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Class Information
Number: 180/12
Name: Motor vehicles > Motor-carrying attachments > Driven steering wheel type
Description: Frames wherein the wheels of the attachment are driven and steered.










Sub-classes under this class:

Class Number Class Name Patents
180/13 Single wheel 74


Patents under this class:

Patent Number Title Of Patent Date Issued
8684113 Attachable, powered drive apparatus for wheelchairs Apr. 1, 2014
8590647 Wheelchair tow device Nov. 26, 2013
8430189 Power add-on device for manual wheelchair Apr. 30, 2013
8267206 Motorized traction device for a patient support Sep. 18, 2012
8051931 Motorized traction device for a patient support Nov. 8, 2011
7997361 Reverse drive mechanism for wheeled devices Aug. 16, 2011
7905304 Automatic guided vehicle drive device Mar. 15, 2011
7900734 Rider lift truck Mar. 8, 2011
7828092 Motorized traction device for a patient support Nov. 9, 2010
7721835 Self-propelled wheel for bicycles and similar vehicles May. 25, 2010
7694991 Motorized scooter wheelchair attachment device Apr. 13, 2010
7621356 Pallet puller tool Nov. 24, 2009
7617890 Steering mechanism for self-propelled mower Nov. 17, 2009
7549502 Steering device for steering wheels Jun. 23, 2009
7438144 Electrically-powered autonomous vehicle Oct. 21, 2008
7338061 Stabilized vehicle using articulating joint Mar. 4, 2008
7311161 Hospital bed having a drive wheel unit Dec. 25, 2007
7306250 Method of attaching a manually operated wheelchair to a motorized scooter Dec. 11, 2007
7198122 Device for transporting a stroller Apr. 3, 2007
6860347 Wheelchair drive unit Mar. 1, 2005
6481514 Auxiliary power device of wheelchair Nov. 19, 2002
6419565 Rotary floor finisher for use with a power rider trailer Jul. 16, 2002
6260646 Power-assisted pallet truck Jul. 17, 2001
6209670 Clutch for multi-directional transportation device Apr. 3, 2001
6202775 Rotary floor finisher for use with a power rider trailer Mar. 20, 2001
6145611 Computerizable robotic automated bogie Nov. 14, 2000
6089604 Wheeled chassis Jul. 18, 2000
5937959 Conveyance apparatus Aug. 17, 1999
5826670 Detachable propulsive device for wheelchair Oct. 27, 1998
5445236 Vehicle Aug. 29, 1995
5358065 Wheeled vehicle Oct. 25, 1994
5259471 Trailer dolly apparatus Nov. 9, 1993
5131714 General delivery load carrying vehicle Jul. 21, 1992
4848831 Motor Home assembly Jul. 18, 1989
4753313 Towing vehicle Jun. 28, 1988
4425979 Motor vehicle Jan. 17, 1984
4368793 Combination car system Jan. 18, 1983
4361200 Engine control system for a combination car system Nov. 30, 1982
4355694 Transmission control system for a combination car system Oct. 26, 1982
4351404 Brake control system for a combination car system Sep. 28, 1982
4321977 Hauling vehicle Mar. 30, 1982
4287959 Self propelled pallet truck Sep. 8, 1981
4279319 Hydraulic control system for vehicle axle suspension Jul. 21, 1981
4271920 Automobile vehicle with transverse engine-drive unit Jun. 9, 1981
4201273 Vehicle axle suspension system May. 6, 1980
4182426 Tractor unit for implements and vehicles Jan. 8, 1980
4136892 Method of connecting vehicle modules Jan. 30, 1979
4121680 Vehicles Oct. 24, 1978
4063612 Motorized golf bag cart Dec. 20, 1977
3963086 Twin-engine overhung scraper having a leading arm suspension Jun. 15, 1976











 
 
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