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Class Information
Number: 137/598
Name: Fluid handling > Systems > Hydraulic brake line (e.g., hill holders)
Description: Systems comprising a liquid flow passage between the master cylinder and the brake or slave cylinder, including means in the line to control the flow of fluid between said cylinders.

Patents under this class:

Patent Number Title Of Patent Date Issued
8602506 Air brake locking device and system Dec. 10, 2013
6338398 Vehicle with braking force retaining unit Jan. 15, 2002
5558123 Electrically controlled pressure-holding valve Sep. 24, 1996
4925252 Automobile brake system May. 15, 1990
4921082 Fluid control cylinder assembly for automobile brake system May. 1, 1990
4915131 Hill-holder Apr. 10, 1990
4802563 Braking force holding device for an air brake system Feb. 7, 1989
4658942 Liquid pressure operated braking system Apr. 21, 1987
4515259 Clutch-operated hill holder brake system May. 7, 1985
4457412 Brake control mechanism Jul. 3, 1984
4018314 Anti-theft vehicle brake-supervising device Apr. 19, 1977

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