Patents for H01H 35 - Switches operated by change of a physical condition (7,690) |
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05/03/2000 | CN1252171A Current interrupter for electrochemical cells |
05/03/2000 | CN1252170A Current interrupter for electrochemical cells |
05/02/2000 | US6057773 Unanchored sensor for fluid characteristics |
04/26/2000 | CN2376075Y Water-level alarm switch |
04/26/2000 | CN2376074Y Overflow alarm switch |
04/18/2000 | US6051800 Snap action switch |
04/12/2000 | EP0993013A1 A safety switch intended to be fitted in an electrical circuit of a motor vehicle |
04/12/2000 | CN1250219A Tilt sensor |
04/05/2000 | EP0990568A1 Protection device for the motor of a windscreen wiper drive module |
04/05/2000 | CN2372779Y Switch controlled by fluid pressure |
04/05/2000 | CN2372538Y Lubricating oil-deficiency stop device for electric air compressor |
03/29/2000 | CN1050903C Seismosensitive element |
03/21/2000 | US6040536 Pressure responsive switch and method of making same |
03/21/2000 | CA2006748C Control actuator and switch |
03/16/2000 | WO2000014757A1 Valve assembly and actuator operative for automatically shutting off water and gas supplies to a hot water heater |
03/15/2000 | CN2369345Y Pressure switch |
03/14/2000 | US6037071 Current interrupter for electrochemical cells |
03/14/2000 | CA2055776C Impact sensor for vehicle safety restraint system |
03/08/2000 | CN2368152Y Permanent-magnet type water-power linked switch |
03/08/2000 | CN2367318Y Automatic alarming device for gravity infusion |
03/07/2000 | US6034614 Seismically activated apparatus |
03/02/2000 | DE19939039A1 Fuel quantity detector for automobile fuel tank, uses variation in relative spacing between two opposing walls of fuel tank storage chamber in dependence on stored quantity of fuel |
03/01/2000 | CN2366966Y Centrifugal switch for induction motor |
02/29/2000 | US6030290 Momentary contact motion switch for video games |
02/23/2000 | EP0981052A2 Semiconductor accelerometer switch and a method of producing the same |
02/23/2000 | EP0980494A1 Motion sensitive bicycle safety light and method of using same |
02/22/2000 | US6028275 Tilt switch |
02/17/2000 | DE19841372C1 Safety device is for washing machines and dishwashers and has float-operated electrical switch to control water supply |
02/17/2000 | DE19818838C2 Druckschalter Pressure Switch |
02/15/2000 | US6024116 Valve assembly and acuator operative for automatically shutting off water and gas supplies to a hot water heater upon detection of a water leak |
01/27/2000 | WO2000004562A1 Force-responsive detectors and systems |
01/27/2000 | WO2000003953A1 Water treatment apparatus and components |
01/27/2000 | CA2337832A1 Force-responsive detectors and systems |
01/26/2000 | EP0974168A1 Current interrupter for electrochemical cells |
01/26/2000 | EP0974167A1 Current interrupter for electrochemical cells |
01/26/2000 | CN2360928Y Water-deficient automatic cut-off device for electric and gas rice cooking vehicle |
01/25/2000 | US6018130 Roll-over sensor with pendulum mounted magnet |
01/20/2000 | WO2000003458A1 Connector for electric household appliance |
01/20/2000 | CA2302823A1 Connector for electric household appliance |
01/12/2000 | CN2358548Y Lubrication pressure detector switch |
01/12/2000 | CN2358547Y Compass type electronic switch |
01/12/2000 | CN2357953Y Automatic blanket for power-drive vehicle |
01/06/2000 | WO2000000801A1 Fluid leakage sensors |
01/06/2000 | CA2377878A1 Fluid leakage sensors |
01/04/2000 | US6011415 Shock sensor circuitry and method for amplifying an input signal including leakage currents |
01/04/2000 | US6009970 Tape switch crush sensor |
01/04/2000 | US6009762 Fluid flow detector |
12/28/1999 | US6008732 Motor vehicle display apparatus |
12/28/1999 | US6006855 Borehole seismic detector system employing stabilizers |
12/21/1999 | US6005205 Tilt switch |
12/21/1999 | CA2158623C Pressure switch |
12/16/1999 | DE19909123A1 Automatic power cutoff device for transport vehicle accident |
12/15/1999 | EP0964324A1 Controller for plural area sensors |
12/15/1999 | EP0964272A1 Multi-optical-axis photoswitch and method of displaying its state |
12/15/1999 | CN2354232Y 指针式密度继电器 Analog density relay |
12/14/1999 | US6002091 Bi-directional shock sensor employing reed switch |
12/08/1999 | EP0962788A2 Multi-optical-path photoswitch having capable of detecting multiple light emission |
12/08/1999 | EP0962661A1 Differential pressure switching valve with electrical switch |
12/08/1999 | CN2353035Y Inner float ball type liquid level alarming switch |
12/07/1999 | US5998749 Single throw pump switch |
12/07/1999 | US5998745 Vacuum detection switch |
12/07/1999 | US5998051 Current interrupter for electrochemical cells |
11/30/1999 | US5992218 Water leakage protector apparatus |
11/25/1999 | WO1999060592A1 Roll-over shunt sensor |
11/25/1999 | CA2331011A1 Roll-over shunt sensor |
11/24/1999 | EP0959325A2 Photoelectric switch, fiber-type photoelectric switch, and color discrimination sensor |
11/24/1999 | EP0637397B1 Rupture disk sensing assembly |
11/23/1999 | US5990428 Pressure switch for hydraulic pump |
11/23/1999 | US5990427 Movable acceleration switch responsive to acceleration parallel to plane of substrate upon which the switch is fabricated and methods |
11/23/1999 | US5987988 Acceleration sensor and method for manufacturing thereof |
11/17/1999 | EP0957334A2 Photoelectric switch, fiber-type photoelectric switch, and color discrimination sensor |
11/17/1999 | CN2349711Y Operation convenient and accurate remote controller |
11/17/1999 | CN2349661Y External regulation type gas relay |
11/17/1999 | CN2349660Y Water flow control electromagnetic switch for electric water-heater |
11/16/1999 | US5986224 Acoustic condition sensor employing a plurality of mutually non-orthogonal waves |
11/16/1999 | US5983724 Shock sensor with rotating magnetorestrictive effect element |
11/11/1999 | WO1999057740A1 Battery-type electric power supply device |
11/11/1999 | DE19819919A1 Micromechanical acceleration sensor, e.g. for recording motor vehicle accelerations |
11/11/1999 | DE19818838A1 Druckschalter Pressure Switch |
11/10/1999 | EP0955730A2 Multi-optical-path photoelectric switch |
11/10/1999 | EP0955729A2 Multi-optical-path photoelectric switch |
11/10/1999 | EP0955472A1 Seat valve |
11/10/1999 | EP0955471A1 Electrohydraulic clamping module |
11/10/1999 | EP0954894A1 Reverse battery protecting device for the on-board electric network of a vehicle |
11/10/1999 | CN2348483Y Vibration type circuit switch |
11/09/1999 | US5982047 Pressure switching device |
11/03/1999 | EP0954040A1 Safety device and secondary battery using the same |
11/03/1999 | EP0954000A2 Pressure switch |
11/03/1999 | CN2347258Y Low hydraulic switch |
11/03/1999 | CN2347252Y 电路开关 Circuit breaker |
10/28/1999 | DE19811071C1 Acceleration sensor using ring magnet for vehicle |
10/26/1999 | US5973586 Temperature sensitive tip-switch |
10/26/1999 | US5970797 Differential pressure detection system for signaling electrically-activated valve |
10/21/1999 | DE19917100A1 Differential pressure switch has housing circumferential wall and solid one piece non-perforated partition joined integrally at circumferential wall across entire periphery of |
10/20/1999 | EP0951068A1 Method of fabrication of a microstructure having an inside cavity |
10/19/1999 | US5969311 Mechanical inertia switch |
10/19/1999 | US5967171 Shut-off system for preventing water damage |
10/13/1999 | CN2343667Y Float rod type liquid level disconnector |
10/12/1999 | US5966211 Optoelectric sensor and weft yarn measurement and feeding equipment |
10/12/1999 | US5966066 Micromechanical memory sensor |