A61G 5/0816
Folding side to side
Official title: {folding side to side, e.g. reducing or expanding the overall width of the wheelchair}
A61G5/0816 (Folding side to side) appears on 321 US grants and 198 published applications in this corpus.
Search patents in A61G- Granted patents
- 321
- Published applications
- 198
- Assignees
- 141
- Inventors
- 492
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 0 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 1 |
| 2002 | 7 | 8 |
| 2003 | 6 | 12 |
| 2004 | 5 | 7 |
| 2005 | 9 | 11 |
| 2006 | 8 | 11 |
| 2007 | 5 | 5 |
| 2008 | 4 | 9 |
| 2009 | 7 | 4 |
| 2010 | 6 | 2 |
| 2011 | 6 | 5 |
| 2012 | 1 | 6 |
| 2013 | 6 | 5 |
| 2014 | 6 | 5 |
| 2015 | 6 | 6 |
| 2016 | 5 | 6 |
| 2017 | 11 | 13 |
| 2018 | 8 | 12 |
| 2019 | 7 | 5 |
| 2020 | 7 | 11 |
| 2021 | 7 | 11 |
| 2022 | 9 | 11 |
| 2023 | 10 | 10 |
| 2024 | 12 | 12 |
| 2025 | 7 | 6 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wheelchair22 Sep 2026US 12,740,902 B2Mazda Motor Corporation
- Foldable seating device15 Sep 2026US 12,734,082 B2P.R. Sella B.V.
- Walker5 May 2026US 12,616,628 B2Medical Depot, Inc.
- Electrical power assistance device for transport wheelchair14 Apr 2026US 12,599,520 B2Udeego, Inc.
- Rotatable swing arm stabilizer assembly for folding wheelchairs17 Feb 2026US 12,551,388 B2Spinergy Inc.
- Electrical power assistance device for transport wheelchair23 Jul 2026US 2026/0207401 A1Udeego, Inc.
- Frame for a wheelchair7 May 2026US 2026/0124083 A1Sylvan, Inc.
- Electric wheelchair and power unit of electric wheelchair23 Apr 2026US 2026/0108401 A1Yamaha Hatsudoki Kabushiki Kaisha
- Wheelchair configured to traverse sandy terrain26 Feb 2026US 2026/0054766 A1Innovative and Reflective Designs LLC
- Wheelchair4 Dec 2025US 2025/0367047 A1Passion Mobility Ltd.
Most cited
By later US patents
- Length and width adjustable wheelchair114US 4,989,890 AInvacare Corporation · 1991
- Multiple mode wheelchair construction110US 5,076,390 A1991
- Wheelchair with adjustable rear canes102US 4,721,321 AInvacare Corporation · 1988
- Electric control for wheelchair drive unit98US 5,125,468 A1992
- Adjustable frame wheelchair97US 5,020,816 AMulholland Designs, Inc. · 1991