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Class Information
Number: 180/9.22
Name: Motor vehicles > Special driving device > Portable track > Endless, flexible > Guided by walking attendant
Description: Motor vehicles provided with means by which the vehicle may be supported or guided by a walking attendant.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7083012 |
Motorized traction device for a patient support |
Aug. 1, 2006 |
| 7059434 |
Hand controls for small loader |
Jun. 13, 2006 |
| 6832659 |
Loader frame and bolt-on track drive |
Dec. 21, 2004 |
| 6749034 |
Motorized traction device for a patient support |
Jun. 15, 2004 |
| 6626255 |
Towing vehicle for towing persons moving rollers or gliding bodies |
Sep. 30, 2003 |
| 6449882 |
Snow removal machine |
Sep. 17, 2002 |
| 6408962 |
Convertible sled for transporting large game |
Jun. 25, 2002 |
| 6155362 |
Dolly system with a motorized rolling track |
Dec. 5, 2000 |
| 5735361 |
Dual-pole personal towing vehicle |
Apr. 7, 1998 |
| 5197558 |
Stair-climbing wheelchair carrier |
Mar. 30, 1993 |
| 5147002 |
Robotic decontamination apparatus |
Sep. 15, 1992 |
| 5064011 |
Crawler-propelled truck |
Nov. 12, 1991 |
| 4865142 |
Load carry caterpillar and front wheel driven steerable vehicle |
Sep. 12, 1989 |
| 4771839 |
Stair-climbing wheelchair carrier |
Sep. 20, 1988 |
| 4747457 |
Platform truck for transporting bulky loads |
May. 31, 1988 |
| 4729444 |
Mobile security apparatus |
Mar. 8, 1988 |
| 4688813 |
Carrier for rescuing patients |
Aug. 25, 1987 |
| 4674584 |
Stair-climbing wheelchair with stair step sensing means |
Jun. 23, 1987 |
| 4671369 |
Stair-climbing wheelchair with means for cushioning vertical movements thereof |
Jun. 9, 1987 |
| 4645022 |
Tracked load carrying vehicle |
Feb. 24, 1987 |
| 4627508 |
Step-negotiating vehicle |
Dec. 9, 1986 |
| 4585241 |
Carrier for rescuing patients |
Apr. 29, 1986 |
| 4566550 |
Stair-climbing wheelchair carrier |
Jan. 28, 1986 |
| 4432426 |
Stair climbing wheelchair carrier |
Feb. 21, 1984 |
| 4401178 |
Wheelchair carrier |
Aug. 30, 1983 |
| 4290618 |
Hand truck stair tread engaging device |
Sep. 22, 1981 |
| 4198103 |
Differential track assembly for a cable laying machine |
Apr. 15, 1980 |
| 4095662 |
Garden tractor |
Jun. 20, 1978 |
| 4027889 |
Stair-climbing carrier |
Jun. 7, 1977 |
| 4026373 |
Hill plower |
May. 31, 1977 |
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