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Class Information
Number: 180/11
Name: Motor vehicles > Motor-carrying attachments
Description: Devices comprising a frame carrying a motor supported on one or more wheels and adapted to be attached to a vehicle which supports the frame in part.










Sub-classes under this class:

Class Number Class Name Patents
180/12 Driven steering wheel type 50


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8684113 Attachable, powered drive apparatus for wheelchairs Apr. 1, 2014
8607905 Apparatus for moving wheeled loads Dec. 17, 2013
8590647 Wheelchair tow device Nov. 26, 2013
8430189 Power add-on device for manual wheelchair Apr. 30, 2013
8297384 Methods and apparatus for utilizing electrically powered vehicles Oct. 30, 2012
8267206 Motorized traction device for a patient support Sep. 18, 2012
8261859 Motor powered bicycle trailer with integral hitch force metering Sep. 11, 2012
8256543 Bicycle rear wheel propelled by trailer mounted power supply and drive train Sep. 4, 2012
8181725 Aircraft tug May. 22, 2012
8177011 Easily removable forecab for a motorcycle May. 15, 2012
8056162 Patient support apparatus with motorized traction control Nov. 15, 2011
8056657 Bicycle rear wheel propelled by trailer mounted power supply and drive train Nov. 15, 2011
8051931 Motorized traction device for a patient support Nov. 8, 2011
8047320 Adjustable power unit mounting attachment for vehicle Nov. 1, 2011
7997361 Reverse drive mechanism for wheeled devices Aug. 16, 2011
7931108 Semi-trailer repositioner Apr. 26, 2011
7886854 Wheelchair Feb. 15, 2011
7828092 Motorized traction device for a patient support Nov. 9, 2010
7735587 Hand truck driving apparatus Jun. 15, 2010
7694991 Motorized scooter wheelchair attachment device Apr. 13, 2010
7621356 Pallet puller tool Nov. 24, 2009
7571914 Push-pull cart collection device and conversion assembly Aug. 11, 2009
7549502 Steering device for steering wheels Jun. 23, 2009
7494154 Powered maneuverable and retractable trailer jack device Feb. 24, 2009
7481286 Motorized propulsion system for a bed Jan. 27, 2009
7464776 Motorized vehicle Dec. 16, 2008
7438144 Electrically-powered autonomous vehicle Oct. 21, 2008
7407024 Motorized traction device for a patient support Aug. 5, 2008
7328761 Steerable trailer drive assembly Feb. 12, 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
7275608 Motor-driven vehicle with a vehicle frame and a driving device that are interconnected removably Oct. 2, 2007
7275907 Boat trailer tug Oct. 2, 2007
7254468 Multi-network control system for a vehicle Aug. 7, 2007
7195253 Motorized traction device for a patient support Mar. 27, 2007
7134515 Utility transport system Nov. 14, 2006
7080842 Device for climbing stairs for a wheelchair Jul. 25, 2006
7032694 Propulsion sulky Apr. 25, 2006
7021407 Motorized propulsion system for a bed Apr. 4, 2006
7006902 Control system and method for an equipment service vehicle Feb. 28, 2006
6986397 Power riding trailer for an implement Jan. 17, 2006
6983813 Remote controlled and motorized baby walker Jan. 10, 2006
6945343 Motorized trailer wheel with direct drive and trailer incorporating same Sep. 20, 2005
6938711 Freestanding self-propelled device for moving objects Sep. 6, 2005
6896079 Convertible wheelchair and methods for making the same May. 24, 2005
6860347 Wheelchair drive unit Mar. 1, 2005
6758291 Compact multipurpose trailer tug Jul. 6, 2004
6729421 Motor-assist gurney unit and method May. 4, 2004
6725955 Powered trailer to propel a two wheeled vehicle Apr. 27, 2004
6698540 Motorized snowboard Mar. 2, 2004

1 2 3










 
 
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