A61F 2002/6671
C-shaped
Official title: {C-shaped}
A61F2002/6671 (C-shaped) appears on 168 US grants and 160 published applications in this corpus.
Search patents in A61F- Granted patents
- 168
- Published applications
- 160
- Assignees
- 59
- Inventors
- 231
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 7 |
| 2003 | 6 | 4 |
| 2004 | 7 | 12 |
| 2005 | 8 | 11 |
| 2006 | 0 | 10 |
| 2007 | 4 | 4 |
| 2008 | 5 | 6 |
| 2009 | 5 | 6 |
| 2010 | 8 | 4 |
| 2011 | 5 | 5 |
| 2012 | 5 | 6 |
| 2013 | 5 | 5 |
| 2014 | 7 | 4 |
| 2015 | 3 | 6 |
| 2016 | 3 | 10 |
| 2017 | 2 | 9 |
| 2018 | 7 | 8 |
| 2019 | 6 | 10 |
| 2020 | 6 | 6 |
| 2021 | 6 | 9 |
| 2022 | 5 | 6 |
| 2023 | 5 | 3 |
| 2024 | 1 | 1 |
| 2025 | 6 | 5 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mechanical prosthetic foot for multiple activity levels14 Jul 2026US 12,678,304 B2Ossur Iceland Ehf
- Prosthetic/orthosis spring layer(s) with composite rivet(s)17 Mar 2026US 12,575,949 B2Camp Scandinavia AB
- Prosthetic foot with removable flexible members23 Dec 2025US 12,502,288 B2Ossur Iceland Ehf
- Pump mechanism11 Nov 2025US 12,465,505 B2Ossur Iceland Ehf
- Prosthetic feet with increased flexibility to accommodate different heel heights16 Sep 2025US 12,414,867 B1Ossur Iceland Ehf
- Prosthetic foot with removable flexible members21 May 2026US 2026/0137529 A1Ossur Iceland Ehf
- Prosthetic foot with enhanced stability and elastic energy return5 Mar 2026US 2026/0060819 A1Ossur Iceland Ehf
- Prosthetic foot with spaced spring elements26 Feb 2026US 2026/0053645 A1Otto Bock Healthcare GmbH
- Pump mechanism30 Oct 2025US 2025/0332005 A1Ossur Iceland Ehf
- Prosthetic foot with layers of fibrous material8 May 2025US 2025/0143894 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
- Modular composite prosthetic foot and leg154US 4,822,363 A1989
- Composite prosthetic foot and leg150US 4,547,913 AFlex-Foot, Inc. · 1985