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Class Information
Number: 303/22.1
Name: Fluid-pressure and analogous brake systems > Load control
Description: Subject matter wherein int distribution of fluid to the brake motors of a machine, e.g., a vehicle, is regulated by means which responds to the weight of a gravity loading on the machine.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7182411 |
Pneumatic-based communications system |
Feb. 27, 2007 |
| 7137672 |
Diagonal parking brake activation for vehicles with plural axles |
Nov. 21, 2006 |
| 7111912 |
Control handle with spiral position sensor and integral switches |
Sep. 26, 2006 |
| 6863354 |
Hydraulic brake pressure control device of load responsive type |
Mar. 8, 2005 |
| 6820944 |
Digital multi-point electronic load weigh system |
Nov. 23, 2004 |
| 6666528 |
Empty load device |
Dec. 23, 2003 |
| 6561595 |
Brake assembly, system and method |
May. 13, 2003 |
| 6447075 |
Vehicle braking system using stored vehicle parameters for electronic control of braking |
Sep. 10, 2002 |
| 6302496 |
Load-dependent brake-power regulator |
Oct. 16, 2001 |
| 6273522 |
Trailer brake control |
Aug. 14, 2001 |
| 6273524 |
Braking force control valve and air brake system with the same |
Aug. 14, 2001 |
| 6015193 |
Braking and steering system for a vehicle |
Jan. 18, 2000 |
| 5992945 |
Hydraulic brake force regulating system |
Nov. 30, 1999 |
| 5961187 |
Load response type brake fluid pressure controller |
Oct. 5, 1999 |
| 5951117 |
Boosted braking system with automatically-controlled reaction |
Sep. 14, 1999 |
| 5823638 |
Microprocessor controlled electro-pneumatic brake system in a multi-platform railroad freight car |
Oct. 20, 1998 |
| 5769510 |
Process for controlling wheel longitudinal force in vehicle |
Jun. 23, 1998 |
| 5632530 |
Electronic braking system with system test |
May. 27, 1997 |
| 5615931 |
Method and apparatus for regulating the brake system of a vehicle |
Apr. 1, 1997 |
| 5595425 |
Brake pressure control unit of vehicle load responsive type |
Jan. 21, 1997 |
| 5588716 |
Method and device for electronically controlling the brake system of a vehicle |
Dec. 31, 1996 |
| 5518305 |
Vacuum brake power booster |
May. 21, 1996 |
| 5505532 |
Skid control system |
Apr. 9, 1996 |
| 5482359 |
System and method for determining relative vehicle mass |
Jan. 9, 1996 |
| 5475596 |
Full car semi-active suspension control based on quarter car control |
Dec. 12, 1995 |
| 5472264 |
Brake unit for automotive vehicles with electric drive |
Dec. 5, 1995 |
| 5409301 |
Method of determining an optimized value of brake pressure ratio between a tractor and a trailer or semitrailer |
Apr. 25, 1995 |
| 5403072 |
Brake pressure control device for optimizing the brake-lining wear of motor vehicle brakes |
Apr. 4, 1995 |
| 5390991 |
Anti-skid control system |
Feb. 21, 1995 |
| 5382085 |
Electrohydraulic or electropneumatic braking control device for axles of trailers with mechanical brakes, and safety valve |
Jan. 17, 1995 |
| 5303986 |
Electropneumatic brake control with retarder apportioning |
Apr. 19, 1994 |
| 5286094 |
Controlling braking forces in tractor-trailer combinations |
Feb. 15, 1994 |
| 5275265 |
Brake-booster with modulated reaction |
Jan. 4, 1994 |
| 5259666 |
Double brake booster |
Nov. 9, 1993 |
| 5257856 |
Method of and system for controlling brakes |
Nov. 2, 1993 |
| 5240312 |
Process and system for anti-lock control |
Aug. 31, 1993 |
| 5236251 |
Vehicle braking systems |
Aug. 17, 1993 |
| 5195808 |
Method and system for non-locking and non-skidding braking/traction of a vehicle wheel |
Mar. 23, 1993 |
| 5154492 |
Load sensing proportioning valve |
Oct. 13, 1992 |
| 5141086 |
Controller for rear brakes |
Aug. 25, 1992 |
| 5029947 |
Braking systems for articulated vehicles |
Jul. 9, 1991 |
| 5002343 |
Trailer brake control for towing vehicles having electronic brake control |
Mar. 26, 1991 |
| 4984852 |
Trailer mounted tractor-trailer brake control system |
Jan. 15, 1991 |
| 4941510 |
Relay valve for pneumatic or hydraulic application |
Jul. 17, 1990 |
| 4926907 |
Relay valve for pneumatic or hydraulic application |
May. 22, 1990 |
| 4925251 |
Brake corrector subject to the load of a vehicle as a function of the seating of the latter |
May. 15, 1990 |
| 4863221 |
Tandem drive axle anti-lock brake system |
Sep. 5, 1989 |
| 4861115 |
Electrically-controlled motor vehicle brake system |
Aug. 29, 1989 |
| 4828330 |
Brake corrector subject to the load of a vehicle |
May. 9, 1989 |
| 4826254 |
Hydraulic dual-circuit external power brake valve of tandem design |
May. 2, 1989 |
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