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Class Information
Number: 280/DIG.10
Name: Land vehicles > Stair climbing chairs
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7150463 |
Wheelchair capable of absorbing road shock |
Dec. 19, 2006 |
| 7080842 |
Device for climbing stairs for a wheelchair |
Jul. 25, 2006 |
| 7021641 |
Suspension structure for wheelchair |
Apr. 4, 2006 |
| 6907945 |
Wheel chair |
Jun. 21, 2005 |
| 6845830 |
Method of climbing up/down a step, bogie and wheelchair |
Jan. 25, 2005 |
| 6752400 |
Moving unit |
Jun. 22, 2004 |
| 6644426 |
Mobility device |
Nov. 11, 2003 |
| 6644675 |
Stair chair |
Nov. 11, 2003 |
| 6619414 |
Personal mobility vehicle |
Sep. 16, 2003 |
| 6550787 |
Conveying apparatus for ascending or descending stairways |
Apr. 22, 2003 |
| 6422576 |
Transport mechanism |
Jul. 23, 2002 |
| 6357774 |
Conversion kit for creating an obstacle-mounting wheelchair |
Mar. 19, 2002 |
| 6328120 |
Stair climbing vehicle |
Dec. 11, 2001 |
| 6325167 |
Structure of an electrical wheelchair |
Dec. 4, 2001 |
| 6234504 |
Level propelled wheelchair |
May. 22, 2001 |
| 6158536 |
Stair-climbing vehicle for wheelchair |
Dec. 12, 2000 |
| 6029982 |
Wheeled vehicle for movement on escalators |
Feb. 29, 2000 |
| 5996767 |
Wheelchair transporter for use on an escalator and an escalator control system for transporting the wheelchair transporter on the escalator |
Dec. 7, 1999 |
| 5868402 |
Motorized cart |
Feb. 9, 1999 |
| 5868403 |
Medical transport device |
Feb. 9, 1999 |
| 5797606 |
Transporter for patient's emergency escape |
Aug. 25, 1998 |
| 5653301 |
Wheel-supported apparatus for climbing and descending stairs |
Aug. 5, 1997 |
| 5641030 |
Powered tracked vehicle suitable for carriages for the disabled |
Jun. 24, 1997 |
| 5624128 |
Transport system for disabled people |
Apr. 29, 1997 |
| 5579857 |
Stair climbing vehicle |
Dec. 3, 1996 |
| 5577567 |
Stair climbing wheelchair |
Nov. 26, 1996 |
| 5423563 |
Wheelchair having apparatus for climbing stairs |
Jun. 13, 1995 |
| 5413367 |
Movable chair |
May. 9, 1995 |
| 5395129 |
Wheel chair |
Mar. 7, 1995 |
| 5338048 |
Collapsible wheelchair |
Aug. 16, 1994 |
| 5263547 |
Stair climbing device |
Nov. 23, 1993 |
| 5248007 |
Electronic control system for stair climbing vehicle |
Sep. 28, 1993 |
| 5158309 |
Stair climbing apparatus for collapsible wheelchair |
Oct. 27, 1992 |
| 5123495 |
Wheelchair stair climbing control system |
Jun. 23, 1992 |
| 5052237 |
Transmission device |
Oct. 1, 1991 |
| 5020818 |
All-terrain wheelchair |
Jun. 4, 1991 |
| 4962941 |
Wheelchair apparatus |
Oct. 16, 1990 |
| 4898256 |
Stair-climbing wheelchair carrier with crawlers |
Feb. 6, 1990 |
| 4811966 |
Kerb climbing device |
Mar. 14, 1989 |
| 4794999 |
Wheelchair and method of operating same |
Jan. 3, 1989 |
| 4790548 |
Climbing and descending vehicle |
Dec. 13, 1988 |
| 4771839 |
Stair-climbing wheelchair carrier |
Sep. 20, 1988 |
| 4747611 |
Curb ascending and descending wheelchair |
May. 31, 1988 |
| 4730684 |
Vehicle |
Mar. 15, 1988 |
| 4688813 |
Carrier for rescuing patients |
Aug. 25, 1987 |
| 4687068 |
Invalid's wheelchair and like conveyances |
Aug. 18, 1987 |
| 4674584 |
Stair-climbing wheelchair with stair step sensing means |
Jun. 23, 1987 |
| 4618155 |
Stair-climbing wheelchair |
Oct. 21, 1986 |
| 4585241 |
Carrier for rescuing patients |
Apr. 29, 1986 |
| 4569409 |
Stair climbing wheelchair |
Feb. 11, 1986 |
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