Patents
Patents for H01H 9 - Details of switching devices, not covered by groups (32,796)
04/1991
04/16/1991US5008503 Switch with colored indicator cap
04/16/1991US5008499 Bi-stable interlock arrangement for molded case circuit breakers
04/11/1991DE4019894A1 Hand held electric power tool with pistol grip handle - has motor and main weight concentrated in handle with short tool spindle for improved location and drive control via geared transmission
04/11/1991DE3933535A1 Gas-insulated metal-clad switchgear installation - has plug connection to feedthrough leading to pivot of lever which moves contact reversibly between bus-bar and earthing point
04/10/1991EP0421891A1 Static quick cut out with galvanic disconnection
04/10/1991CN2074935U Seesaw type switch capable of lighting at night
04/10/1991CN2074934U Pullswitch with different two sounds
04/10/1991CN2074933U Mechanical program linkage lock for fixed high-voltage switch cabinet
04/03/1991CN2074494U Push-button switch with power on-off indicator
04/02/1991US5005084 Remote control television system using supplementary unit for simplified personalized control
04/02/1991US5004879 Switch housing with resilient retainers
04/02/1991US5004874 Direct current switching apparatus
04/02/1991CA1282446C Molded case circuit breaker with combined position indicator and handle barrier
03/1991
03/27/1991EP0419325A1 Current limiting switching device
03/27/1991EP0419324A1 Circuit breaker device with arcing assisting current loops
03/27/1991EP0418919A2 Multicircuit control apparatus and control method therefor
03/27/1991EP0418786A2 Circuit breaker
03/27/1991EP0418755A2 Current limiting circuit breaker
03/27/1991EP0418754A2 Current limiting apparatus
03/27/1991EP0418605A2 Luminous key switch
03/26/1991US5003137 Switch
03/26/1991US5001910 Control system
03/20/1991EP0418206A2 A fuse-disconnecting switch
03/20/1991EP0418152A1 Modular, especially electrical, device with a protective cover for reference marks
03/20/1991EP0417218A1 A line terminal and arc stack for a circuit breaker
03/19/1991US5001312 High current repetitive switch having no significant arcing
03/14/1991CA2024645A1 Ultra high-speed circuit breaker with galvanic isolation
03/13/1991EP0417048A2 Electrical switching arrangement with illuminating means
03/13/1991EP0415937A1 Snap-action spring drive for load-reversing switches of multiple contact switches
03/12/1991US4999465 Light switch plate cover
03/12/1991US4998893 Plastic casing provided with coding elements for machine processing
03/12/1991US4998589 Variable speed drill control cam apparatus
03/12/1991US4998318 Knob device
03/12/1991CA1281373C Short circuit protection device including a breaker-limiter for alternating current
03/12/1991CA1281370C Wall box dimmer switch with plural remote control switches
03/06/1991EP0415044A2 Contact arrangement for tap-changers or tap transformers
03/06/1991CN2072723U Pullswitch
03/06/1991CN1011896B Power switch controller of washer etc.
02/1991
02/28/1991DE3927518A1 Line signal conversion circuitry - uses bipolar switch and AC source and series transformer at opposite ends of line
02/27/1991EP0413776A1 Steering column switch for motor vehicles.
02/27/1991CN2072270U Light saving switch
02/26/1991US4996507 Circuit breaker
02/26/1991US4996408 Proximity switch for use in welding facilities
02/22/1991CA2023596A1 System for monitoring electrical contact activity
02/21/1991WO1991001896A1 Pressure sensor for motor vehicle tyres
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
02/21/1991DE3926933A1 Electrical switch for motor vehicles - has housing with bracket that fixes on steering column
02/20/1991EP0413220A1 Auxilliary switch module
02/20/1991CN2071826U Electricity-saving dimming illumination pull switch
02/19/1991US4995094 DC motor control circuit providing variable speed operation
02/19/1991US4994641 Beverage brewer with an electric flow-through heater operable in two power steps
02/19/1991CA1280492C Vehicular function controller having alterable function designators
02/14/1991DE4029344A1 Safety switch unit - has interlock mechanism to prevent accidental operation
02/14/1991DE3926644A1 Remote control switchgear with signalling of switching state - receives signals from control centre for synchronised operation of power switches and remove indication feedback switch
02/14/1991DE3926245A1 Reifendrucksensor fuer kraftfahrzeuge Tire pressure sensor for motor vehicles
02/14/1991DE3926098A1 Starter switch for electrically driven appts. - has several handles, operatable in arbitrary sequence for switch-on step
02/14/1991DE3924693A1 Small, universal safety arrangement for control circuits - is intermediates port contg. switch, parallel diode, RC element, optical coupler and tests for open and short circuits
02/13/1991EP0412418A2 Stop request button
02/13/1991EP0412368A1 Switchboard of breaker accomodation type
02/13/1991CN2071383U Low voltage double motion electrode vacuum arc-suppression room
02/13/1991CN2071381U Rotary switch for curved gear ratchet
02/13/1991CN2071379U Indication switch of acoustics
02/13/1991CN2071377U Automatic interlocking controlling device for anti-wrongly operation of high voltage switch apparatus
02/12/1991US4992904 Hybrid contactor for DC airframe power supply
02/12/1991US4992784 Remote control set
02/12/1991US4992631 Multi-directional switch assembly
02/12/1991US4991892 Multiple
02/12/1991US4991817 Caddy for remote controls
02/07/1991DE4018411A1 Pushbutton element for vehicle console - with display characters that are formed by localised heating of surface lacquer coating
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
02/07/1991CA2015512A1 Switch for two-way hand-held transceiver
02/06/1991EP0412023A1 Circuit breaker or modular switch equipped with an isolating module
02/06/1991CN2070948U Pulling switch with on-off display
02/06/1991CN2070947U Photo-adjusting electric saving illumination switch on wall
02/05/1991US4991061 For mounting electrical components
02/05/1991US4990730 Illuminated push-button switch
02/05/1991US4990729 Teaching console panel for robot
01/1991
01/31/1991DE3924909A1 Verfahren zum betrieb eines elektrischen leistungsschalters Method for operating an electrical circuit breaker
01/31/1991DE3924886A1 Two-colour injection moulding to produce undercut sections - by moulding undercut component insert first and then second material around it, avoiding need for complicated sliding tool
01/31/1991DE3924653A1 Monitoring circuit for pulse controlled DC load - provides binary logic sensing and control of fault condition in load or its associated FET switching device
01/31/1991DE3924172A1 Sequential operation control system - has contact elements in panel that are controlled to specific actions via series of T-shaped channels
01/31/1991DE3924161A1 Individual electronic module connecting device - has mounting base, housing for receiving appropriate electronic component, and at least one input aperture for electrical leads
01/30/1991EP0410902A1 Low tension circuit-breaker for high currents with multiple contacts
01/30/1991EP0410235A2 Electric switch gear
01/30/1991EP0410194A1 Remote control transmitter
01/30/1991CN2070505U Universal electric elements
01/30/1991CN1011450B Kinematic tranmission system between the operating mechanism and poles of a moulded insulating case electrical circuit breaker
01/29/1991US4988965 Detecting the passage of a magnet
01/29/1991US4988553 Mounting structure of switching unit
01/24/1991DE4004464A1 Compact electric hand tool
01/24/1991DE4004463A1 Switching device for range of modular electric hand tools - has internal of external manually controlled ring for operating interior switch plate and brush angle for reversing motor
01/24/1991DE3923747A1 Pushbutton actuator for electrical switch - has top cover with symbol in braille and also in normal numerical form
01/23/1991EP0409613A2 Electromagnetic relay having an improved terminal piece structure
01/23/1991EP0408988A2 Universal electric motor
01/23/1991EP0408987A2 Electric tool
01/23/1991EP0408986A2 Switch device for electrical change-over switching of electric tools
01/23/1991EP0408985A2 Hand held electric tool
01/23/1991CN2070030U Self-locking bush-botton with a indicator lamp
01/22/1991US4987279 Display button of push-button switch
01/16/1991EP0408544A2 Relay