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Browse by Category: Main > Transportation & Automotive
Class Information
Number: 188/151A
Name: Brakes > Operators > Fluid pressure > Safety devices
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
8028811 Process for release of at least one pressure medium operated spring accumulator brake and an apparatus and hydraulic circuit for carrying out the process Oct. 4, 2011
7143874 Surge brake actuator Dec. 5, 2006
6966614 Architecture for a hydraulic circuit Nov. 22, 2005
6907970 Abnormality detecting device for vehicular hydraulic pressure control circuit Jun. 21, 2005
6893102 Safety braking device and a braking system comprising such device May. 17, 2005
6874600 Mounting arrangement for a cable control of a parking brake of a motor vehicle Apr. 5, 2005
6848546 Surge brake actuator Feb. 1, 2005
6651790 Hydraulic balanced braking system Nov. 25, 2003
6619443 Overload protection device for a truck-mounted brake assembly Sep. 16, 2003
6428117 Parking brake control Aug. 6, 2002
6394234 Liquid controlled disk braking device May. 28, 2002
6367886 Brake pedal emulator system and method Apr. 9, 2002
6030053 Automatic emergency brake system for automotive vehicle Feb. 29, 2000
5984424 Emergency brake system for a vehicle Nov. 16, 1999
5979612 Wheel safety system for vehicles Nov. 9, 1999
5951116 Brake control system for a motor vehicle Sep. 14, 1999
5897173 Control assembly for providing redundant control outputs for operating a parking brake system Apr. 27, 1999
5531512 Brake system for a motor vehicle Jul. 2, 1996
5511637 Brake device Apr. 30, 1996
5501294 Brake oil level safety device for motor vehicles Mar. 26, 1996
5456523 Multi-wheel brake system Oct. 10, 1995
5439276 Tamper-resistant independent brake valve device for locomotive air brake equipment Aug. 8, 1995
5435418 Emergency brake system for wheeled vehicles Jul. 25, 1995
5417143 Lock-out mechanism for empty/load changeover valve May. 23, 1995
5395164 Operating brake valve for an electrically and pneumatically actuated braking system in a motor vehicle Mar. 7, 1995
5370449 Electrically operated parking brake system Dec. 6, 1994
5310251 Electro-hydraulic service & parking brake system May. 10, 1994
5293966 Multi-disk braking device Mar. 15, 1994
5221125 Device for detecting and eliminating accumulator fluid leakage through control valve Jun. 22, 1993
5188038 Railroad car derailment safety device Feb. 23, 1993
5161862 Vehicle hydraulic brake control system Nov. 10, 1992
5112113 Tow hook activated brake release method and apparatus May. 12, 1992
5096021 Tire chock interlock system for a gas truck Mar. 17, 1992
5046786 Combination brake valve module Sep. 10, 1991
5031730 Safety brake Jul. 16, 1991
5005914 Dual brake compensator Apr. 9, 1991
4989703 Hydraulic brake release system Feb. 5, 1991
4940290 Hydraulic braking system Jul. 10, 1990
4852952 Hydraulic brake circuit for motor vehicle, having a dual circuit in the form of a cross and a wheel anti-lock device Aug. 1, 1989
4822112 Modulator with two-stage orificed master cylinder bypass valve Apr. 18, 1989
4819998 Dual-circuit brake system Apr. 11, 1989
4812777 Manually/electrically operated brake system Mar. 14, 1989
4792192 Automatic brake source select system Dec. 20, 1988
4792023 Brake control method and apparatus for a vehicle Dec. 20, 1988
4758052 Method and apparatus for braking heavy vehicles Jul. 19, 1988
4755803 Air brake manifold all level reset Jul. 5, 1988
4753487 Failure switch for braking system proportioning valve Jun. 28, 1988
4740039 Hydraulic dual-circuit brake system for automobiles Apr. 26, 1988
4736990 Pressure limited differential pressure switch Apr. 12, 1988
4709968 Fluid pressure control apparatus for reducing swing or fall of vehicle body due to braking during backwards running of vehicle Dec. 1, 1987

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