| Patents for H01H 35 - Switches operated by change of a physical condition (7,690) |
|---|
| 02/18/1992 | US5089673 Pressure operated electrical switching device with plural lever actuated microswitches |
| 02/12/1992 | EP0470655A1 Process for preparing tertiary alkyl ethers and apparatus for reactive distillation |
| 02/12/1992 | CN2096126U Multi-purpose pressure switch |
| 02/12/1992 | CN1058582A Process for preparing tertiary alkyl ethers and apparatus for reactive distillation |
| 02/11/1992 | US5087801 Sphere-actuated float switch |
| 02/11/1992 | US5087800 High frequency, large current, switch including a pressure-actuated current-carrying extensible bellows element |
| 02/11/1992 | US5087414 Corrosion resistance |
| 02/06/1992 | DE4023611A1 Liquid level sensor with pressure tight sealed immersion tube - has pressure sensor sealing tube top and float body exerting pressure greater than that of enclosed gas |
| 02/02/1992 | CA2047269A1 Process for preparing tertiary alkyl ethers and apparatus for reactive distillation |
| 01/29/1992 | EP0468331A1 Overpressure detector and pump incorporating the same |
| 01/29/1992 | CN2094796U Hydraulic lash relay |
| 01/29/1992 | CN2094751U Automatic earthquake alarm device |
| 01/24/1992 | CA2047562A1 Detector for over-pressure inside a pipe and a pump fitted with such a detector |
| 01/15/1992 | EP0466021A2 Acceleration switch with snap-action spring |
| 01/14/1992 | US5081448 Differential pressure indicator with temperature compensation |
| 01/14/1992 | US5081328 Flow switch |
| 01/08/1992 | EP0464212A1 Earthquake detecting apparatus |
| 01/08/1992 | EP0464200A1 Pressure responsive switch |
| 01/08/1992 | EP0464094A1 Inertia switch. |
| 01/02/1992 | EP0463353A1 Pneumatic control system |
| 01/02/1992 | EP0463291A2 Tilt switch |
| 01/02/1992 | EP0463017A1 Acceleration sensor |
| 01/02/1992 | DE4021055A1 Tilt switch partially filled with electrically conductive powder - constrains rolling ball to move into contact without rebound at surface connected to second terminal |
| 12/19/1991 | DE4115329A1 Inertial sensor for motor vehicle safety appts. - has resistive tracks coupled to diagnostic circuit to control trigger of external device e.g. inflatable cushion |
| 12/18/1991 | CN1057124A Liquid level switch with failure alarm function |
| 12/12/1991 | WO1991019309A1 Sudden pressure rise detector |
| 12/11/1991 | EP0459985A1 Control actuator and switch |
| 12/08/1991 | WO1991019310A1 Differential pressure transducer |
| 12/05/1991 | DE4017839A1 Tilt switch for standard lamps - has light in lamp disconnected from current circuit when lamp tilts or falls over |
| 12/05/1991 | DE4017314A1 Liquid level indicator for plant container - has contacts at minimum and maximum levels with immersion detection circuit operated for defined period by pushbutton |
| 12/04/1991 | EP0459434A2 Hydropneumatic constant pressure device for automatic control of the operation and stopping of electrical motorpumps |
| 12/04/1991 | CN2090067U Household computer earthquake alarm instrument |
| 12/03/1991 | US5070220 Flow-switch construction |
| 12/03/1991 | US5069759 Pressure switch |
| 11/27/1991 | EP0458494A2 Normally closed pressure responsive switch |
| 11/26/1991 | US5068503 High-pressure sensor for fluid conditions and method and apparatus using same |
| 11/26/1991 | US5068502 Magnetically biased velocity change sensor |
| 11/19/1991 | US5066837 Gas damped deceleration switch |
| 11/19/1991 | US5066836 Gas damped deceleration switch |
| 11/17/1991 | CA2042716A1 Vehicle seatbelt having an integral airbag |
| 11/13/1991 | EP0456131A2 Photoelectric sensor |
| 11/13/1991 | EP0456100A1 Device for triggering a switching function at a specified hydrostatic pressure |
| 11/13/1991 | EP0398974A4 Rapid pressure rise circuit |
| 11/13/1991 | CN2088700U Earthquake alarm lighting device |
| 11/06/1991 | EP0455270A2 Magnetically-damped, testable accelerometer |
| 11/05/1991 | US5063316 Automatic door protective reversing switch with worm gear |
| 11/05/1991 | US5062662 Vehicle seatbelt having an integral airbag |
| 11/05/1991 | CA1291784C Airflow switch for air ducts |
| 10/31/1991 | WO1991016233A1 Hydrostatic pressure sensor |
| 10/29/1991 | US5061848 Non-contacting rotary type mode switch for magnetic tape recording device |
| 10/29/1991 | US5061832 Field settable differential pressure switch assembly for low fluid pressure applications |
| 10/29/1991 | US5060977 Magnet-inclusive component suitable for use in occupant-protecting means for motor vehicle and fabrication process thereof |
| 10/29/1991 | US5060520 Hermetic pressure sensor |
| 10/23/1991 | EP0452521A1 Triggering mechanism for tensioning devices in vehicles |
| 10/22/1991 | US5059952 Survivor locator light with water-activated switches |
| 10/22/1991 | US5059751 Combination arming/discriminating inertia switch |
| 10/17/1991 | DE4011996A1 Beschleunigungssensor Acceleration sensor |
| 10/16/1991 | EP0451222A1 Condition responsive switching apparatus |
| 10/16/1991 | EP0254740B1 Safety disconnection device |
| 10/16/1991 | CN2086935U Compensable miniature hydraulic switch |
| 10/15/1991 | CA1290836C Motion detector |
| 10/10/1991 | DE4010848A1 Flow switch for energy switch actuation - esp. for flow-dependent switch-on of water heater |
| 10/08/1991 | US5055826 Pressure sensor system |
| 10/08/1991 | US5055641 Fluid-flow-control-switch valve |
| 10/02/1991 | DE4009741A1 Gas bottle manometer for gas leak detection - has pressure detector and pressure threshold detector operating warning signal device |
| 10/02/1991 | CN2086002U 液压冲击继电器 Hydraulic shock relay |
| 10/01/1991 | US5053751 Water alarm to signal flooding in basements |
| 10/01/1991 | US5053589 Vibration sensing device |
| 10/01/1991 | US5053588 Calibratable crash sensor |
| 10/01/1991 | CA1290042C Fluid damped acceleration sensor |
| 09/25/1991 | EP0447560A1 Impact sensor |
| 09/19/1991 | WO1991014276A1 Acceleration switch |
| 09/18/1991 | CN2085093U Pump pressure type automatic switch |
| 09/17/1991 | US5049708 Normally closed pressure responsive switch |
| 09/17/1991 | US5048536 Tourniquet for regulating applied pressures |
| 09/12/1991 | DE4007726A1 Beschleunigungsschalter Inertia switch |
| 09/10/1991 | US5047601 Pressure responsive switch with cup shaped actuating member |
| 09/07/1991 | CA2011614A1 Vacuum operated circuit breaker |
| 08/22/1991 | WO1991012622A1 Pressure responsive switch |
| 08/22/1991 | DE4002566A1 Tyre monitoring system, e.g. for measuring pressure temp. - has vacuum chamber press sensor, bimetallic ring for full temp. compensation |
| 08/20/1991 | CA1287859C Motor starting and automatic reversing switch |
| 08/13/1991 | US5039843 Safety cutout device |
| 08/08/1991 | WO1991011737A1 Earthquake sensor |
| 08/08/1991 | WO1991011721A1 Acceleration sensor |
| 08/08/1991 | DE4003360A1 Acceleration sensor e.g. for vehicle safety systems - has position sensor for displacement of weight from stop by opposite auxiliary acceleration |
| 08/06/1991 | US5038006 Electrical switch |
| 08/06/1991 | CA1287364C Reversing switch assembly for an electric assist steering system |
| 07/30/1991 | US5036304 Rolamite sensor |
| 07/24/1991 | CN2081294U Anti-myopia head belt |
| 07/23/1991 | US5034729 Vibration monitor for rotating or moving equipment |
| 07/23/1991 | US5034620 Vehicle battery safety switch |
| 07/23/1991 | US5034580 Collision sensor |
| 07/18/1991 | CA2031913A1 Sheet detector |
| 07/17/1991 | EP0437003A2 Actuator with a built-in reed switch |
| 07/17/1991 | EP0436694A1 Fluid activated switch apparatus |
| 07/17/1991 | CN2081147U Water cut-off protector for water-cooled electric apparatus |
| 07/17/1991 | CN1053145A Vibration switch |
| 07/16/1991 | US5032696 Crash sensor switch |
| 07/16/1991 | US5031931 Velocity change sensor with spring bias |
| 07/16/1991 | US5031896 Sheet detector |