| Patents for H01H 35 - Switches operated by change of a physical condition (7,690) |
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| 07/16/1991 | CA1286203C Piston position detecting device for fluid pressure cylinder |
| 07/11/1991 | WO1991010249A1 Control actuator and switch |
| 07/10/1991 | CN1052971A Control actuator and switch |
| 07/09/1991 | US5030955 Remote control transmitter |
| 07/03/1991 | CN2080226U 压力继电器 Pressure Relay |
| 07/03/1991 | CN2080225U Hydraulic water tower self-control switch |
| 07/02/1991 | US5028808 Devices capable of sensing rotary motion |
| 07/02/1991 | US5028750 Magnetic |
| 07/02/1991 | US5028749 Pressure switch |
| 06/27/1991 | DE4032717A1 Motion value sensor with magnetic field detector - has permanent magnet and detection with at least one Reed switch |
| 06/26/1991 | EP0434329A2 Normally open pressure switch |
| 06/26/1991 | EP0433377A1 Vehicle crush zone crash sensor |
| 06/26/1991 | CN2079798U Servo switch |
| 06/25/1991 | US5025667 Hermetic pressure sensor |
| 06/19/1991 | EP0432245A1 Safety device for the closure edge of a door |
| 06/19/1991 | CN2079351U 风速开关 Speed switch |
| 06/19/1991 | CN1052283A Pressure sensor system |
| 06/18/1991 | US5024294 Differential pressure transducer |
| 06/14/1991 | CA2032196A1 Vehicle battery having integral safety switch |
| 06/13/1991 | DE4002845C1 Electromechanical deceleration sensor operated magnetically - has permanent magnet system mounted on leaf spring esp. for safety retention appts. in motor vehicle |
| 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 | EP0431217A2 Delta P/delta t pressure sensor system |
| 06/11/1991 | US5023758 Single arc discharge headlamp with light switch for high/low beam operation |
| 06/04/1991 | US5021619 Flow responsive switch apparatus |
| 06/04/1991 | US5021618 Acceleration responsive switch |
| 05/30/1991 | CA2030925A1 Hermetically sealed damped sensor |
| 05/29/1991 | CN2078042U Automatic controlled float-switch |
| 05/29/1991 | CN2078041U Automatic controlled lamp switch for the use of preventing pupil myopia |
| 05/28/1991 | US5019678 Fluid flow switches with low flow resistance |
| 05/28/1991 | US5018550 Dishwasher overfill protection device |
| 05/22/1991 | EP0428360A2 Single arc discharge headlamp with light switch for high/low beam operation |
| 05/21/1991 | US5018049 Housing for electronic switchgear |
| 05/21/1991 | US5017748 Float switch with buoyant housing and switch operating means within the housing |
| 05/21/1991 | US5017743 Gas damped deceleration switch |
| 05/21/1991 | US5016442 Master cylinder with fluid level and pressure failure detector |
| 05/14/1991 | US5015808 Normally open pressure switch |
| 05/14/1991 | CA2025363A1 Single arc discharge headlamp with light switch for high/low beam operation |
| 05/08/1991 | EP0426405A2 Flow switch |
| 05/07/1991 | US5012740 Electrorheologically damped impact system |
| 05/04/1991 | WO1991006685A1 A free machining, non-magnetic, austenitic stainless steel alloy and a magnetically biased device incorporating the same |
| 05/02/1991 | DE3936155A1 Water jet cleaning pump control - has control valve that responds to pressure limit signal to shut off pump |
| 05/01/1991 | CN2076270U 振动开关 Vibration Switch |
| 04/30/1991 | US5012050 Dual pole switch assembly for an inertia actuated switch |
| 04/30/1991 | US5011182 Velocity change sensor with contact retainer |
| 04/25/1991 | DE3935298A1 Vehicle tyre pressure sensor - has membrane switch actuator with liq.-filled bellows with increasing pressure threshold with speed |
| 04/24/1991 | EP0423462A1 Apparatus to monitor the airtightness of a vehicle tyre |
| 04/23/1991 | US5010461 Multicolor pressure-sensitive illuminating display platform |
| 04/23/1991 | US5010218 Float controlled switch |
| 04/23/1991 | US5010217 Inertia switch mounting housing |
| 04/23/1991 | US5010216 Velocity change sensors |
| 04/18/1991 | WO1991005357A1 Condition responsive switching apparatus |
| 04/17/1991 | EP0422819A1 Rolamite sensor |
| 04/17/1991 | EP0379574A4 Compact crash sensing switch with air channels and diagnostic system |
| 04/16/1991 | US5008529 Photoelectric switching apparatus of reflection type projecting red and infrared light |
| 04/16/1991 | US5008501 Collision detecting device for motor vehicles |
| 04/16/1991 | CA1283150C Pressure responsive switch |
| 04/10/1991 | CN2074936U Air relay |
| 04/09/1991 | US5006678 Pressure switch with deadband adjustment |
| 04/09/1991 | US5006676 Movement sensor switch |
| 04/09/1991 | US5005861 Velocity change sensor with double pole sensor |
| 04/07/1991 | WO1991005266A1 Impact sensor |
| 04/07/1991 | CA2039145A1 Impact sensor |
| 04/07/1991 | CA2026921A1 Velocity change sensor with adjustment screw |
| 04/04/1991 | WO1991000607A3 Fluid activated switch apparatus |
| 04/02/1991 | US5004908 Reflection type photoelectric switch for detecting the presence of an object |
| 04/02/1991 | US5004876 Pressure responsive switch particularly adaptable for operation as a normally open or a normally closed switch |
| 04/02/1991 | US5004873 Plural set point pressure responsive switching apparatus utilizing a single pressure sensing driver element |
| 03/28/1991 | DE3931049A1 Pressure sensor esp. for monitoring motor vehicle tyre - has electric switch formed from contact rod and diaphragm welded to housing inside pressure chamber |
| 03/27/1991 | CN2074050U Automatic control switch for liquid level |
| 03/26/1991 | US5003190 Acceleration pickup, especially for release of occupant protecting devices in the event of accident |
| 03/26/1991 | US5003169 Photoelectric switch having changeable length |
| 03/26/1991 | US5001933 Micromechanical vibration sensor |
| 03/19/1991 | US5001317 Fluid activated switch apparatus |
| 03/19/1991 | CA1281755C Pressure limited differential pressure switch |
| 03/13/1991 | EP0415943A1 Sensor for measuring a motional parameter, in particular crash sensor for a motor vehicle |
| 03/13/1991 | CN2073159U Differential pressure relay |
| 03/13/1991 | CN2073158U 滚珠式倾斜开关 Ball Tilt Switches |
| 03/05/1991 | US4998097 Mechanically operated pressure switch having solid state components |
| 03/05/1991 | US4998087 Pressure or temperature responsive switch having temperature gradient between sensor and electrical output |
| 02/27/1991 | CN2072275U Power supply telecontroller for household electric appliances |
| 02/27/1991 | CN2072274U Gas relay |
| 02/26/1991 | US4996396 Flow switch |
| 02/26/1991 | US4995639 Vehicle crush zone crash sensor |
| 02/12/1991 | US4992905 High current pressure sensitive interrupters |
| 02/12/1991 | US4992633 Contained pressure activated switch |
| 02/05/1991 | US4990728 Pressure switch and sub-assembly therefor |
| 02/05/1991 | CA1279887C Tape element and methods, for heating, pressure measurement and circuit fabrication |
| 01/30/1991 | EP0410194A1 Remote control transmitter |
| 01/29/1991 | US4988978 Liquid level indicator for storage tanks |
| 01/29/1991 | US4988839 Momentum activated electrical switch |
| 01/29/1991 | CA1279684C Pressure sensitive switch |
| 01/27/1991 | CA2004775A1 Master cylinder |
| 01/23/1991 | EP0408842A2 On-off switch |
| 01/23/1991 | CN2070031U Automatic switch valve actuated intermittently by air pressure valve and spring |
| 01/22/1991 | US4987276 Deceleration switch |
| 01/22/1991 | CA1279358C Temperature controller for a waterbed |
| 01/16/1991 | EP0408049A2 Tourniquet for regulating applied pressures |
| 01/16/1991 | CN1048523A Abnormal tyre pressure alarm device and electric switch |
| 01/15/1991 | US4985604 Rolamite sensor |
| 01/10/1991 | WO1991000607A2 Fluid activated switch apparatus |