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Class Information
Number: 200/82C
Name: Electricity: circuit makers and breakers > Fluid pressure > Piston > Micro-switch
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
7121855 Modularized switch connector Oct. 17, 2006
7038151 Damped pressure switch May. 2, 2006
6528748 In-line flow switch assembly including magnetic sensitive plunger and microswitch actuator Mar. 4, 2003
6419456 Switch for controlling the motor of a piston pump Jul. 16, 2002
6414254 Electrical pressure sensing switch Jul. 2, 2002
5725364 Pressure control module Mar. 10, 1998
5292232 Liquid pump pressure control system Mar. 8, 1994
5243158 Fluid operated pressure switch for controlling a switching element Sep. 7, 1993
RE34175 Float switch assembly Feb. 9, 1993
5155310 Pressure switch assembly Oct. 13, 1992
5140113 Differential pressure control switch with a pivoting actuating lever and a biasing spring sealed in a housing Aug. 18, 1992
5136128 Hydraulically-piloted switch Aug. 4, 1992
5108265 Temperature-dependent pressure switch and pressure control system using the switch Apr. 28, 1992
5089673 Pressure operated electrical switching device with plural lever actuated microswitches Feb. 18, 1992
5074467 High volume low pressure spray painting system, method of operation and control system therefor Dec. 24, 1991
5061832 Field settable differential pressure switch assembly for low fluid pressure applications Oct. 29, 1991
5034583 Electric switching device which can be controlled mechanically in an adjustable way Jul. 23, 1991
4952759 Control device for controlling a circuit breaker Aug. 28, 1990
4947154 Alarm device for dripping injection Aug. 7, 1990
4827093 Adjustable pressure-type switch May. 2, 1989
4827095 Differential pressure switch assembly with high static pressure use characteristics May. 2, 1989
4803318 Proximity switch for a cylinder Feb. 7, 1989
4762969 Remotely pressure-operable electrical switch Aug. 9, 1988
4755638 Pressure operated switch for controlling an airless paint pump Jul. 5, 1988
4755637 Proximity switch for detecting a piston position in a pressure cylinder Jul. 5, 1988
4751400 Electrohydraulic switching device Jun. 14, 1988
4742194 Device for producing an electric signal indicative of pressure in a fluid system May. 3, 1988
4724289 Fluid pressure switch having a spring opposing the fluid pressure Feb. 9, 1988
4692575 Vacuum sensitive switch Sep. 8, 1987
4552999 Time delay switch Nov. 12, 1985
4467155 Electrical switch apparatus Aug. 21, 1984
4454393 Electrohydraulic switching device Jun. 12, 1984
4438305 Fire resistant pressure switch Mar. 20, 1984
4413549 Limit switch actuator for fluid cylinders Nov. 8, 1983
4400602 Fluid pressure operated electrical switch Aug. 23, 1983
4323742 High pressure differential switch device Apr. 6, 1982
4317971 Adjustable pressure and vacuum limit switch valve Mar. 2, 1982
4250360 Device to automatically activate or deactivate control means Feb. 10, 1981
4229629 Miniature pneumatic switch actuator Oct. 21, 1980
4225760 Pressure actuated unit with high temperature protection Sep. 30, 1980
4172971 Magnetic pressure indicator with thermal lockout Oct. 30, 1979
4158120 Electric and air signal element Jun. 12, 1979
4152559 Pressure responsive device and piston seal May. 1, 1979
4124087 Activating devices for passenger restraining systems in vehicles Nov. 7, 1978
4051338 Load responsive switch actuator Sep. 27, 1977
4028511 Fluid jack with built-in piston operated switch Jun. 7, 1977
3937912 Pressure responsive circuit control unit having adjustable, interchangeable actuator components and cam-operated switch Feb. 10, 1976











 
 
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