A61G 5/023
Acting directly on hubs or axis
Official title: {acting directly on hubs or axis}
A61G5/023 (Acting directly on hubs or axis) appears on 187 US grants and 123 published applications in this corpus.
Search patents in A61G- Granted patents
- 187
- Published applications
- 123
- Assignees
- 71
- Inventors
- 310
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 0 |
| 2002 | 2 | 4 |
| 2003 | 2 | 1 |
| 2004 | 3 | 3 |
| 2005 | 5 | 5 |
| 2006 | 1 | 7 |
| 2007 | 1 | 5 |
| 2008 | 2 | 9 |
| 2009 | 4 | 8 |
| 2010 | 5 | 6 |
| 2011 | 4 | 3 |
| 2012 | 6 | 6 |
| 2013 | 3 | 4 |
| 2014 | 4 | 4 |
| 2015 | 5 | 6 |
| 2016 | 8 | 7 |
| 2017 | 6 | 10 |
| 2018 | 7 | 5 |
| 2019 | 5 | 5 |
| 2020 | 4 | 4 |
| 2021 | 6 | 7 |
| 2022 | 2 | 5 |
| 2023 | 5 | 4 |
| 2024 | 3 | 1 |
| 2025 | 1 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump-action wheelchair and conversion kit6 Oct 2026US 12,751,871 B2
- Wheelchair propulsion system8 Sep 2026US 12,728,052 B2
- Mechanical wheelchair drive and wheelchair having such a mechanical wheelchair drive4 Mar 2025US 12,239,586 B2Technische Universitaet Wien
- Pneumatic powered mobility control systems23 Jul 2024US 12,042,444 B2The United States Government as represented by the Department of Veterans Affairs
- Power transmission mechanism4 Jun 2024US 11,998,496 B2National Institute of Advanced Industrial Science and Technology
- A wheel assembly for a manual wheelchair11 Jun 2026US 2026/0157897 A1
- Multi-Speed Ergonomic Wheelchair And Devices And Methods Therefor2 Oct 2025US 2025/0302681 A1Regents of the University of Minnesota
- Wheelchair Attachment For Locomotion12 Jun 2025US 2025/0186276 A1
- Wheelchair Propulsion System6 Mar 2025US 2025/0073102 A1
- Pump-action wheelchair and conversion kit11 Apr 2024US 2024/0115442 A1
Most cited
By later US patents