| Patents for H01H 9 - Details of switching devices, not covered by groups (32,796) |
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| 08/06/1991 | US5038008 Member for controlling a device such as an electric switch of the kind shaped as a pivoting lever |
| 08/01/1991 | DE4101434A1 Spark absorbing switch for switching direct currents and voltages - has at least one absorbing plate with projection from which at least one further projection extends |
| 08/01/1991 | DE4002371A1 Two=part microswitch container |
| 07/31/1991 | EP0439276A2 Method for reducing signal-dependent distortion in switched-capacitor filters or the like |
| 07/31/1991 | EP0438921A1 Ganglioside derivatives and their use as medicaments |
| 07/31/1991 | CN2082042U Multifunction a.c. contactor |
| 07/31/1991 | CN2082015U Energy-saving light-changing switch |
| 07/31/1991 | CN1013420B Two-step arc extinguishing method for ac switches |
| 07/30/1991 | US5036440 Illumination type keytop |
| 07/30/1991 | US5036168 Multi-unit switch assembly |
| 07/30/1991 | CA2034464A1 Current limiting circuit breaker compact arc chute configuration |
| 07/25/1991 | DE4101388A1 Mfg. switchboard pre-wired electromechanical control and display devic - assembling mechanically separable sub-units carrying push-buttons and modules on boards accommodating positional tolerances |
| 07/25/1991 | DE3250056C2 Safety system for hand-held power tool |
| 07/24/1991 | EP0437838A1 Reactance circuit breaker for low excess voltage |
| 07/24/1991 | EP0437447A1 A switching circuit. |
| 07/23/1991 | US5034731 Automatic appliance electric state signalling label |
| 07/23/1991 | US5034620 Vehicle battery safety switch |
| 07/23/1991 | US5034578 Tap-changing bridge contact for transformer |
| 07/23/1991 | US5034575 Multi-position rotary switch with actuator blocking device and indicator |
| 07/17/1991 | EP0437151A1 Multipolar circuit-breaker with a gas filter which is common to different poles |
| 07/17/1991 | EP0436804A2 Electrical installation unit for domestic applications |
| 07/17/1991 | CN2081143U Lamp switch with indicator |
| 07/17/1991 | CN2081139U Electrothermic blanket switch capable of displaying on-off state of load |
| 07/17/1991 | CN1013231B Current breaking device with solid-state switch and built-in protective circuit breaker |
| 07/16/1991 | CA1286346C Air gap switch assembly |
| 07/11/1991 | WO1991010248A1 Switch with driving head |
| 07/11/1991 | WO1991009603A1 Ganglioside derivatives and their use as medicaments |
| 07/11/1991 | DE3943375A1 Schalter mit antriebskopf Switch with power head |
| 07/10/1991 | EP0220249B1 A safety device for switches |
| 07/09/1991 | US5031110 System for monitoring electrical contact activity |
| 07/09/1991 | US5030955 Remote control transmitter |
| 07/09/1991 | CA1286011C Electrical outlet receptacle with non-metallic mounting strap and automatic grounding |
| 07/04/1991 | DE4003247C1 Switching arrangement increasing hysteresis - has switching and control levers forming arrester released shortly before operating lever reaches rest position |
| 07/03/1991 | EP0435686A2 Contact sensor module |
| 07/03/1991 | EP0435370A2 Remote control television system using supplementary unit for simplified personalized control |
| 07/03/1991 | CN2080219U Water-proof, anti-corrosion and anti-explosion magnetic switch |
| 07/02/1991 | US5029303 Switching device |
| 06/27/1991 | WO1991008870A1 Emergency-stop circuit of robot |
| 06/27/1991 | DE3941319A1 Monitoring switch for machine control - sending binary coded monitoring signal to monitored contact and comparing returned signal with original |
| 06/26/1991 | EP0433592A1 Computer controlled electric timer |
| 06/26/1991 | CN2079835U Touch delay switch with flash indicating |
| 06/26/1991 | CN2079797U Multipurpose safety knife switch with bakelite cover |
| 06/25/1991 | US5027096 Key blocks for circuit breaker |
| 06/20/1991 | DE3941882A1 HV breaker switch with function monitoring - using current and temp. sensors for each contact point with optical signal transmission to earth potential |
| 06/19/1991 | EP0433003A1 Interface assembly for bulkheads in explosive environments |
| 06/19/1991 | EP0432865A2 Miniature dual in-line package electrical switch |
| 06/19/1991 | EP0432286A1 Key switch for the control of lifting devices and crane installations |
| 06/19/1991 | EP0432285A1 Hanging manipulator for the control of hoisting gears and/or cranes |
| 06/19/1991 | EP0432284A1 Pendant push button switches for controlling of lifting and/or crane devices |
| 06/19/1991 | CN2079350U Pullswitch with on/off display |
| 06/19/1991 | CN1052393A High tension dc. current-limiting circuit breaker |
| 06/14/1991 | CA2032196A1 Vehicle battery having integral safety switch |
| 06/13/1991 | DE4000827C1 Reversing or gear change indicator switch - has foil membrane of high molecular resin composition between plunger and contact space to prevent oil reaching contacts |
| 06/12/1991 | EP0431510A1 Limiting high tension direct-current circuit breaker |
| 06/12/1991 | CN1052214A Integral safety switch |
| 06/11/1991 | US5023469 Interlock system for bypass/isolation automatic transfer switch |
| 06/09/1991 | CA2031832A1 High voltage, d.c. limiting circuit breaker |
| 06/06/1991 | DE4004337C1 Door bell switch - has actuator panel formed with slot and has location for name card |
| 06/06/1991 | DE3939720A1 Electrical switch - has manual actuator knob with facility to select which direction is selected for on state |
| 06/05/1991 | EP0430007A2 A mechanical control device for an electric switch |
| 06/05/1991 | CN2078488U Life-increasing switch |
| 06/05/1991 | CN2078487U Power supply switch with flash indicator |
| 06/04/1991 | US5021616 Switch cover |
| 05/29/1991 | EP0429159A2 Relay with ARC sensor |
| 05/29/1991 | EP0429158A2 Relay with control ciruit to minimize arcing |
| 05/29/1991 | EP0428842A2 Energy accumulator for a breaker of an on-load tap changer in step-down transormers |
| 05/28/1991 | US5019676 Auxiliary operator for circuit interrupting apparatus with interlock between switch and housing |
| 05/23/1991 | DE4008161C1 Integrated circuitry projecting and controlling electrical appts. - has voltage limiter delivering pulse signal to counter if mains voltage is applied in-front of main switch |
| 05/23/1991 | DE3938489A1 Self-contained wall-mounted relay-switch - has sealed body with latchable contacts and ON display light |
| 05/23/1991 | DE3938295A1 Medium-voltage switchgear with plug an timing circuits - has flexible wiring to controlling motor and trip mechanisms from output stage of printed circuit board |
| 05/22/1991 | EP0428426A1 Adjustable mounting flange for proximity detector |
| 05/22/1991 | EP0428277A2 Shaft position indicating and display means with adjustable mounting adapter |
| 05/22/1991 | EP0428138A2 Direct current switching apparatus |
| 05/22/1991 | CN2077583U Energy-saving switch |
| 05/21/1991 | US5018049 Housing for electronic switchgear |
| 05/21/1991 | US5018043 Removable modular control device for a contactor apparatus |
| 05/21/1991 | US5017837 Indicator lamp system |
| 05/15/1991 | CN2077156U High-pressure oil switch tank top protecting cover |
| 05/15/1991 | CN2077155U Universal pullswitch with on-off display |
| 05/14/1991 | CA2021603A1 Current limiting circuit breaker contact arm configuration |
| 05/09/1991 | CA2014846A1 Tap selector anti-arcing system |
| 05/08/1991 | DE3936434A1 Linear programme switch - operates multiple switch contacts simultaneously or sequentially |
| 05/08/1991 | DE3936420A1 Screened contact for transformer tap switch - has screen held on shaft by recessed spring plate, insertable over contact end |
| 05/07/1991 | US5014036 Thermal and current sensing switch |
| 05/07/1991 | US5014027 Electromagnetic contactor |
| 05/07/1991 | US5013875 Contact configuration with an arcing horn and an arc conducting piece |
| 05/02/1991 | EP0424631A1 Cylindrical on-load tap changer for step-down transformers |
| 05/02/1991 | DE3936553A1 Electronic switching device - has built-in potentiometer for setting that is accessed through sidewall |
| 04/30/1991 | US5012214 Lock mechanism for a limiting contact maker |
| 04/30/1991 | US5012057 Trigger switch |
| 04/24/1991 | EP0423673A1 Speed regulator for electric motors of electric tools |
| 04/24/1991 | CN2075820U On/off display knife switch |
| 04/24/1991 | CN2075818U 节电开关 Saving switch |
| 04/24/1991 | CN2075817U Pullswitch |
| 04/24/1991 | CN1050945A Ct quick change assembly and force transitting spacer |
| 04/23/1991 | US5010462 Illumination device for a hand-held remote control unit |
| 04/23/1991 | US5010215 Electrical switching mechanism |
| 04/18/1991 | WO1991005223A1 Device for the analog triggering of a digital adjustment process |
| 04/17/1991 | EP0422868A2 CT quick change assembly and force transmitting spacer |
| 04/16/1991 | US5008516 Relay control method and apparatus for a domestic appliance |