| Patents for H01H 9 - Details of switching devices, not covered by groups (32,796) |
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| 04/16/1991 | US5008503 Switch with colored indicator cap |
| 04/16/1991 | US5008499 Bi-stable interlock arrangement for molded case circuit breakers |
| 04/11/1991 | DE4019894A1 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 |
| 04/11/1991 | DE3933535A1 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 |
| 04/10/1991 | EP0421891A1 Static quick cut out with galvanic disconnection |
| 04/10/1991 | CN2074935U Seesaw type switch capable of lighting at night |
| 04/10/1991 | CN2074934U Pullswitch with different two sounds |
| 04/10/1991 | CN2074933U Mechanical program linkage lock for fixed high-voltage switch cabinet |
| 04/03/1991 | CN2074494U Push-button switch with power on-off indicator |
| 04/02/1991 | US5005084 Remote control television system using supplementary unit for simplified personalized control |
| 04/02/1991 | US5004879 Switch housing with resilient retainers |
| 04/02/1991 | US5004874 Direct current switching apparatus |
| 04/02/1991 | CA1282446C Molded case circuit breaker with combined position indicator and handle barrier |
| 03/27/1991 | EP0419325A1 Current limiting switching device |
| 03/27/1991 | EP0419324A1 Circuit breaker device with arcing assisting current loops |
| 03/27/1991 | EP0418919A2 Multicircuit control apparatus and control method therefor |
| 03/27/1991 | EP0418786A2 Circuit breaker |
| 03/27/1991 | EP0418755A2 Current limiting circuit breaker |
| 03/27/1991 | EP0418754A2 Current limiting apparatus |
| 03/27/1991 | EP0418605A2 Luminous key switch |
| 03/26/1991 | US5003137 Switch |
| 03/26/1991 | US5001910 Control system |
| 03/20/1991 | EP0418206A2 A fuse-disconnecting switch |
| 03/20/1991 | EP0418152A1 Modular, especially electrical, device with a protective cover for reference marks |
| 03/20/1991 | EP0417218A1 A line terminal and arc stack for a circuit breaker |
| 03/19/1991 | US5001312 High current repetitive switch having no significant arcing |
| 03/14/1991 | CA2024645A1 Ultra high-speed circuit breaker with galvanic isolation |
| 03/13/1991 | EP0417048A2 Electrical switching arrangement with illuminating means |
| 03/13/1991 | EP0415937A1 Snap-action spring drive for load-reversing switches of multiple contact switches |
| 03/12/1991 | US4999465 Light switch plate cover |
| 03/12/1991 | US4998893 Plastic casing provided with coding elements for machine processing |
| 03/12/1991 | US4998589 Variable speed drill control cam apparatus |
| 03/12/1991 | US4998318 Knob device |
| 03/12/1991 | CA1281373C Short circuit protection device including a breaker-limiter for alternating current |
| 03/12/1991 | CA1281370C Wall box dimmer switch with plural remote control switches |
| 03/06/1991 | EP0415044A2 Contact arrangement for tap-changers or tap transformers |
| 03/06/1991 | CN2072723U Pullswitch |
| 03/06/1991 | CN1011896B Power switch controller of washer etc. |
| 02/28/1991 | DE3927518A1 Line signal conversion circuitry - uses bipolar switch and AC source and series transformer at opposite ends of line |
| 02/27/1991 | EP0413776A1 Steering column switch for motor vehicles. |
| 02/27/1991 | CN2072270U Light saving switch |
| 02/26/1991 | US4996507 Circuit breaker |
| 02/26/1991 | US4996408 Proximity switch for use in welding facilities |
| 02/22/1991 | CA2023596A1 System for monitoring electrical contact activity |
| 02/21/1991 | WO1991001896A1 Pressure sensor for motor vehicle tyres |
| 02/21/1991 | DE3943377C1 Locking closure for electrical switching appts. housing - has arresting nose on cover engaging recess in housing and locking part arresting snap coupling |
| 02/21/1991 | DE3926933A1 Electrical switch for motor vehicles - has housing with bracket that fixes on steering column |
| 02/20/1991 | EP0413220A1 Auxilliary switch module |
| 02/20/1991 | CN2071826U Electricity-saving dimming illumination pull switch |
| 02/19/1991 | US4995094 DC motor control circuit providing variable speed operation |
| 02/19/1991 | US4994641 Beverage brewer with an electric flow-through heater operable in two power steps |
| 02/19/1991 | CA1280492C Vehicular function controller having alterable function designators |
| 02/14/1991 | DE4029344A1 Safety switch unit - has interlock mechanism to prevent accidental operation |
| 02/14/1991 | DE3926644A1 Remote control switchgear with signalling of switching state - receives signals from control centre for synchronised operation of power switches and remove indication feedback switch |
| 02/14/1991 | DE3926245A1 Reifendrucksensor fuer kraftfahrzeuge Tire pressure sensor for motor vehicles |
| 02/14/1991 | DE3926098A1 Starter switch for electrically driven appts. - has several handles, operatable in arbitrary sequence for switch-on step |
| 02/14/1991 | DE3924693A1 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 |
| 02/13/1991 | EP0412418A2 Stop request button |
| 02/13/1991 | EP0412368A1 Switchboard of breaker accomodation type |
| 02/13/1991 | CN2071383U Low voltage double motion electrode vacuum arc-suppression room |
| 02/13/1991 | CN2071381U Rotary switch for curved gear ratchet |
| 02/13/1991 | CN2071379U Indication switch of acoustics |
| 02/13/1991 | CN2071377U Automatic interlocking controlling device for anti-wrongly operation of high voltage switch apparatus |
| 02/12/1991 | US4992904 Hybrid contactor for DC airframe power supply |
| 02/12/1991 | US4992784 Remote control set |
| 02/12/1991 | US4992631 Multi-directional switch assembly |
| 02/12/1991 | US4991892 Multiple |
| 02/12/1991 | US4991817 Caddy for remote controls |
| 02/07/1991 | DE4018411A1 Pushbutton element for vehicle console - with display characters that are formed by localised heating of surface lacquer coating |
| 02/07/1991 | DE3925152A1 Electrical switch e.g. for vehicle reversing light - is plunger-operated with spring action to obtain good contact and to avoid burn |
| 02/07/1991 | CA2015512A1 Switch for two-way hand-held transceiver |
| 02/06/1991 | EP0412023A1 Circuit breaker or modular switch equipped with an isolating module |
| 02/06/1991 | CN2070948U Pulling switch with on-off display |
| 02/06/1991 | CN2070947U Photo-adjusting electric saving illumination switch on wall |
| 02/05/1991 | US4991061 For mounting electrical components |
| 02/05/1991 | US4990730 Illuminated push-button switch |
| 02/05/1991 | US4990729 Teaching console panel for robot |
| 01/31/1991 | DE3924909A1 Verfahren zum betrieb eines elektrischen leistungsschalters Method for operating an electrical circuit breaker |
| 01/31/1991 | DE3924886A1 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 |
| 01/31/1991 | DE3924653A1 Monitoring circuit for pulse controlled DC load - provides binary logic sensing and control of fault condition in load or its associated FET switching device |
| 01/31/1991 | DE3924172A1 Sequential operation control system - has contact elements in panel that are controlled to specific actions via series of T-shaped channels |
| 01/31/1991 | DE3924161A1 Individual electronic module connecting device - has mounting base, housing for receiving appropriate electronic component, and at least one input aperture for electrical leads |
| 01/30/1991 | EP0410902A1 Low tension circuit-breaker for high currents with multiple contacts |
| 01/30/1991 | EP0410235A2 Electric switch gear |
| 01/30/1991 | EP0410194A1 Remote control transmitter |
| 01/30/1991 | CN2070505U Universal electric elements |
| 01/30/1991 | CN1011450B Kinematic tranmission system between the operating mechanism and poles of a moulded insulating case electrical circuit breaker |
| 01/29/1991 | US4988965 Detecting the passage of a magnet |
| 01/29/1991 | US4988553 Mounting structure of switching unit |
| 01/24/1991 | DE4004464A1 Compact electric hand tool |
| 01/24/1991 | DE4004463A1 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 |
| 01/24/1991 | DE3923747A1 Pushbutton actuator for electrical switch - has top cover with symbol in braille and also in normal numerical form |
| 01/23/1991 | EP0409613A2 Electromagnetic relay having an improved terminal piece structure |
| 01/23/1991 | EP0408988A2 Universal electric motor |
| 01/23/1991 | EP0408987A2 Electric tool |
| 01/23/1991 | EP0408986A2 Switch device for electrical change-over switching of electric tools |
| 01/23/1991 | EP0408985A2 Hand held electric tool |
| 01/23/1991 | CN2070030U Self-locking bush-botton with a indicator lamp |
| 01/22/1991 | US4987279 Display button of push-button switch |
| 01/16/1991 | EP0408544A2 Relay |