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Class Information
Number: 180/308
Name: Motor vehicles > Power > Including traction motor of kind driven by noncompressible fluid received under pressure from a pump > Having separate motor for each driven, surface-engaging member
Description: Vehicle wherein each driven wheel, track, or other traction-developing member is provided with an individual motor of the noncompressible fluid type for operating it.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7431122 |
Hydraulic axle-drive device |
Oct. 7, 2008 |
| 7419025 |
Hydraulic transaxle and vehicle comprising it |
Sep. 2, 2008 |
| 7406824 |
Hydrostatic transmission circuit with replenishing for a vehicle |
Aug. 5, 2008 |
| 7377353 |
Four wheel traction control valve system |
May. 27, 2008 |
| 7357214 |
Four-wheel drive combine with slip control |
Apr. 15, 2008 |
| 7353904 |
Steerable primary axle |
Apr. 8, 2008 |
| 7316287 |
Hydraulic pump unit, hydraulic pump set, and working vehicle |
Jan. 8, 2008 |
| 7281601 |
Fluid driven differential |
Oct. 16, 2007 |
| 7273125 |
Variable resolution control system |
Sep. 25, 2007 |
| 7255193 |
Speed equalizing linkage design for dual hydrostatic transmissions |
Aug. 14, 2007 |
| 7231999 |
Steerable primary axle |
Jun. 19, 2007 |
| 7178334 |
Hydrostatic vehicle drive system comprising a differential lock |
Feb. 20, 2007 |
| 7163078 |
Hydrostatic drive |
Jan. 16, 2007 |
| 7137315 |
Wheel hub having driving mechanism |
Nov. 21, 2006 |
| 7111704 |
Hydrostatic drive apparatus for a road vehicle |
Sep. 26, 2006 |
| 7100732 |
Positive traction hydraulic drive system |
Sep. 5, 2006 |
| 7100723 |
Multiple pressure mode operation for hydraulic hybrid vehicle powertrain |
Sep. 5, 2006 |
| 7044259 |
Hydraulic transmission for driving and steering wheels |
May. 16, 2006 |
| 7044257 |
Drive system of a utility vehicle |
May. 16, 2006 |
| 7017703 |
Four wheel traction control valve |
Mar. 28, 2006 |
| 6997280 |
Working vehicle propelled by independently driven right and left running units |
Feb. 14, 2006 |
| 6971463 |
Energy recovery system for work vehicle including hydraulic drive circuit and method of recovering energy |
Dec. 6, 2005 |
| 6913102 |
Working vehicle with traversing system |
Jul. 5, 2005 |
| 6904993 |
Hydrostatic drive and method for operating such a hydrostatic drive |
Jun. 14, 2005 |
| 6902027 |
Piping structure of crawler driving hydraulic motor |
Jun. 7, 2005 |
| 6896088 |
Operation of wheeled work machine |
May. 24, 2005 |
| 6892846 |
Four-wheel drive assist for electric machines |
May. 17, 2005 |
| 6877577 |
Vehicle all-wheel drive system |
Apr. 12, 2005 |
| 6843340 |
Hydraulic apparatus for vehicles |
Jan. 18, 2005 |
| 6811509 |
Hydraulic motor apparatus including brake mechanism |
Nov. 2, 2004 |
| 6808036 |
Electronic anti-skid device and method for motor vehicle with hydrostatic transmission |
Oct. 26, 2004 |
| 6809426 |
Gravity-based vehicle power system |
Oct. 26, 2004 |
| 6786289 |
Skid steer vehicle with direct drive |
Sep. 7, 2004 |
| 6732827 |
Independently powered computer controlled vehicle wheels |
May. 11, 2004 |
| 6701824 |
Axial piston machine |
Mar. 9, 2004 |
| 6688417 |
Axial piston unit for integrated wheel hub |
Feb. 10, 2004 |
| 6688419 |
Vehicle hydraulic driving system |
Feb. 10, 2004 |
| 6675575 |
Hydrostatic drive |
Jan. 13, 2004 |
| 6662895 |
Dual-path single-pump hydrostatic drive for mower |
Dec. 16, 2003 |
| 6634445 |
Skid steer vehicle having suspensions that are locked based on vehicle speed |
Oct. 21, 2003 |
| 6630217 |
Assembly and method to improve tarpaulin function as a protective cover |
Oct. 7, 2003 |
| 6622069 |
Automatic motor adjustment for differentially steered dual electric motor system |
Sep. 16, 2003 |
| 6604601 |
Lift truck drive train |
Aug. 12, 2003 |
| 6601663 |
Zero turn radius or ZTR vehicle with a one-pump two motor mechanism |
Aug. 5, 2003 |
| 6598694 |
Hub drive |
Jul. 29, 2003 |
| 6578656 |
Riding mower |
Jun. 17, 2003 |
| 6554084 |
Hydraulically driven forklift |
Apr. 29, 2003 |
| 6513614 |
Transmission on all wheel steer power machine |
Feb. 4, 2003 |
| 6508328 |
All wheel drive for motor grades |
Jan. 21, 2003 |
| 6496767 |
Constant groundspeed autoshift method and apparatus for maximizing fuel economy |
Dec. 17, 2002 |
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