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