A61F 2002/503
For adjusting elasticity, flexibility, spring rate or mechanical tension
Official title: {for adjusting elasticity, flexibility, spring rate or mechanical tension}
A61F2002/503 (For adjusting elasticity, flexibility, spring rate or mechanical tension) appears on 308 US grants and 349 published applications in this corpus.
Search patents in A61F- Granted patents
- 308
- Published applications
- 349
- Assignees
- 112
- Inventors
- 462
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 0 |
| 2002 | 5 | 10 |
| 2003 | 6 | 7 |
| 2004 | 6 | 12 |
| 2005 | 8 | 14 |
| 2006 | 5 | 12 |
| 2007 | 5 | 13 |
| 2008 | 9 | 9 |
| 2009 | 7 | 12 |
| 2010 | 10 | 13 |
| 2011 | 10 | 11 |
| 2012 | 4 | 9 |
| 2013 | 9 | 11 |
| 2014 | 13 | 19 |
| 2015 | 11 | 20 |
| 2016 | 12 | 29 |
| 2017 | 15 | 20 |
| 2018 | 23 | 21 |
| 2019 | 22 | 21 |
| 2020 | 17 | 13 |
| 2021 | 11 | 18 |
| 2022 | 23 | 15 |
| 2023 | 8 | 17 |
| 2024 | 7 | 10 |
| 2025 | 11 | 6 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ground contact sensor array for lower-limb prosthetic and orthotic devices19 May 2026US 12,629,267 B2Ossur Iceland Ehf
- Implementing a stand-up sequence using a lower-extremity prosthesis or orthosis3 Mar 2026US 12,564,503 B2Otto Bock Healthcare GmbH
- 2 degrees of freedom prosthetic wrist structure3 Feb 2026US 12,539,221 B2Ozyegin Universitesi
- Prosthetic foot component30 Dec 2025US 12,508,137 B2Ottobock SE & Co. Kgaa
- Prosthetic foot with removable flexible members23 Dec 2025US 12,502,288 B2Ossur Iceland Ehf
- Prosthetic Foot24 Sep 2026US 2026/0283822 A1
- Prosthetic foot with removable flexible members21 May 2026US 2026/0137529 A1Ossur Iceland Ehf
- Self-adjusting socket for lower limb prosthesis7 May 2026US 2026/0124050 A1Vessl Prosthetics Inc.
- Prosthetic foot component19 Mar 2026US 2026/0076811 A1
- Prosthetic foot with enhanced stability and elastic energy return5 Mar 2026US 2026/0060819 A1Ossur Iceland Ehf
Most cited
By later US patents
- Shoe and foot prosthesis with bending beam spring structures186US 6,029,374 A2000
- Lower limb prosthesis with means for restricting dorsi-flexion177US 5,112,356 AChas. A. Blatchford & Sons Limited · 1992
- Shoe and foot prosthesis with bending beam spring structures168US 5,701,686 A1997
- Electronically controlled prosthetic system157US 7,029,500 B22006
- Prosthetic ankle joint mechanism153US 6,482,236 B22002