Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 303/2
Name: Fluid-pressure and analogous brake systems > Multiple systems
Description: Patents showing systems of distribution to two or more motive devices associated in one system, one of which must be a fluid-pressure motive device.










Sub-classes under this class:

Class Number Class Name Patents
303/3 Fluid pressure and electric 633
303/4 Fluid pressure and vacuum 17


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8702181 Method for operating a brake system Apr. 22, 2014
8684472 Braking systems, and more particularly hydraulic braking systems for farm vehicles Apr. 1, 2014
8403427 Vehicle air supply system Mar. 26, 2013
8322797 Hydraulic device for actuating the braking of work vehicles and the like Dec. 4, 2012
8269367 Shaft brake mechanism of wind power generator Sep. 18, 2012
8251461 Brake control device for two-wheeled motor vehicle Aug. 28, 2012
8123304 Hydraulic system and method for operating a brake of a wind turbine Feb. 28, 2012
7931343 Parking brake with safety device Apr. 26, 2011
7905554 Working machine Mar. 15, 2011
7862129 Electric parking brake system with one cable for vehicle Jan. 4, 2011
7630815 Brake control apparatus and brake control method Dec. 8, 2009
7568772 Wind energy plant with a hydraulically actuated rotor brake and method for the hydraulic control of a rotor brake Aug. 4, 2009
7494193 Wind energy plant with a hydraulically actuated rotor brake Feb. 24, 2009
7357462 Hydraulic brake system for a wind energy plant Apr. 15, 2008
7156471 Two-stage cylinder for applying automatic set and release hand brake Jan. 2, 2007
7097260 Parking brake for a tractor Aug. 29, 2006
7021722 System for and method of braking a vehicle Apr. 4, 2006
6986554 Power dissipation management system Jan. 17, 2006
6913325 Electrically operable vehicle parking brake drive Jul. 5, 2005
6702074 Brake heat reducing system Mar. 9, 2004
6522966 Method of controlling vehicle hydraulic brake system Feb. 18, 2003
6513631 Hydraulic brake system Feb. 4, 2003
6460940 Supplemental brake system Oct. 8, 2002
6450586 Brake control apparatus capable of preventing wheels from locking without increasing a braking time and a braking distance Sep. 17, 2002
6360854 Hydraulic brake system Mar. 26, 2002
6336686 Modular disc brake and actuator level therefor Jan. 8, 2002
6280002 Hydraulic braking system Aug. 28, 2001
6254197 Hydraulic braking system Jul. 3, 2001
6247564 Automotive suspension locking device Jun. 19, 2001
6179389 Pump system for generating a brake pressure Jan. 30, 2001
6155652 Cam activated hydraulic braking system Dec. 5, 2000
6106078 Pressure augmentation for brake apply system Aug. 22, 2000
6092789 Methods and apparatus for boom hoist systems Jul. 25, 2000
6027179 Emergency stop apparatus for hydraulic speed change gear Feb. 22, 2000
5984424 Emergency brake system for a vehicle Nov. 16, 1999
5884984 Hydraulic braking apparatus having two safety valves Mar. 23, 1999
5758928 Brake system for vehicle Jun. 2, 1998
5746293 Pneumatic pressure to hydraulic pressure intensifier mechanism May. 5, 1998
5549361 Electronic-hydraulic brake boost using a power steering supply Aug. 27, 1996
5435418 Emergency brake system for wheeled vehicles Jul. 25, 1995
5429411 Controls for tractor-trailer air deflector system Jul. 4, 1995
5429424 Pneumatic brake for railway locomotives and motor cars Jul. 4, 1995
5397173 Electro-hydraulic braking system for the wheels of an aircraft Mar. 14, 1995
5292183 Combination air/hydraulic intermittent braking system Mar. 8, 1994
5291973 Disk brake for a wheel Mar. 8, 1994
5273346 Braking system for motorcycle Dec. 28, 1993
5141086 Controller for rear brakes Aug. 25, 1992
5036961 Auxiliary parking brake system Aug. 6, 1991
4973107 Dual pressure air brake system Nov. 27, 1990
4940290 Hydraulic braking system Jul. 10, 1990

1 2










 
 
  Recently Added Patents
Supporting multiple channels of a single interface
Plants and seeds of hybrid corn variety CH514730
Method and system for establishing security connection between switch equipments
Extract of Vanilla planifolia
Methods of modulating interleukin-22 and immune response by notch regulators
Methods and apparatus to perform time zone determination by a mobile station
Audio signal clip detection
  Randomly Featured Patents
Chair with fold-down arms for providing additional seating
Base station synchronization for a single frequency network
Uniform distribution heat-transfer pipe unit for double-layer fluids
Automatic replenishment, calibration and metering system for an automatic tray processor
Method for information transmission of vehicle data and traffic information system
Drive mechanism
Wristwatch case
Bicycle hub
Toy figure
Back-flushable filter cartridge assemblies