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Class Information
Number: 280/5.2
Name: Land vehicles > Step or abutment ascending type vehicle
Description: Vehicles (1) constructed to permit its parts to be arranged for, or (2) having means combined therewith for ascending or descending steps or similar obstructions.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7575076 |
Link-type double track mechanism for mobile robot |
Aug. 18, 2009 |
| 7540504 |
Step climbing wheelchair |
Jun. 2, 2009 |
| 7503567 |
Automated wheelchair |
Mar. 17, 2009 |
| 7472767 |
Wheelchair suspension |
Jan. 6, 2009 |
| 7398843 |
Reconfigurable robot drive |
Jul. 15, 2008 |
| 7384046 |
Powered wheeled vehicle capable of travelling on level ground, over uneven surfaces and on stairs |
Jun. 10, 2008 |
| 7083013 |
Self-leveling and balancing vehicle |
Aug. 1, 2006 |
| 7044481 |
Wheel assemblies for use with load bearing platforms |
May. 16, 2006 |
| 7036185 |
Arrangement in a wheel lifting mechanism |
May. 2, 2006 |
| 7017687 |
Reconfigurable articulated leg and wheel |
Mar. 28, 2006 |
| 6799649 |
Control of a balancing personal vehicle |
Oct. 5, 2004 |
| 6752400 |
Moving unit |
Jun. 22, 2004 |
| 6712369 |
Anti-turnover mechanism of electrical wheelchair |
Mar. 30, 2004 |
| 6454286 |
Traveling device for smooth and stable movement on uneven and inclined surfaces |
Sep. 24, 2002 |
| 6405816 |
Mechanical improvements to a personal vehicle |
Jun. 18, 2002 |
| 6402161 |
Portable stair-climbing load transporting dolly |
Jun. 11, 2002 |
| 6386552 |
Two-wheel hand truck |
May. 14, 2002 |
| 6357765 |
Obstacle traversing wheel assembly |
Mar. 19, 2002 |
| 6341784 |
Motor-driven stair climbing device |
Jan. 29, 2002 |
| 6293560 |
Suspension arrangement for a wheeled conveyance |
Sep. 25, 2001 |
| 6224068 |
Baggage pushcart configured for negotiating escalator stairways |
May. 1, 2001 |
| 6223104 |
Fault tolerant architecture for a personal vehicle |
Apr. 24, 2001 |
| 6217045 |
Massage table cart |
Apr. 17, 2001 |
| 6164398 |
Transporting device |
Dec. 26, 2000 |
| 6126176 |
Fall suppressing device for a vehicle configured to ride on descending and ascending escalators |
Oct. 3, 2000 |
| 6029982 |
Wheeled vehicle for movement on escalators |
Feb. 29, 2000 |
| 6003624 |
Stabilizing wheeled passenger carrier capable of traversing stairs |
Dec. 21, 1999 |
| 5868402 |
Motorized cart |
Feb. 9, 1999 |
| 5833249 |
Stair climbing hand truck |
Nov. 10, 1998 |
| 5829763 |
Power assisted lifting device |
Nov. 3, 1998 |
| 5655615 |
Wheeled vehicle for distributing agricultural materials in fields having uneven terrain |
Aug. 12, 1997 |
| 5653301 |
Wheel-supported apparatus for climbing and descending stairs |
Aug. 5, 1997 |
| 5624128 |
Transport system for disabled people |
Apr. 29, 1997 |
| 5603517 |
Walkers |
Feb. 18, 1997 |
| 5562172 |
Wheeled vehicle arrangement for distributing agricultural materials in fields having undulations such as soft walled levees and the like |
Oct. 8, 1996 |
| 5560626 |
Cart for negotiating escalators |
Oct. 1, 1996 |
| 5516127 |
Cart for negotiating escalators |
May. 14, 1996 |
| 5380075 |
Footed wheel for irrigation apparatus |
Jan. 10, 1995 |
| 5294136 |
One person furniture or appliance mover |
Mar. 15, 1994 |
| 5277436 |
Combination hand truck and stair ramp |
Jan. 11, 1994 |
| 5273296 |
Obstacle overcoming vehicle suspension system |
Dec. 28, 1993 |
| 5253885 |
Stairway descending patient carriage |
Oct. 19, 1993 |
| 5228709 |
Wheelchair driving mechanism |
Jul. 20, 1993 |
| 5026078 |
Harp caddy |
Jun. 25, 1991 |
| 4951768 |
Modular articulated vehicle manoevring among obstacles and modular member incorporated in said vehicle |
Aug. 28, 1990 |
| 4932491 |
Body steered rover |
Jun. 12, 1990 |
| 4919489 |
Cog-augmented wheel for obstacle negotiation |
Apr. 24, 1990 |
| 4858940 |
Stairway accessible carry cart with foldaway wheels |
Aug. 22, 1989 |
| 4781391 |
Harp carrier |
Nov. 1, 1988 |
| 4747611 |
Curb ascending and descending wheelchair |
May. 31, 1988 |
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