Patents
Patents for H01H 35 - Switches operated by change of a physical condition (7,690)
03/1981
03/03/1981US4254311 Liquid level control
02/1981
02/17/1981CA1096000A1 Internal disconnect electrical device
02/10/1981US4250361 Pressure actuated switch with actuator having contact-actuating rib between piston and spring-guide portions
02/10/1981US4250360 Device to automatically activate or deactivate control means
02/10/1981US4250359 Speed sensor switch
02/05/1981WO1981000325A1 Inertia switch device
02/03/1981US4249048 Pressure switch
02/03/1981US4249046 Inertia sensor switch
01/1981
01/27/1981US4247260 Pressure regulated water supply system
01/27/1981CA1094674A1 Plug-in pressure switch
01/20/1981CA1094193A1 Vehicle upset warning device
01/13/1981CA1093620A1 Load-controlled switching device for motor vehicle step
01/07/1981EP0021434A1 Overspeed protective apparatus for a portable tool
01/07/1981EP0021195A1 Device for actuating a switch as a function of the rotation angle of a shaft
01/07/1981EP0020809A1 Pressure-responsive switch to be used in tyre pressure warning devices
01/07/1981EP0020692A1 Temperature compensated fill valve/pressure switch
01/06/1981US4243858 Snap disc operated pressure switch
01/06/1981US4243857 Control device
01/06/1981US4243374 Fluid flow sensing switch device and method of making the same
12/1980
12/30/1980US4242607 Centrifugal actuator for motor starting switch
12/30/1980US4242083 Fluid flow sensing switch device
12/30/1980US4242082 Fluid flow sensing switch device
12/16/1980US4240001 Motor starting switch
12/16/1980US4239979 Membrane contactor
12/16/1980US4239457 Remote reset
12/16/1980CA1091469A1 Vibration sensing device
12/09/1980US4238652 Switch system for indicating changes in liquid level
12/09/1980US4238651 Snap action fluid pressure switch
12/02/1980US4237354 Pressure change responsive device
11/1980
11/25/1980CA1090242A1 Combination tire pressure monitoring switch and inflation valve
11/11/1980US4233597 Device indicating a state due to the pressure modification
11/04/1980CA1089053A1 Pressure change responsive sensor and related vacuum operable switch assembly
10/1980
10/29/1980EP0018209A2 Pressure-responsive surgical tool assembly
10/21/1980CA1088177A1 Burglar alarm
10/15/1980EP0017572A1 Electrical switch operating as a function of the temperature
10/15/1980EP0017453A1 Washing appliance and liquid level sensing means therefor
10/15/1980EP0016780A1 Calibration mechanism for a pressure switch
10/14/1980CA1087706A1 Locking sensor for seat belt retractor
10/07/1980US4227188 Intrusion alarm control system
10/07/1980CA1087272A1 Pressure switch mechanism and cam stop arrangement therefor
10/01/1980EP0016519A1 Pressure actuated switch
10/01/1980EP0015965A1 Device for controlling the closure of folding doors.
09/1980
09/30/1980US4225748 Switching device, especially for electronic contactless switches, e.g. proximity switches
09/29/1980EP0016780A4 Calibration mechanism for a pressure switch.
09/23/1980US4224542 Small-sized motor with centrifugal governor switch
09/23/1980CA1086402A1 Vertical float switch
09/23/1980CA1086160A1 Vacuum timing system
09/16/1980US4223217 Fiber optic electric switch
09/16/1980US4223190 Mercury float switch
09/16/1980CA1085944A1 Shock and vibration sensitive switch
09/09/1980US4221940 Sensor
09/02/1980US4220836 Pressure responsive control unit employing snap action diaphragm
09/02/1980CA1084970A1 Pressostat comprising two coaxial bellows forming an operating and monitoring pressure chambers
08/1980
08/26/1980US4219710 Pressure change responsive sensor and related vacuum operable switch assembly
08/26/1980US4219708 Shockswitch
08/21/1980WO1980001735A1 Switch mechanism with independent toggle actuators
08/19/1980US4218681 Hand-held transmitter for transmitting different signals
08/12/1980US4217471 Fluidic actuator for a switching device
08/12/1980CA1083632A1 Inflator for safety air bag in an automotive vehicle
08/06/1980EP0013779A1 Vehicle safety circuit breaker
08/05/1980US4216469 Alarm system for detecting changes in load on terrain
08/05/1980CA1083206A1 Magnetically operated switch with cantilever mounted coil spring contact arm
07/1980
07/29/1980US4215254 Pressure switch with resiliently mounted contact
07/22/1980US4214137 Pressure switch with snap element
07/15/1980US4212591 Pressure control for pumps
07/15/1980US4212589 Device for producing an artificial blood circulation
07/15/1980US4212208 Vibration detector incorporating two or more seismic elements
07/10/1980WO1980001435A1 Temperature compensated fill valve/pressure switch
07/09/1980EP0012749A1 An inertia switch device.
07/08/1980US4212004 Pressure drop detectors
07/08/1980US4211966 Level control sensor switch mechanism
07/08/1980US4211935 Electronic pressure switch
07/08/1980US4211923 Fluid tight ultrasonically welded photoelectric device
07/08/1980US4211901 Pressure sensing switch with conductive deflectable diaphragm
07/01/1980US4210789 Impact detecting switch
06/1980
06/17/1980US4208559 Switch actuating device and method of assembling
06/17/1980CA1079768A1 Air bag device for cars
06/10/1980US4207562 Apparatus for determining optimum hay baling conditions
06/10/1980US4206780 Pressure operated water level control device and temperature responsive unit therefor or the like
05/1980
05/27/1980US4205245 Centrifugal actuator for electric motor starting switch
05/27/1980US4204703 Device for starting air bag devices
05/20/1980US4203616 Air bag device for cars
05/20/1980US4203280 Touch sensitive device for a timepiece
05/14/1980EP0010729A1 Pressure responsive switch
05/13/1980US4203015 Roller bank sensor contact system
05/13/1980CA1077598A1 Gravity actuated light socket and switch means
05/06/1980US4201898 Inertia switches
05/06/1980CA1077152A1 Seismonastic switches
04/1980
04/29/1980US4200776 Control device with grain oriented snap disk
04/29/1980US4200775 Pressure responsive switch with low pressure cutoff
04/22/1980US4199670 Manually re-set inertia switch assembly
04/22/1980CA1076174A1 Adjustable thermally responsive control switch
04/01/1980US4196326 Pressure responsive electric switch, particularly an evaporator thermostat for refrigerators
04/01/1980US4196325 Sump pump switch
04/01/1980US4195897 Collision activated, automatic electricity disconnector for vehicles
03/1980
03/25/1980US4195209 Pressure responsive electrical switch and means of contact gap setting therefor
03/25/1980US4194974 Pressure monitoring device
03/18/1980US4194103 Electrical switch construction and method of making the same
03/11/1980US4193068 Hemorrhage alarms
03/11/1980US4192980 Automatic re-set pressure switch
1 ... 64 65 66 67 68 69 70 71 72 73 74 75 76 77