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Browse by Category: Main > Transportation & Automotive
Class Information
Number: 280/250.1
Name: Land vehicles > Wheeled > Occupant propelled type > With propulsion means > Hand propelled > Wheelchair type
Description: Vehicles for use by a seated disabled occupant.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
8702115 Drive mechanism and bicycle drive system Apr. 22, 2014
8690178 Patient transfer system Apr. 8, 2014
8684113 Attachable, powered drive apparatus for wheelchairs Apr. 1, 2014
8684398 Adjustable wheelchair seat Apr. 1, 2014
8678402 Portable convertible wheelchair Mar. 25, 2014
8672356 Seatbelt device for wheelchair Mar. 18, 2014
8668220 Wheelchair system Mar. 11, 2014
8662516 Wheelchair caster mounting assembly Mar. 4, 2014
8662515 Movable wheelchair structure Mar. 4, 2014
8657319 Selective torque application device Feb. 25, 2014
8657320 Sensor arrangement Feb. 25, 2014
8651507 Mounting assembly for attaching auxiliary equipment to a wheelchair Feb. 18, 2014
8646795 Reclining seat Feb. 11, 2014
8641070 Drive assistance device, wheelchair and method for determination of the physical efficiency and muscular effort data of a wheelchair driver Feb. 4, 2014
8636298 Wheelchair Jan. 28, 2014
8622410 Wheelchair legrest assembly Jan. 7, 2014
8622178 In-hub braking system for manual wheelchairs Jan. 7, 2014
8622409 Structure, components and method for constructing and operating an automatically self locking manually propelled vehicle such as a wheel chair Jan. 7, 2014
8616572 Mono-fork for a front caster of a wheelchair Dec. 31, 2013
8616573 Manual wheelchair travels straight on sloped sidewalk surfaces Dec. 31, 2013
8616574 Compact ergonomic mobility chair Dec. 31, 2013
8579315 Reconfigurable tilt wheelchair Nov. 12, 2013
8573622 Wheelchair Nov. 5, 2013
8573625 Buddy tow and go Nov. 5, 2013
8544865 Sanitary wheelchair cover and drive grip Oct. 1, 2013
8540266 Wheelchair Sep. 24, 2013
8534683 Wheelchair handlebar adjustment Sep. 17, 2013
8522907 Personal mobility device Sep. 3, 2013
8517469 Three-axis adjustable back support assembly and method Aug. 27, 2013
8511699 Reconfigurable tilt wheelchair Aug. 20, 2013
8505946 Wheelchair device Aug. 13, 2013
8496260 Wheelchair bag transporting mechanism Jul. 30, 2013
8496261 Child mobility chair Jul. 30, 2013
8490994 Wheelchair frame and wheelchair with cross-brace Jul. 23, 2013
8474849 Wheelchair legrest assembly Jul. 2, 2013
8474848 Personal mobility vehicle with tiltable seat Jul. 2, 2013
8469383 Midwheel drive wheelchair with independent front and rear suspension Jun. 25, 2013
8459677 Wheelchair, wheelchair apparatus and wheelchair care service network system Jun. 11, 2013
8434775 Wheelchair having torsion-acting shock absorption and detachable drive train May. 7, 2013
8424896 Telescoping crossbar assembly Apr. 23, 2013
8414008 Wheelchair system Apr. 9, 2013
8403420 Reversible footrest Mar. 26, 2013
8398108 Transfer chair Mar. 19, 2013
8388010 Manual wheelchair power assist Mar. 5, 2013
8381883 Wheelchair safety device Feb. 26, 2013
8348293 Wheelchair with easily changeable wheel sets Jan. 8, 2013
8336898 Reconfigurable tilt wheelchair Dec. 25, 2012
8328215 Wheelchair having pivoting backrest frame assembly Dec. 11, 2012
8326473 Powered vehicle convoying systems and methods of convoying powered vehicles Dec. 4, 2012
8322741 Apparatus for tilting a wheelchair seat Dec. 4, 2012

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