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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 |
| 6208929 |
Torque distribution control apparatus for 4 wheel driven vehicle |
Mar. 27, 2001 |
| 6199653 |
Four-wheel driven vehicle |
Mar. 13, 2001 |
| 6186258 |
Dynamic all wheel drive |
Feb. 13, 2001 |
| 6158303 |
Transfer case for four wheel drive vehicle |
Dec. 12, 2000 |
| 6155371 |
Drive layout for offroad vehicle |
Dec. 5, 2000 |
| 6154696 |
Steering control system for controlling torque steer |
Nov. 28, 2000 |
| 6125961 |
Four-wheel drive vehicle |
Oct. 3, 2000 |
| 6112842 |
Working vehicle |
Sep. 5, 2000 |
| 6112826 |
Agricultural tractor |
Sep. 5, 2000 |
| 6082514 |
Actuator for clutch ring |
Jul. 4, 2000 |
| 6076420 |
Power transmission changeover devices for four-wheel drive vehicles |
Jun. 20, 2000 |
| 6076623 |
Four-wheel drive vehicle power train |
Jun. 20, 2000 |
| 6047231 |
Four wheel drive transfer case controller compatible with a spare tire |
Apr. 4, 2000 |
| 6016883 |
Two wheel/four wheel drive shifting device including an indicator |
Jan. 25, 2000 |
| 6009968 |
Control apparatus method for four-wheel drive vehicle |
Jan. 4, 2000 |
| 6000296 |
Gated selector lever and controls for automatic transmission and transfer case |
Dec. 14, 1999 |
| 5996719 |
Control system for a selectable four-wheel drive transmission |
Dec. 7, 1999 |
| 5960670 |
Actuator for gear transfer case with cushion at end of travel |
Oct. 5, 1999 |
| 5954778 |
Four-wheel drive transfer case controller with torque decrement strategy |
Sep. 21, 1999 |
| 5947224 |
Four-wheel drive control system for vehicle |
Sep. 7, 1999 |
| 5931255 |
Power transfer arrangement for a machine |
Aug. 3, 1999 |
| 5893892 |
Vibration sensing and diagnostic system for vehicle drive train components |
Apr. 13, 1999 |
| 5884721 |
Button shift transfer system for a four-wheel drive vehicle |
Mar. 23, 1999 |
| 5839084 |
Driving-torque control system for four-wheel-drive vehicle |
Nov. 17, 1998 |
| 5819194 |
System for controlling four-wheel drive for motor vehicle |
Oct. 6, 1998 |
| 5809443 |
Four-wheel drive transfer case controller with compensation for tires with different diameters |
Sep. 15, 1998 |
| 5806623 |
Locking hub clutch system |
Sep. 15, 1998 |
| 5802489 |
Front wheel drive engagement control system for agricultural vehicles |
Sep. 1, 1998 |
| 5799748 |
Operating state detecting system of free-wheel hub mechanism for four-wheel-drive vehicles |
Sep. 1, 1998 |
| 5754970 |
Driving force transfer apparatus for four-wheel drive vehicle with fail safe structure |
May. 19, 1998 |
| 5752211 |
Control system for distributing drive torque between front and rear wheels of vehicle |
May. 12, 1998 |
| 5699870 |
Electric shift transfer case system for an automobile |
Dec. 23, 1997 |
| 5699872 |
Structure and method for easy access to and maintenance of accessories in a vehicle without removing a power unit |
Dec. 23, 1997 |
| 5685389 |
Drive of a cross-country vehicle |
Nov. 11, 1997 |
| 5680308 |
Automobile transfer case system and control circuit therefor |
Oct. 21, 1997 |
| 5669460 |
Automotive torque transfer case with reduced angle forward output shaft |
Sep. 23, 1997 |
| 5612880 |
Process for controlling travel state during braking in vehicle |
Mar. 18, 1997 |
| 5605201 |
On demand vehicle drive system |
Feb. 25, 1997 |
| 5584776 |
Transfer case having parallel clutches and lockup feature |
Dec. 17, 1996 |
| 5582263 |
Full-time four wheel drive transfer case |
Dec. 10, 1996 |
| 5562192 |
Electronic clutch control mechanism for a vehicle transmission |
Oct. 8, 1996 |
| 5551526 |
Modulated FWD clutch for tractor braking |
Sep. 3, 1996 |
| 5515940 |
Power unit for saddle type vehicle |
May. 14, 1996 |
| 5497845 |
Power transmitting system for vehicle |
Mar. 12, 1996 |
| 5492194 |
On demand vehicle drive system |
Feb. 20, 1996 |
| 5485894 |
On demand vehicle drive system |
Jan. 23, 1996 |
| 5469358 |
Method for generating wheel acceleration control signals and wheel deceleration control signals |
Nov. 21, 1995 |
| 5467839 |
All terrain vehicle |
Nov. 21, 1995 |
| 5461568 |
Torque split control apparatus |
Oct. 24, 1995 |
| 5450919 |
Differential action control system of a vehicle |
Sep. 19, 1995 |
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