display
04/18/1989US4823021 Circuit for detecting on/off states of switches
04/18/1989US4822965 Lid locking mechanism in automobile switch panel device