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Class Information
Number: 180/9.21
Name: Motor vehicles > Special driving device > Portable track > Endless, flexible > Track substituted for drive wheel
Description: Motor vehicles wherein the endless track is substituted for one or more of the regular drive wheels of the vehicle.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7597161 Terrain conforming track assembly Oct. 6, 2009
7546890 Motor vehicle with an additional crawler undercarriage Jun. 16, 2009
7513327 System for converting a recreational vehicle Apr. 7, 2009
7389846 Personal all terrain vehicle Jun. 24, 2008
7328760 Semi tracked-type working vehicle Feb. 12, 2008
7255184 Track assembly Aug. 14, 2007
7156185 Soil stabilizer with track apparatus Jan. 2, 2007
7131508 Terrain conforming track assembly Nov. 7, 2006
7111697 Chassis supported track assembly Sep. 26, 2006
7083241 Track tensioner for a wheel-driven skid steer Aug. 1, 2006
7083012 Motorized traction device for a patient support Aug. 1, 2006
7063639 Snowmobile planetary drive system Jun. 20, 2006
6981563 Vehicle drive device with flexible crawler and vehicle thus obtained Jan. 3, 2006
6962222 Mobile agricultural machinery Nov. 8, 2005
RE38858 Frictionally driven belted work machine Nov. 1, 2005
6926105 Chassis supported track assembly Aug. 9, 2005
6907946 Brake system for a tracked vehicle Jun. 21, 2005
6904986 Terrain conforming track assembly Jun. 14, 2005
6889783 Remote controlled inspection vehicle utilizing magnetic adhesion to traverse nonhorizontal, nonflat, ferromagnetic surfaces May. 10, 2005
6870343 Integrated, proportionally controlled, and naturally compliant universal joint actuator with controllable stiffness Mar. 22, 2005
6857816 Roller Feb. 22, 2005
6851494 Crawler running gear Feb. 8, 2005
6814169 Interchangeable accessories for a remote controlled inspection vehicle Nov. 9, 2004
6774597 Apparatus for obstacle traversion Aug. 10, 2004
6742618 Snowmobile planetary drive system Jun. 1, 2004
6672413 Remote controlled inspection vehicle utilizing magnetic adhesion to traverse nonhorizontal, nonflat, ferromagnetic surfaces Jan. 6, 2004
6615939 ATV track conversion Sep. 9, 2003
6449882 Snow removal machine Sep. 17, 2002
6431301 Snow vehicle conversion kit Aug. 13, 2002
6357774 Conversion kit for creating an obstacle-mounting wheelchair Mar. 19, 2002
6318483 Disengageable drive arrangement for an all terrain vehicle having both tracks and wheels Nov. 20, 2001
6283562 Triangular crawler apparatus Sep. 4, 2001
RE37174 Frictionally driven belted work vehicle May. 15, 2001
6199646 Working vehicle with semicrawlers Mar. 13, 2001
6164399 Track-type carriage system for heavy vehicles Dec. 26, 2000
6135220 Modular system for track-laying vehicle Oct. 24, 2000
6095275 Conversion system for all terrain vehicles Aug. 1, 2000
5954148 Crawler apparatus for vehicle Sep. 21, 1999
5924503 Offset work vehicle drive system Jul. 20, 1999
5855248 Track drive conversion apparatus for wheel driven vehicle Jan. 5, 1999
5735361 Dual-pole personal towing vehicle Apr. 7, 1998
5699656 Agricultural combine Dec. 23, 1997
5388656 Endless belt traction device for vehicles Feb. 14, 1995
5363936 Frictionally driven belted work vehicle Nov. 15, 1994
5361860 Conversion unit for wheel-driven tractors Nov. 8, 1994
5343960 Caterpillar track attachment Sep. 6, 1994
5330019 Track vehicle Jul. 19, 1994
5318141 Low impact tracked vehicles Jun. 7, 1994
5279378 Frictionally driven belted work vehicle Jan. 18, 1994
5273126 Tracklaying vehicles Dec. 28, 1993

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