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Class Information
Number: 60/534
Name: Power plants > Pressure fluid source and motor > Pulsator > Having signal, indicator or recorder of apparatus condition
Description: Apparatus including (1) as indicating, registering, signalling or claim means for conveying information about a condition of the apparatus or (2) means that permits an inspection of normally hidden parts or operating fluid of the apparatus.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7555901 |
Drive mechanism |
Jul. 7, 2009 |
| 7448211 |
Reservoir tank for vehicle brake system |
Nov. 11, 2008 |
| 7318313 |
Switch |
Jan. 15, 2008 |
| 7246636 |
Hydraulic fluid reservoir and hydraulic system |
Jul. 24, 2007 |
| 7171982 |
Hydraulic fluid reservoir and hydraulic system |
Feb. 6, 2007 |
| 7018002 |
Motor vehicle master cylinder with device for detecting actuation of a braking system |
Mar. 28, 2006 |
| 6996984 |
Air-to-oil intensifying cylinder |
Feb. 14, 2006 |
| 6962166 |
Hydraulic fluid reservoir and hydraulic system |
Nov. 8, 2005 |
| 6951104 |
Hydraulic piston-and-cylinder arrangement |
Oct. 4, 2005 |
| 6886333 |
Signal transmitter comprising a hall sensor integrated in a master cylinder |
May. 3, 2005 |
| 6732517 |
Retainer for brake master cylinder travel sensor |
May. 11, 2004 |
| 6729450 |
Electro-hydraulic brake booster |
May. 4, 2004 |
| 6619039 |
Brake master cylinder-sensor system and method |
Sep. 16, 2003 |
| 6612659 |
Intelligent input push rod assembly |
Sep. 2, 2003 |
| 6564694 |
Dual hall effect sensor for determining travel |
May. 20, 2003 |
| 6539853 |
Smart card connector with retain and eject means |
Apr. 1, 2003 |
| RE37841 |
Vehicle brake system with an electronically controllable brake booster |
Sep. 17, 2002 |
| 6443535 |
Deceleration and compensation for low vacuum levels in a brake-by-wire braking system |
Sep. 3, 2002 |
| 6422661 |
Hydraulic brake master cylinder with integral pressure transducer |
Jul. 23, 2002 |
| 6322164 |
Braking device |
Nov. 27, 2001 |
| 6109036 |
Sealed hydraulic intensifier |
Aug. 29, 2000 |
| 5873247 |
Vehicle brake system with an electronically controllable brake booster |
Feb. 23, 1999 |
| 5852936 |
Pressure medium actuated operating device |
Dec. 29, 1998 |
| 5758758 |
Clutch assembly for a motor vehicle having an actuator cylinder for the engagement and release of the friction clutch assembly |
Jun. 2, 1998 |
| 5533336 |
Hydroelectric cylinder for improved power amplification and control |
Jul. 9, 1996 |
| 5201178 |
Hydra-jack screw |
Apr. 13, 1993 |
| 5182911 |
Hydraulic pressure actuating systems with pivotable mounting |
Feb. 2, 1993 |
| 5066940 |
Brake pedal travel warning system |
Nov. 19, 1991 |
| 5046313 |
Master cylinder with fluid level and pressure failure detection |
Sep. 10, 1991 |
| 5036664 |
Fluid pressure actuator with removable piston and cartridge unit |
Aug. 6, 1991 |
| 4914916 |
Tandem master cylinder with electromagnetic position sensors for each piston |
Apr. 10, 1990 |
| 4911276 |
Method of motor vehicle assembly |
Mar. 27, 1990 |
| 4828333 |
Slip-controlled brake system |
May. 9, 1989 |
| 4815292 |
Multi-part primary pressure-balanced proportioning valve with brake pressure failure switch |
Mar. 28, 1989 |
| 4788821 |
Hydraulic shift for motor vehicle transmission |
Dec. 6, 1988 |
| 4785615 |
Hydraulic shift for motor vehicle automatic transmission |
Nov. 22, 1988 |
| 4773222 |
Pneumatic brake booster with booster-cylinder-end retained relay valve |
Sep. 27, 1988 |
| 4771604 |
Pneumatic brake booster with relay valve in the booster-cylinder-end |
Sep. 20, 1988 |
| 4738107 |
Device in an actuator for elevation adjustment of work stations |
Apr. 19, 1988 |
| 4726629 |
Hydraulic brake-power booster unit |
Feb. 23, 1988 |
| 4711092 |
Light switch and brake line connector assembly |
Dec. 8, 1987 |
| 4657312 |
Slip-controlled brake system for motor vehicles |
Apr. 14, 1987 |
| 4630706 |
Vehicle braking system |
Dec. 23, 1986 |
| 4624108 |
Hydraulic brake booster |
Nov. 25, 1986 |
| 4621565 |
Hydraulic slave cylinder switch |
Nov. 11, 1986 |
| 4617855 |
Hydraulic slave cylinder switch |
Oct. 21, 1986 |
| 4597263 |
Pull type installation tool |
Jul. 1, 1986 |
| 4544075 |
Hydraulic pressure cylinder with integrated reservoir |
Oct. 1, 1985 |
| 4526003 |
Master brake cylinder for two-circuit braking systems |
Jul. 2, 1985 |
| 4514980 |
Hydraulic reservoir for tandem master cylinder |
May. 7, 1985 |
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