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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:

Class Number Class Name Patents
180/251 Including longitudinally extending, endless element for transmitting drive to wheels 45
180/242 Including pump and fluid motor, or generator and electric motor, for driving one or more wheels 265
180/245 Including separate mechanical assemblies for transmitting drive to each of two wheels at one end of vehicle 96
180/248 With differential means for driving two wheel sets at dissimilar speeds 552
180/247 With manually operated means for disengaging drive to one or more, but fewer than all, of the four wheels 556
180/244 With means for braking either (1) one or more driven wheels or (2) structure transmitting drive to wheel 134
180/234 With means for steering all driven wheels 82


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8694224 Vehicle yaw rate correction Apr. 8, 2014
8682556 Control device for controlling drive force that operates on vehicle Mar. 25, 2014
8622164 Control apparatus for four-wheel drive vehicle, four-wheel drive vehicle, and control method Jan. 7, 2014
8574111 Dual torque limiter Nov. 5, 2013
8554441 Phasing of traction control based on vehicle speed and road slope Oct. 8, 2013
8527178 Control apparatus for four-wheel drive vehicle Sep. 3, 2013
8517139 Tractor Aug. 27, 2013
8517136 Vehicle Aug. 27, 2013
8517135 Vehicle suspension system having adjustable track width Aug. 27, 2013
8505669 Driving force distribution device Aug. 13, 2013
8474567 Method for calibrating an actuator of an all-wheel drive clutch Jul. 2, 2013
8459395 Switching device of a driving power transmission system and an off-road vehicle Jun. 11, 2013
8430209 Articulated vehicle Apr. 30, 2013
8403094 Power unit and vehicle equipped with it Mar. 26, 2013
8392068 Vehicle behavior control device Mar. 5, 2013
8387741 Drive train arrangement for a vehicle Mar. 5, 2013
8381861 Power transfer unit with dual hypoid geartrain Feb. 26, 2013
8381866 Vehicle transmission Feb. 26, 2013
8382125 Side-by-side ATV Feb. 26, 2013
8371413 Control device for power transmitting device for four-wheel drive hybrid-vehicle Feb. 12, 2013
8364360 Motor vehicle with insertable four-wheel drive Jan. 29, 2013
8352145 Traction control device Jan. 8, 2013
8335602 System and method for controlling a hybrid power propulsion unit for a permanent four wheel drive mode operation Dec. 18, 2012
8327967 Driveline for off-road vehicle Dec. 11, 2012
8322480 Control device and control method for belt-type continuously variable transmission Dec. 4, 2012
8316981 Vehicular actuator arrangement and implementations Nov. 27, 2012
8256558 Differential system Sep. 4, 2012
8239108 Drive line operation method Aug. 7, 2012
8225898 Arrangement of components in a vehicle, and vehicle incorporating same Jul. 24, 2012
8215440 Drive train for a vehicle with connectable secondary axle Jul. 10, 2012
8219308 Monowheel type vehicle Jul. 10, 2012
8214114 Control of engine torque for traction and stability control events for a hybrid powertrain system Jul. 3, 2012
8214117 Driving force controlling apparatus of vehicle Jul. 3, 2012
8200403 Method for controlling input torque provided to a transmission Jun. 12, 2012
8157044 Drivetrain for an all terrain vehicle Apr. 17, 2012
8149587 Drive modularity Apr. 3, 2012
8122993 Power steering for an all terrain vehicle Feb. 28, 2012
8061467 Engine arrangement structure of saddle-ride type vehicle Nov. 22, 2011
8016065 Split chaincase with fixed axles Sep. 13, 2011
7992668 Low-angle spline coupling for power transmission units Aug. 9, 2011
7979188 Method for activating and deactivating the four-wheel drive of service and working vehicles without interactive differential locks Jul. 12, 2011
7958969 Transfer device for vehicle Jun. 14, 2011
7954586 ATV engine power output conversion mechanism Jun. 7, 2011
7922185 Vehicle with live twist beam axle assembly Apr. 12, 2011
7917262 Control apparatus for vehicle Mar. 29, 2011
7909126 System and method for integrating a torque vectoring differential with a stability control system Mar. 22, 2011
7905803 Straddle-type vehicle and power unit Mar. 15, 2011
7900735 Hydrostatic transaxle Mar. 8, 2011
7885746 System architecture optimization for electronic transmission range selection Feb. 8, 2011
7870926 Vehicles including jack shaft having clutch and coupling engine and front wheel Jan. 18, 2011

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