A61G 5/045
Rear wheel drive
Official title: {Rear wheel drive}
A61G5/045 (Rear wheel drive) appears on 427 US grants and 338 published applications in this corpus.
Search patents in A61G- Granted patents
- 427
- Published applications
- 338
- Assignees
- 216
- Inventors
- 794
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 13 | 0 |
| 1993 | 13 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 20 | 0 |
| 2001 | 12 | 5 |
| 2002 | 13 | 9 |
| 2003 | 7 | 22 |
| 2004 | 17 | 13 |
| 2005 | 11 | 11 |
| 2006 | 5 | 19 |
| 2007 | 5 | 27 |
| 2008 | 7 | 17 |
| 2009 | 11 | 6 |
| 2010 | 10 | 18 |
| 2011 | 13 | 10 |
| 2012 | 9 | 9 |
| 2013 | 6 | 8 |
| 2014 | 11 | 7 |
| 2015 | 11 | 10 |
| 2016 | 5 | 11 |
| 2017 | 12 | 7 |
| 2018 | 7 | 12 |
| 2019 | 7 | 11 |
| 2020 | 10 | 23 |
| 2021 | 17 | 17 |
| 2022 | 10 | 14 |
| 2023 | 13 | 11 |
| 2024 | 15 | 16 |
| 2025 | 9 | 8 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dynamically balanced in-line wheel vehicle15 Sep 2026US 12,735,138 B2TWILL Technology, Inc.
- Articulated motor support for wheelchair18 Aug 2026US 12,708,574 B2Motion Composites Inc.
- Patient support apparatus with adaptive user interface14 Jul 2026US 12,678,356 B2Stryker Corporation
- Front add-on for a wheelchair2 Jun 2026US 12,642,719 B2Permobil AB
- Auxiliary drive device for a wheelchair26 May 2026US 12,636,207 B2Alber GmbH
- Wheelchair24 Sep 2026US 2026/0283872 A1Regents of the University of Minnesota
- Movable seat and power-assisted control method thereof, and device with storage function17 Sep 2026US 2026/0272737 A1Zhejiang Zubu Medical Technology Co., Ltd.
- Electric wheelchair13 Aug 2026US 2026/0232504 A1Jtekt Corporation
- Electric wheelchair6 Aug 2026US 2026/0224416 A1Jtekt Corporation
- Bobotic Care Bed6 Aug 2026US 2026/0224422 A1
Most cited
By later US patents
- Wheel chair171US 4,566,707 A1986
- Wheelchair voice control apparatus163US 5,812,978 ATracer Round Associaties, Ltd. · 1998
- Stabilizing wheeled passenger carrier capable of traversing stairs162US 6,003,624 AUniversity of Washington · 1999
- Electrically powered wheel-chair for indoor and outdoor use157US 3,952,822 AStiftelsen Teknisk Hjalp at Handikappade Permobilstiftelsen · 1976
- Step-climbing wheel chair150US 4,222,449 A1980