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Class Information
Number: 60/567
Name: Power plants > Pressure fluid source and motor > Pulsator > Including plural separately operable master actuators or master units driving a common slave
Description: Apparatus in which pulse fluid fed to a slave is supplied from separately operable masters.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8550573 Method of eliminating seizure of slave cylinder of brake device Oct. 8, 2013
8261547 Pneumatic actuator Sep. 11, 2012
7789345 Actuator control apparatus Sep. 7, 2010
7475538 Digital Hydraulic system Jan. 13, 2009
6955048 Device for telecontrolling a function of drives Oct. 18, 2005
6729132 Remotely and directly pedal operated hydraulic compact booster for bi-directional braking May. 4, 2004
6269641 Stroke control tool for subterranean well hydraulic actuator assembly Aug. 7, 2001
5918464 Pressurized in-line master cylinder Jul. 6, 1999
5836161 Hydraulic pressure booster Nov. 17, 1998
5649424 Two-stage pressure cylinder Jul. 22, 1997
5637803 Device for monitoring the pressure in several analysis vessels Jun. 10, 1997
5582009 Air-oil intensifier Dec. 10, 1996
5526644 Oil intensifier cylinder Jun. 18, 1996
5412512 Remotely controlled mirror assembly and control system therefor May. 2, 1995
5335981 Brake system with anti-lock control and traction slip control Aug. 9, 1994
5259195 Fluid pressure intensifier Nov. 9, 1993
5253477 Master cylinder and booster assemblies Oct. 19, 1993
5197285 Modular digital actuator Mar. 30, 1993
5161865 Hydraulic modulator with working piston connected to control piston Nov. 10, 1992
5143429 Hydraulic modulator with equal, opposing chambers formed by a piston Sep. 1, 1992
5125234 Hydraulic cylinder apparatus of the type actuated by booster Jun. 30, 1992
5107681 Oleopneumatic intensifier cylinder Apr. 28, 1992
5081841 Hydraulic braking system with second booster chamber Jan. 21, 1992
5062268 Fluid actuator Nov. 5, 1991
5058384 Digital actuator Oct. 22, 1991
5038565 Pressure generator for a hydraulic vehicle brake system Aug. 13, 1991
5002166 Dual mode motor vehicle clutch control system Mar. 26, 1991
4961317 Oleopneumatic intensifier cylinder Oct. 9, 1990
4872310 Electro-hydraulic actuator assembly Oct. 10, 1989
4843819 Hydraulic brake booster with parallel booster pistons Jul. 4, 1989
4833884 Fluid actuator for driving article-processing apparatus May. 30, 1989
4809508 Clutch-disengaging hydraulic actuators preventing wheel slip Mar. 7, 1989
4781095 Pusher Nov. 1, 1988
4779422 Master-cylinder-actuated plunger for hydraulic brake booster valve Oct. 25, 1988
4726190 Pressure generator with check valve Feb. 23, 1988
4633726 External hydraulic driving system for motorcycle brake, clutch and gear shift Jan. 6, 1987
4576417 Power assisted braking system with wheel lock control Mar. 18, 1986
4543791 Power brake unit Oct. 1, 1985
4526169 Fine control system for a glass electrode or the like Jul. 2, 1985
4505519 Braking system for automobile vehicle formed by a tractor and a trailer Mar. 19, 1985
4502280 Hydraulic applications Mar. 5, 1985
4455828 Hydraulic power unit Jun. 26, 1984
4439986 Hydraulic power unit Apr. 3, 1984
4382364 Hydraulic braking systems for vehicles May. 10, 1983
4300352 Hydraulic pressure integrator Nov. 17, 1981
4248046 Vent accumulator for hydraulic integrator Feb. 3, 1981
4244185 Master cylinder for hydraulic brake system Jan. 13, 1981
4241581 Synchronizer for hydraulic actuators Dec. 30, 1980
4220007 Servo-assisted hydraulic master cylinder Sep. 2, 1980
4194437 Hydraulic servo mechanism Mar. 25, 1980

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