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Class Information
Number: 180/233
Name: Motor vehicles > Having four wheels driven
Description: Vehicle provided with four wheels and means for driving each of the wheels.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4867260 |
All-wheel drive vehicle power train |
Sep. 19, 1989 |
| 4866625 |
Four-wheel drive vehicle having antislip apparatus |
Sep. 12, 1989 |
| 4862987 |
All-wheel-drive off-highway vehicle |
Sep. 5, 1989 |
| 4861118 |
Anti-lock brake system |
Aug. 29, 1989 |
| 4858716 |
Two wheel/four wheel drive change over apparatus for four-wheel drive vehicles |
Aug. 22, 1989 |
| 4856630 |
Motor vehicle |
Aug. 15, 1989 |
| 4856611 |
Propelling transmission system of tractor |
Aug. 15, 1989 |
| 4854414 |
Electric control apparatus for transfer device in part-time four-wheel drive vehicle |
Aug. 8, 1989 |
| 4846298 |
Driving force distribution control system for 4WD vehicle |
Jul. 11, 1989 |
| 4840246 |
Power transmission control system for a four-wheel drive vehicle |
Jun. 20, 1989 |
| 4840263 |
Hydraulic control device for 4WD torque distribution clutch providing stabilized pressure characteristics |
Jun. 20, 1989 |
| 4832145 |
Four wheel-drive anti-locking braking |
May. 23, 1989 |
| 4830136 |
Four-wheel drive motor vehicle |
May. 16, 1989 |
| 4823897 |
Drive arrangement for all-wheel drive vehicles |
Apr. 25, 1989 |
| 4823895 |
Three wheeled vehicle with combined power transmission and steering system |
Apr. 25, 1989 |
| 4817751 |
A driving force distribution transmission for vehicles with four-wheel drive |
Apr. 4, 1989 |
| 4805720 |
Vehicle drivetrain |
Feb. 21, 1989 |
| 4805718 |
Power transmission system for a four-wheel drive |
Feb. 21, 1989 |
| 4805715 |
Differential pawl activation apparatus |
Feb. 21, 1989 |
| 4805713 |
Power transmitting system for a four-wheel drive vehicle |
Feb. 21, 1989 |
| 4804060 |
Frame type tractor |
Feb. 14, 1989 |
| 4804059 |
System for controlling a transfer clutch of a four-wheel drive vehicle |
Feb. 14, 1989 |
| 4798259 |
Front wheel speed-up mechanism for a four wheel drive vehicle when turning |
Jan. 17, 1989 |
| 4792011 |
Arrangement for the control of the force-transmission of a four-wheel drive vehicle |
Dec. 20, 1988 |
| 4792010 |
Four wheel drive vehicle |
Dec. 20, 1988 |
| 4792009 |
Four wheel drive vehicle |
Dec. 20, 1988 |
| 4781265 |
Intermittent change-over control from two-wheel drive to four-wheel drive |
Nov. 1, 1988 |
| 4776444 |
Arrangement for the shifting of a multi-disk clutch for the locking of a transfer differential for the drive of two vehicle axles of a motor vehicle |
Oct. 11, 1988 |
| 4776424 |
Driving force distribution control system for 4WD vehicle |
Oct. 11, 1988 |
| 4773500 |
Driving torque distribution control system for 4WD vehicle |
Sep. 27, 1988 |
| 4773517 |
Torque control system for vehicles |
Sep. 27, 1988 |
| 4771850 |
Automotive traction control system with feature of enabling and disabling control depending upon vehicle speed |
Sep. 20, 1988 |
| 4770266 |
Brake control system for four-wheel drive vehicle |
Sep. 13, 1988 |
| 4768602 |
Vehicle steering system |
Sep. 6, 1988 |
| 4765433 |
Four wheel drive vehicle with antilock brake device and associated method operation |
Aug. 23, 1988 |
| 4763747 |
All wheel drive for a motor vehicle |
Aug. 16, 1988 |
| 4763912 |
Automotive traction control system with feature of adjusting wheel slippage detecting threshold level depending upon vehicle speed |
Aug. 16, 1988 |
| 4762376 |
Anti-skid control system for motor vehicles of the type switchable between two-wheel drive (2WD) and four-wheel drive (4WD) |
Aug. 9, 1988 |
| 4762213 |
Driving system for a four-wheel drive vehicle |
Aug. 9, 1988 |
| 4757870 |
Four wheel drive system having driving force distribution control responsive to front and rear wheel speed difference |
Jul. 19, 1988 |
| 4754834 |
Four wheel drive system having driving force distribution control responsive to vehicle lateral acceleration |
Jul. 5, 1988 |
| 4754835 |
Control arrangement for four-wheel drive vehicles |
Jul. 5, 1988 |
| 4747643 |
Motor vehicle having two driven axles and brake system |
May. 31, 1988 |
| 4747463 |
Diaphragm actuator mounting on a transfer case |
May. 31, 1988 |
| 4747462 |
Four wheel drive vehicle |
May. 31, 1988 |
| 4745826 |
Shift condition detector for an automatic vehicle transmission |
May. 24, 1988 |
| 4745986 |
Motor vehicle with front-mounted transverse power unit |
May. 24, 1988 |
| 4744435 |
Motor vehicle having all-wheel drive |
May. 17, 1988 |
| 4744436 |
Adapter case assembly in four-wheel drive vehicle |
May. 17, 1988 |
| 4723624 |
Torque control arrangements for four-wheel-drive vehicles |
Feb. 9, 1988 |
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