Patents for H01H 35 - Switches operated by change of a physical condition (7,690) |
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03/15/1994 | US5294760 Digital pressure switch and method of fabrication |
03/10/1994 | DE4328472A1 Impact sensor for vehicle airbag system - with rotation of weight allowing movement of release arm into contact closure position |
03/10/1994 | DE4229068A1 Beschleunigungsschalter und Verfahren zur Herstellung Acceleration switch and process for preparing |
03/09/1994 | EP0398974B1 Rapid pressure rise circuit |
03/09/1994 | CN2158569Y Switch automatically controlled by liquid level |
03/08/1994 | US5293090 Centrifugal actuator assembly |
03/08/1994 | US5292232 Liquid pump pressure control system |
03/08/1994 | US5291793 For transmitting an axial tensile or compressive force |
03/03/1994 | WO1994005029A1 Circuit breaker |
03/02/1994 | CN2157787Y Alarming system for drip |
02/22/1994 | US5287562 Helmet to protect cervical spine against axial impact forces |
02/17/1994 | DE4226941A1 Differential pressure switch - provides housing with port located on each side of elastic metal strip for supply of pressures to be compared, with strip attached at one end within housing and magnetic sensor for detecting movement or position of free end of strip |
02/15/1994 | US5286931 Gauge with indicator switch |
02/15/1994 | US5285960 Hygroscopic solution; electrodes mounted in separate vials; controlling |
02/15/1994 | US5285652 Sensor for pressure controlled switching valve for refrigeration system |
02/15/1994 | US5285648 Differential pressure superheat sensor for low refrigerant charge detection |
02/08/1994 | US5285035 Dust proof electrical switch |
02/08/1994 | US5285033 Tilt action switch |
02/08/1994 | US5285032 Ball switch |
02/08/1994 | US5285031 Pendulum-activated switch assembly |
02/01/1994 | US5283405 Enclosed electrical contact assembly for dynamoelectric machines |
02/01/1994 | US5283402 Acceleration sensor with magnetic operated reed switch |
02/01/1994 | US5282387 Shock sensor |
01/27/1994 | DE4324348A1 Fluid pressure actuated electrical switching device - has spring and contact carrying lever mechanism to provide adjustable snap action operation between low and high pressures |
01/27/1994 | DE4224079A1 Capacitor over-pressure and drop=out indicator for capacitor bank - separates capacitor from external circuit using pressure-sensitive membrane for moving conductor, and has leaf spring, light valve, inductive or capacitive proximity switch for triggering display |
01/26/1994 | EP0579867A1 Pressure switch |
01/26/1994 | CN2154533Y Magnetic controlled switch for pressure water pump of household |
01/26/1994 | CN2154532Y Electron micro-voltage controllor |
01/25/1994 | US5281858 Fluid level activated float switch |
01/25/1994 | US5281782 Diaphragm pressure switch |
01/25/1994 | US5280926 Seal apparatus for pressure responsive electrical switch |
01/20/1994 | DE4234551C1 Safety disconnection device for automobile battery - uses circuit breakers between series battery cells released in response to abnormal retardation resulting from accident |
01/19/1994 | EP0579448A1 Seal apparatus and method for forming |
01/19/1994 | EP0579233A1 A fail-safe scan circuit and a multibeam sensor |
01/13/1994 | DE4322540A1 Ball lead-screw drive transmission with overload protection - provided by mechanical switch element triggered at set load point to shut down drive |
01/12/1994 | EP0578529A1 Security device for electrical opening parts in vehicals with a drive cable for an opening member, in particular window winders and sliding roofs |
01/12/1994 | CN2153134Y Water pressure type mains switch with improved structure |
01/12/1994 | CN2153133Y Position change switch |
01/11/1994 | US5278367 High pressure responsive switch and method for making same |
01/11/1994 | CA2100120A1 Safety device for electrical openers for a vehicle, of the type having a cable for driving a movable member, especially window lifters and sunroofs |
01/06/1994 | WO1994000863A1 Fluid flow switch assembly |
01/06/1994 | CA2137808A1 Fluid flow switch assembly |
01/05/1994 | CN2152299Y Oil saving pressure control switch |
01/05/1994 | CN2152298Y Touch switch for toy |
12/23/1993 | WO1993026026A1 Shock sensor |
12/23/1993 | DE4219823A1 Magnetically operated tilt switch with movable magnetically permeable ball - uses longer and shorter glass tubes contg. respectively break-before-make contact set and steel ball displaceable in paraxial direction. |
12/22/1993 | CN2150622Y Centrifugal switch base with improved structure |
12/21/1993 | US5272294 Pressure vessel system, pressure responsive device for the system, and method for forming a diaphragm for the device |
12/21/1993 | US5272293 Rolamite acceleration sensor |
12/21/1993 | US5271329 Impact contactor particularly for projectiles with an explosive charge |
12/21/1993 | CA1325453C2 Dynamoelectric machine having terminal board assembly |
12/21/1993 | CA1325345C Mechanical transducer |
12/15/1993 | CN2149682Y Protection device operated by interruption of water |
12/09/1993 | WO1993024948A1 Traffic accident detecting sensor for a passenger protection system in a vehicle |
12/09/1993 | WO1993023984A2 Acceleration transducer |
12/01/1993 | EP0519940B1 Acceleration switch |
12/01/1993 | CN2148388Y Jogging spring-touch switch |
11/30/1993 | US5266761 Dynamoelectric machine, methods of assembling such, terminal board assembly, and method of assembling a switch device with a supporting means therefor |
11/18/1993 | DE4225026A1 Control switch for liquids or gases e.g. for sensing presence of flow - provides flow-operated switching piston with magnet and has housing contg. reed switch and second magnet for pulling first magnet against force of flow. |
11/18/1993 | DE4215514A1 Inclination switch for automobile bonnet or boot lid - has rolling ball acting on one arm of pivoted switch wiper carrying movable contact at opposite end |
11/11/1993 | WO1993022781A1 Temperature compensated low pressure switch for hybrid inflators |
11/11/1993 | DE4215058C1 Electric switch operated by flexible membrane for vehicle technology - has coating made on inside face with binder material for contact-damaging material within switch space |
11/11/1993 | CA2117897A1 Temperature compensated low pressure switch for hybrid inflators |
11/10/1993 | CN1022716C Float bowol hammer left-right circuit switch device |
11/03/1993 | EP0568508A1 Level sensor |
11/03/1993 | EP0567719A2 Electrical switching mechanism |
11/03/1993 | EP0567717A1 Optoelectronic barrier |
11/02/1993 | US5257816 Air bag apparatus for vehicle |
10/28/1993 | WO1993021616A1 Rupture disk sensing assembly |
10/27/1993 | CN2144860Y Stream current switch capable of guarding against low water pressure |
10/27/1993 | CN2144859Y Stream current relay |
10/26/1993 | US5256839 Tilt switch responsive to acceleration or deceleration |
10/20/1993 | EP0566111A1 Switch signalling changement of position and acceleration |
10/14/1993 | DE4311682A1 Safety system with inflatable safety bag for motor vehicle - has associated battery=powered monitoring circuit fitted inside steering wheel |
10/13/1993 | EP0565028A1 Pressure switch |
10/13/1993 | CN2143816Y Pnenmatic automatic switch |
10/12/1993 | US5252796 Signal tube operated switches |
10/12/1993 | US5252795 Tilt switch |
10/12/1993 | US5252792 Subassembly for a pressure switch |
10/05/1993 | US5250768 Float switch with snap action member |
09/29/1993 | CN2143001Y External-regulating gas relay |
09/28/1993 | US5248861 Acceleration sensor |
09/22/1993 | EP0561572A1 Differential pressure switch |
09/21/1993 | US5245834 Condensate tank of a dehumidifier |
09/18/1993 | CA2089721A1 Differential pressure switch for stored gas pressure vessel |
09/16/1993 | DE4236328C1 Acceleration and inclination sensor for vehicle automatic transmission - detects position and deformation of freely movable mercury drop within arcuate hollow space contg. contact electrodes |
09/14/1993 | US5243875 Control device, parts therefor and methods of making the same |
09/07/1993 | US5243158 Fluid operated pressure switch for controlling a switching element |
09/01/1993 | EP0557505A1 Crash sensing switch |
08/25/1993 | EP0464094B1 Inertia switch |
08/25/1993 | CN2141121Y Rolling-ball mains switch |
08/24/1993 | US5239130 Electronic proximity switch |
08/17/1993 | US5237136 For use with an explosive well tool to prevent accidental or premature firing |
08/17/1993 | US5237135 Omni-directional inertia switching device |
08/17/1993 | US5237134 Gas damped crash sensor |
08/10/1993 | US5235325 Weight alarm device for trash containers |
08/10/1993 | US5235324 Detector for over-pressure inside a pipe and a pump fitted with such a detector |
08/05/1993 | DE4202419A1 Sensor for automatic triggering of vehicle passenger safety devices - contains foil carrier with conducting tracks which touch when foil kinked under acceleration |
08/05/1993 | DE4202418A1 Acceleration sensor for triggering vehicle passenger safety devices - contains switching magnets, at least one fixed and one spring suspended, and magnetic field sensitive reed switch |
08/04/1993 | CN1021756C Control actuator and switch |