Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 188/353
Name: Brakes > Operators > Fluid pressure > Road vehicle > With hydraulic lock
Description: Device including means to trap fluid in the brake system to hold the brakes applied.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8602506 Air brake locking device and system Dec. 10, 2013
8479898 Work vehicle control device Jul. 9, 2013
7950748 Internal hydraulic locking apparatus and methods for making and using same May. 31, 2011
7631950 Apparatus for stopping a vehicle Dec. 15, 2009
7125085 Braking force retaining unit Oct. 24, 2006
6920964 Automated hydraulic brake Jul. 26, 2005
6659244 Integrated foot control valve actuator Dec. 9, 2003
6634721 Trailer locking device Oct. 21, 2003
6609586 Emergency brake lever Aug. 26, 2003
6478384 Hydraulic braking system Nov. 12, 2002
6415897 Brake fluid pressure retaining unit Jul. 9, 2002
6364436 Brake control device Apr. 2, 2002
6332654 Grade-holding brake system Dec. 25, 2001
6327931 Control device Dec. 11, 2001
6238012 Direct manipulating direct-graduated release cap for 26-type control valves May. 29, 2001
6056373 System for controlling the braking action in a motor vehicle May. 2, 2000
6009984 Method and apparatus for controlling the brake system of a vehicle Jan. 4, 2000
5988333 Brake fluid blocking vehicle theft prevention system Nov. 23, 1999
5979619 Method and system for preventing unwanted rolling away of a vehicle Nov. 9, 1999
5967628 Vehicular brake system Oct. 19, 1999
5747886 Pneumatic antitheft apparatus with alarm May. 5, 1998
5730507 Cable extension for brake lock Mar. 24, 1998
5722517 Brake apparatus of a motor vehicle equipped with automatic transmission Mar. 3, 1998
5688027 Control valve lock for a vehicle air brake system Nov. 18, 1997
5642788 Dismount braking device for a snowmobile Jul. 1, 1997
5641032 Anti-theft system for a vehicle Jun. 24, 1997
5630487 Method of installing electric motorized brake-lock system May. 20, 1997
5595258 Anti-car jacking system Jan. 21, 1997
5584538 Brake system with automatic braking mechanism Dec. 17, 1996
5570756 Anti-theft system for immobilizing a vehicle Nov. 5, 1996
5558123 Electrically controlled pressure-holding valve Sep. 24, 1996
5505528 Electric motorized brake-lock system Apr. 9, 1996
5484044 Device for the automatic control of vehicular brake systems on hills Jan. 16, 1996
5477939 Brake-engaging vehicle anti-theft system Dec. 26, 1995
5431487 Hydraulic brake lock with electric valve controller Jul. 11, 1995
5417143 Lock-out mechanism for empty/load changeover valve May. 23, 1995
5413197 Parking brake valve May. 9, 1995
5403078 Hydraulic braking systems for vehicles Apr. 4, 1995
5399002 Security brake system Mar. 21, 1995
5392876 Anti-theft method and device for automotive vehicles Feb. 28, 1995
5390768 Manually actuated hydraulic brake device for use with a vehicle surge brake system Feb. 21, 1995
5378929 Trailer anti-theft device Jan. 3, 1995
5375684 Brake release lock Dec. 27, 1994
5351781 Bulldog vehicle anti-theft system Oct. 4, 1994
5344221 Anti-theft method and apparatus for locking the brakes of a vehicle Sep. 6, 1994
5335758 Anti-theft vehicle brake supervising device Aug. 9, 1994
5316378 Brake fluid pressure control apparatus May. 31, 1994
5259665 Brake control apparatus Nov. 9, 1993
5163741 Device for hydraulic brake lock valve with a closing piston Nov. 17, 1992
5158343 Method of shortening the braking distance in critical driving situations by sensing brake pedal speed Oct. 27, 1992

1 2










 
 
  Recently Added Patents
Strap-hook ring
Method of manufacturing touch panel
Method, apparatus and article for detection of transponder tagged objects, for example during surgery
Method and system for triggering message waiting indicator delivery
Base station, relay station, and bandwidth allocation method
Pull through coronary sinus pacing lead
Wireless communication system, wireless communication device, wireless communication method, and program
  Randomly Featured Patents
Creating animation effects
Configuration of failure and acquire timeouts to facilitate recovery from failures in hierarchical mesh networks
Amorphous metal laminate sheet
Universal instrument calibration system and method of use
Camera
Lockable quick foot for vehicle racks
Vacuum cleaner
Orthodontia analytical system
Set of connecting accessories for an electrical supply rail with an asymmetrical profile
Hair ornament and hair control device securing assembly