Patents
Patents for H01H 35 - Switches operated by change of a physical condition (7,690)
07/1985
07/30/1985US4532390 Diaphragm pressure switch for controlling small pressure gradients
07/30/1985US4532389 Electric circuit controlling device and method of operating
07/30/1985US4531533 Seismic trigger
07/30/1985CA1191179A1 Pressure switch
07/24/1985EP0148941A1 Mechanically operated pressure switch having solid state components
07/16/1985US4529854 Mercury switch
07/02/1985CA1189929A1 Gravity switch and method of making same
06/1985
06/26/1985EP0145733A1 Device generating an electric coincidence signal when a pivoting body takes up a predetermined angular position
06/25/1985US4525611 Fluid pressure switch
06/19/1985EP0145186A1 Gas damped acceleration switch
06/19/1985EP0144677A1 Pneumatic component for a vacuum suction head or a vacuum suction nozzle
06/18/1985US4524287 Post-collision fire prevention device
06/18/1985US4524256 Pressure-sensitive element
06/18/1985US4524255 Control device and method of operating such
06/18/1985US4524254 Pressure switch
06/12/1985EP0144260A1 Electric power supply excitable by a liquid
06/11/1985US4523066 Automotive air conditioning system controlled by damped pressure switch
06/11/1985CA1188774A1 Switch apparatus for rotary apparatus
06/04/1985US4521651 Diaphragm apparatus having a magnetically imparted hysteresis characteristic
05/1985
05/28/1985US4520245 Differential pressure operated electrical switch construction
05/28/1985US4519256 Pressure transducer including a proximity sensor
05/21/1985US4518835 Force responsive switch
05/14/1985US4517423 Human body activated switch
05/14/1985CA1187152A1 Pressure responsive switching device particularly pressostat or thermostat
05/08/1985EP0140643A1 Vibration sensitive trip switch for vehicle alarm system or the like
05/07/1985US4516101 Air-flow-rate sensors
05/07/1985US4516045 Electric power machine with protection against overspeed
04/1985
04/30/1985US4514604 Arrangement for converting the pressure of a medium into an electrical signal
04/25/1985WO1985001830A1 Plant for setting on and setting off pumps driven by electric motors
04/23/1985US4513184 Flow actuated switch
04/23/1985US4513183 Gravity switch
04/16/1985US4510763 Automotive type air conditioning system and method of operating such
04/16/1985CA1185673A1 Shock and vibration sensitive switch
04/09/1985US4510480 Thermostat with temperature pull-down facility
04/09/1985US4510358 Fluid actuated switch
03/1985
03/13/1985EP0133861A2 Impact switch
03/12/1985US4504710 Dual terminal for dynamoelectric machine starting switch
03/05/1985US4503301 Differential fluid pressure switch
03/05/1985US4503299 Control-lever for a game
03/05/1985US4503298 For use in an electrical circuit
02/1985
02/19/1985US4500760 For a refrigerator
02/19/1985US4500759 Fluid flow switch
02/12/1985US4499347 Fluid-flow-control-switch valve
01/1985
01/31/1985WO1985000464A1 Mechanically operated pressure switch having solid state components
01/29/1985US4496811 Foot switch safety enclosure
01/29/1985US4496809 Vibration sensitive trip switch for vehicle alarm system of the like
01/29/1985US4496808 Electrical switch mechanism
01/23/1985EP0038328B1 Inertia switch device
01/22/1985US4495389 Pressure switch
01/17/1985WO1985000204A1 Improvement to electro-fluidic relays
01/15/1985US4493996 Semiconductor switch device
01/15/1985US4493957 Multimodal pressure switch
01/15/1985US4493956 Impact switch
01/15/1985CA1181157A1 Overspeed protective apparatus for a portable tool
01/08/1985US4493066 Seismosensitive device
01/08/1985US4492834 Float control for a switch
01/01/1985US4491821 Differential temperature control
12/1984
12/27/1984CA1180079A Electrical switch devices
12/25/1984US4490708 Condition responsive electric switch system, electrical switching device and method of operation thereof
12/25/1984US4490592 Magnetic flow switch
12/20/1984WO1984004962A1 Device generating an electric coincidence signal when a pivoting body takes up a predetermined angular position
12/04/1984US4485727 Pressure pilot switch point device
12/04/1984CA1179033A1 Sensor
11/1984
11/27/1984CA1178690A1 Centrifugal actuator for a.c. induction motor
11/21/1984EP0125839A2 Gravity switch and method of making same
11/21/1984EP0125493A1 Acceleration value limiting switch
11/20/1984US4484116 Prime mover and method of operating an electrical switch
11/20/1984US4484041 Magnetically actuated electric switch
11/13/1984CA1177866A1 Stiff flexible connector for a circuit breaker or other electrical apparatus
10/1984
10/30/1984US4480160 Differential pressure switch
10/30/1984CA1176868A1 Temperature compensated differential pressure indicating device
10/23/1984US4479041 Air pressure moves hollow glass sphere, with electroconductive coating into contact with conductors
10/23/1984US4479039 Electrical switch construction and method of making the same
10/23/1984CA1176485A1 Filter element test method and apparatus
10/16/1984US4477724 Photoelectric control device
10/16/1984US4477194 Device for controlling the functions of an electronic watch
09/1984
09/25/1984US4473789 Motor starting switch with dual load disconnect
09/25/1984US4473730 Liquid-level detection switch
09/25/1984US4473729 Pressure responsive switch
09/25/1984CA1175115A1 Solid state optically coupled electrical power switch
09/19/1984EP0119064A1 An inertia switch impact sensor
09/18/1984CA1174444A1 Method for producing a bellows-element, or the like, with no filling connection, and an apparatus for the execution of the said method
09/13/1984WO1984003585A1 An inertia switch impact sensor
09/12/1984EP0117982A2 Shock and vibration sensitive switch
09/11/1984US4471182 Single pole make make switch and pressure switch using same
09/11/1984CA1174325A1 Magnetically biased velocity change sensor
09/05/1984EP0053146B1 Device for cutting off automatically the electric power supply of a motor, and utilisation thereof
09/04/1984US4469923 Pressure responsive switch with discrete pressure responsive unit
09/04/1984US4469922 Pressure responsive switch
08/1984
08/28/1984US4468546 Bilge pump activator switch
08/28/1984US4468532 Pneumatic reed switch
08/28/1984US4468170 Low level indicator
08/28/1984US4467998 High gain pneumatic switch
08/21/1984US4467156 Liquid level sensor switch
08/21/1984US4467155 For process control
08/21/1984US4467154 Gravity switch and method of making same
08/21/1984US4467153 Shock and vibration sensitive switch
08/14/1984US4464828 Method of assembling a control device
08/08/1984EP0115106A1 Boiler low water cut-off
08/07/1984US4464551 Electric circuit controlling device and method of operating same
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