Patents
Patents for H01H 35 - Switches operated by change of a physical condition (7,690)
04/1983
04/26/1983CA1145436A1 Pendulum type acceleration sensor module
04/19/1983US4380692 Roller band sensor
04/19/1983US4380243 Overflow control system
04/13/1983EP0076727A1 Thermostatic switch, and refrigerator with semi-automatic de-icer provided with such a switch
03/1983
03/29/1983US4378476 Pressure operated electric switch and alarm system using such switch
03/29/1983US4378475 Velocity sensitive impact switch
03/22/1983US4377731 Device for automatically interrupting the supply of electric power to a motor and its utilization
03/22/1983US4377090 Through-flow monitor for liquid or gaseous media
03/16/1983EP0074289A1 Joy-stick for electronic games
03/09/1983EP0073333A2 Switch for projectiles crossing the water surface
03/03/1983WO1983000746A1 Solid-state relay and regulator
02/1983
02/08/1983US4373155 Brake fluid level indicator
02/03/1983WO1983000405A1 Installation for transforming the pressure of a pressure member into an electric signal
02/01/1983US4371906 Overspeed protective apparatus for a portable tool
02/01/1983US4371763 Inerita switch device
02/01/1983CA1140651A1 Electrical switch mechanism
01/1983
01/19/1983EP0069813A1 High pressure differential switch device
01/18/1983US4368637 Vibration sensing device
01/12/1983EP0069185A1 Photo-electric control device
01/11/1983US4368366 Pneumatically operated device with valve and switch mechanisms
12/1982
12/23/1982WO1982004497A1 Thermostat with temperature pull-down facility
12/21/1982US4365125 Flow actuating switching device
12/15/1982EP0066914A1 Electrical household apparatus, such as a washing-machine or a dishwasher, with water overflow or leakage alarm device
12/15/1982EP0066607A1 Pressure detector.
12/15/1982EP0066568A1 Device for starting and stopping a pump driven by an electric motor
12/14/1982CA1137530A1 Vacuum switch
12/07/1982US4363015 Condition responsive electrical switch construction and parts and methods therefor
12/07/1982US4362913 Collision detecting device
12/01/1982EP0065847A1 Liquid level control
11/1982
11/30/1982US4361740 Seismic sensor apparatus
11/16/1982US4359617 Weighted trigger device
11/09/1982US4357748 Fluid flow sensing switch device method of making the same
11/09/1982CA1135316A1 Motor switch
11/03/1982EP0063849A1 Float control for a switch
11/02/1982US4356625 Fluid flow sensing switch device--method of making
11/02/1982CA1134695A1 Pressure-responsive surgical tool assembly
10/1982
10/26/1982US4356365 Air operated DC switch
10/26/1982US4356364 Shock-sensitive electrical switch
10/13/1982EP0062575A1 Electrical device to detect water leaks
10/12/1982US4353148 Electric pressure switch
10/06/1982EP0061671A2 Proximity sensor
10/05/1982CA1133034A1 Pressure switch having modular construction
09/1982
09/28/1982US4351191 Pressure sensor
09/28/1982US4351105 Method of making a control device
09/28/1982CA1132637A1 Reaction switch for an actuator drive system
09/21/1982US4350854 Pressure-sensitive switch unit in resonator assembly of tire pressure drop detecting apparatus
09/14/1982US4349747 Sound response time switch for flowing current for a predetermined period of time
09/08/1982EP0059538A1 Adjustable pressure-actuated switch
08/1982
08/25/1982EP0058409A2 Pressure-operated electric switching device
08/24/1982US4346276 Multiple pressure switch
08/24/1982US4346272 Control device and method of operating
08/24/1982US4345369 Control unit and electrical switch construction therefor--methods of making such a control unit and electrical switch construction
08/17/1982US4345238 Signalling device for use in automotive and like vehicles
08/17/1982US4345124 Acceleration switch
08/17/1982CA1129927A1 Centrifugal switch actuator for electric motor and method of assembling
08/10/1982US4343974 Multi-circuit electrical switch
08/05/1982WO1982002622A1 A temperature compensated switch for monitoring a filter bypass valve
08/03/1982US4342888 Pressure switch with conductive housing
08/03/1982US4342887 Normally closed pressure responsive switch with improved compact structure
07/1982
07/20/1982US4340813 Switch panel with touch switches
07/20/1982US4339955 Pressure sensor
07/13/1982US4339640 Electrical switch
07/06/1982CA1127216A1 Switch mechanism with independent toggle actuators
07/06/1982CA1127215A1 Membrane contactor
06/1982
06/29/1982US4337402 Motion sensor switch and circuit for use therewith
06/29/1982CA1126525A1 Switch adjustment mechanism
06/24/1982WO1982002114A1 Pressure detector
06/24/1982WO1982002113A1 Device for starting and stopping a pump driven by an electric motor
06/24/1982WO1982002000A1 Inertia sensor in belt reels for vehicle belts
06/22/1982US4336570 Radiation switch for photoflash unit
06/22/1982US4336472 Centrifugal switch actuator for a motor
06/22/1982US4336426 Inertia switch
06/22/1982US4335999 Pressure control for pumps
06/15/1982CA1125900A1 Control device
06/09/1982EP0053146A1 Device for cutting off automatically the electric power supply of a motor, and utilisation thereof.
06/08/1982US4334161 Centrifugal switch and motor control
06/08/1982US4334131 Multi-stage pressure switch
06/08/1982CA1125340A1 Pressure actuated switch
05/1982
05/25/1982US4331848 Inertia activated electrical power source
05/25/1982CA1124383A1 Vibration detector incorporating two or more seismic elements
05/25/1982CA1124289A1 Snap disc operated pressure switch
05/18/1982US4330695 Control device
05/11/1982US4329549 Magnetically biased velocity change sensor
05/04/1982US4328441 Output circuit for piezoelectric polymer pressure sensor
05/04/1982US4328406 Condition responsive electrical switch and method of making
04/1982
04/28/1982EP0050400A2 Vertical descent rate detector switch
04/20/1982US4326111 Inertia switch device
04/20/1982CA1122301A1 Vehicle anti-upset instrument
04/13/1982US4324961 Distribution transformer having a primary disconnect switch
04/06/1982US4323742 High pressure differential switch device
04/06/1982US4322983 Method for generating electric signals and a push-button switch means therefor
04/06/1982US4322912 Safety device for a vehicle door actuated by a turnable shaft
03/1982
03/31/1982EP0048487A2 Method for the manufacture of a code disk for an optical angle-step donor or angle coder
03/30/1982US4321732 Tuft feed control
03/24/1982EP0048146A1 Solid state optically coupled electrical switch
03/24/1982EP0015965B1 Device for controlling the closure of folding doors
03/24/1982EP0012749B1 An inertia switch device
03/23/1982US4321438 Safety switch for vehicle electrical system
03/16/1982US4320317 Motor overload safety device
03/16/1982US4320294 Control device and method of making the same
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