| |
 |
|
Class Information
Number: 180/15
Name: Motor vehicles > Additional traction wheel
Description: Vehicles with driving devices consisting of one or more traction-wheels not constituting the main supporting-wheels of the vehicle. The traction-wheel is frequently mounted on a frame pivoted at one end to the vehicle body or running-gear.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7407024 |
Motorized traction device for a patient support |
Aug. 5, 2008 |
| 7311161 |
Hospital bed having a drive wheel unit |
Dec. 25, 2007 |
| 7275907 |
Boat trailer tug |
Oct. 2, 2007 |
| 7263424 |
Apparatus and method for controlling driving force supplied to wheels on opposite sides of vehicle |
Aug. 28, 2007 |
| 7243747 |
Trailer provided with manoeuvring device |
Jul. 17, 2007 |
| 7195253 |
Motorized traction device for a patient support |
Mar. 27, 2007 |
| 7172044 |
Self-propelled wheel board |
Feb. 6, 2007 |
| 7168514 |
Materials handling device and system |
Jan. 30, 2007 |
| 7090041 |
Motorized traction device for a patient support |
Aug. 15, 2006 |
| 7083012 |
Motorized traction device for a patient support |
Aug. 1, 2006 |
| 7014000 |
Braking apparatus for a patient support |
Mar. 21, 2006 |
| 7007765 |
Method for driving a wheeled carriage |
Mar. 7, 2006 |
| 6983813 |
Remote controlled and motorized baby walker |
Jan. 10, 2006 |
| 6896079 |
Convertible wheelchair and methods for making the same |
May. 24, 2005 |
| 6880661 |
Detachable motor drive for a bicycle |
Apr. 19, 2005 |
| 6877572 |
Motorized traction device for a patient support |
Apr. 12, 2005 |
| 6860347 |
Wheelchair drive unit |
Mar. 1, 2005 |
| 6729422 |
Detachable transmission mechanism for a wheel chair and driving device thereof |
May. 4, 2004 |
| 6725955 |
Powered trailer to propel a two wheeled vehicle |
Apr. 27, 2004 |
| 6725956 |
Fifth wheel for bed |
Apr. 27, 2004 |
| 6502842 |
Bicycle power generating arrangement |
Jan. 7, 2003 |
| 6481514 |
Auxiliary power device of wheelchair |
Nov. 19, 2002 |
| 6343665 |
Motor-assisted hand-movable cart |
Feb. 5, 2002 |
| 6290014 |
Power assist for bicycles |
Sep. 18, 2001 |
| 6179074 |
Ice shanty mover |
Jan. 30, 2001 |
| 6145611 |
Computerizable robotic automated bogie |
Nov. 14, 2000 |
| 6139032 |
Golf cart |
Oct. 31, 2000 |
| 5904214 |
Power assist anti-tip wheel system for invalid carriage |
May. 18, 1999 |
| 5839528 |
Detachable motorized wheel assembly for a golf cart |
Nov. 24, 1998 |
| 5829543 |
Motorized in-line blade roller skate |
Nov. 3, 1998 |
| 5826670 |
Detachable propulsive device for wheelchair |
Oct. 27, 1998 |
| 5762154 |
Electrical driving system for a wheel chair |
Jun. 9, 1998 |
| 5680907 |
Auxiliary solar-power automobile drive system |
Oct. 28, 1997 |
| 5515934 |
Agile versatile mobile robot body |
May. 14, 1996 |
| 5350029 |
Automobile emergency accessory |
Sep. 27, 1994 |
| 5222567 |
Power assist device for a wheelchair |
Jun. 29, 1993 |
| 5141067 |
Bicycle power pack |
Aug. 25, 1992 |
| 4860465 |
Snow grooming vehicle and attachments |
Aug. 29, 1989 |
| 4776415 |
Safety control for baby's walker |
Oct. 11, 1988 |
| 4753313 |
Towing vehicle |
Jun. 28, 1988 |
| 4699252 |
Rolling contact suction system for vehicle braking and adhesion |
Oct. 13, 1987 |
| 4697659 |
Vehicle fraction attachment |
Oct. 6, 1987 |
| 4683970 |
Trailer for all-terrain vehicle |
Aug. 4, 1987 |
| 4664208 |
Six-wheeled motor vehicle |
May. 12, 1987 |
| 4580652 |
Motorcycle sidecar |
Apr. 8, 1986 |
| 4535859 |
Vehicle |
Aug. 20, 1985 |
| 4448274 |
Vehicle |
May. 15, 1984 |
| 4304313 |
Tractor |
Dec. 8, 1981 |
| 4279603 |
Flexible paddle wheel structure |
Jul. 21, 1981 |
| 4193466 |
Traction-enhancing device for automotive vehicle drive wheels |
Mar. 18, 1980 |
|
|
|
