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Class Information
Number: 180/417
Name: Motor vehicles > Steering gear > With fluid power assist
Description: Subject matter in which there is provided motive means movable by the application of a pressurized fluid thereto to provide substantially all of the force required for guiding the vehicle, the initiating and/or remaining force being provided by a vehicle operator in guiding the vehicle.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624837 |
Hydraulic power steering apparatus |
Dec. 1, 2009 |
| 7610988 |
Hydraulic steering |
Nov. 3, 2009 |
| 7596441 |
Power steering device |
Sep. 29, 2009 |
| 7591330 |
Fluid reservoir |
Sep. 22, 2009 |
| 7571040 |
Method and apparatus for controlling a magneto-rheological power steering coupling |
Aug. 4, 2009 |
| 7546895 |
Variable displacement pump |
Jun. 16, 2009 |
| 7497183 |
Power assist steering apparatus and method responsive to volume flow of fluid |
Mar. 3, 2009 |
| 7487856 |
Electrically actuated, hydraulic power steering system |
Feb. 10, 2009 |
| 7484588 |
Closed center steering system |
Feb. 3, 2009 |
| 7426977 |
Vehicle power steering system |
Sep. 23, 2008 |
| 7412315 |
Steering system for articulated vehicles |
Aug. 12, 2008 |
| 7389849 |
Steering apparatus with plural motors |
Jun. 24, 2008 |
| 7374011 |
Power steering apparatus |
May. 20, 2008 |
| 7364204 |
Integrated transfer line for automotive steering system |
Apr. 29, 2008 |
| 7337739 |
Steering-force detection device for steering handle of vehicle |
Mar. 4, 2008 |
| 7318386 |
Power assist steering apparatus and method responsive to volume flow of fluid |
Jan. 15, 2008 |
| 7311172 |
Straddle carrier with power steering |
Dec. 25, 2007 |
| 7296651 |
Power steering system frequency suppressor |
Nov. 20, 2007 |
| 7290637 |
Hydraulic steering mechanism and driving-steering-wheel support mechanism |
Nov. 6, 2007 |
| 7225894 |
Power steering apparatus |
Jun. 5, 2007 |
| 7213676 |
Power steering system |
May. 8, 2007 |
| 7210554 |
Power steering system |
May. 1, 2007 |
| 7185730 |
Hydraulic steering arrangement |
Mar. 6, 2007 |
| 7174988 |
Power steering system |
Feb. 13, 2007 |
| 7136732 |
Electric power steering apparatus |
Nov. 14, 2006 |
| 7114591 |
Steering system for working truck |
Oct. 3, 2006 |
| 7096993 |
Steering mechanism |
Aug. 29, 2006 |
| 7055644 |
Power steering system with hydraulic power assistance |
Jun. 6, 2006 |
| 7044261 |
Power steering motor having a noise dampening piston assembly |
May. 16, 2006 |
| 7036624 |
Power steering system |
May. 2, 2006 |
| 7021196 |
Steering rack |
Apr. 4, 2006 |
| 6978858 |
Visual reference control apparatus for hydraulic actuator systems |
Dec. 27, 2005 |
| 6971472 |
Fully hydraulic steering |
Dec. 6, 2005 |
| 6945351 |
Power steering apparatus |
Sep. 20, 2005 |
| 6929087 |
Hydraulic power steering system utilizing fuel as a working fluid |
Aug. 16, 2005 |
| 6926113 |
Cushioned steering for articulated vehicle |
Aug. 9, 2005 |
| 6896093 |
Integral power steering apparatus |
May. 24, 2005 |
| 6877582 |
Steering equipment for vehicles |
Apr. 12, 2005 |
| 6863147 |
Hydrostatic power steering device for fast steering |
Mar. 8, 2005 |
| 6832969 |
Hydraulic power steering system with reservoir and method of operating same |
Dec. 21, 2004 |
| 6820714 |
Hydraulically supported steering system |
Nov. 23, 2004 |
| 6752425 |
Semi-active control of automotive steering system vibration with magneto-rheological damping |
Jun. 22, 2004 |
| 6681885 |
Rack and pinion steering gear with powdered metal bushing |
Jan. 27, 2004 |
| 6681883 |
Method and apparatus for suppressing vibration in vehicle a steering system |
Jan. 27, 2004 |
| 6668968 |
Power steering system |
Dec. 30, 2003 |
| 6668966 |
Power steering device |
Dec. 30, 2003 |
| 6655491 |
Power steering apparatus |
Dec. 2, 2003 |
| 6644430 |
Integral bushing assembly for a rack and pinion steering gear |
Nov. 11, 2003 |
| 6629545 |
Cut-off valve for power steering systems, especially for automobiles |
Oct. 7, 2003 |
| 6598696 |
Device and method for purging trapped air from a vehicle steering gear housing |
Jul. 29, 2003 |
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