A61F 2002/6657
Having a plate-like or strip-like spring element
Official title: {having a plate-like or strip-like spring element, e.g. an energy-storing cantilever spring keel}
A61F2002/6657 (Having a plate-like or strip-like spring element) appears on 509 US grants and 503 published applications in this corpus.
Search patents in A61F- Granted patents
- 509
- Published applications
- 503
- Assignees
- 150
- Inventors
- 659
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 7 | 0 |
| 1998 | 14 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 0 |
| 2002 | 9 | 14 |
| 2003 | 12 | 9 |
| 2004 | 16 | 16 |
| 2005 | 16 | 28 |
| 2006 | 4 | 23 |
| 2007 | 7 | 17 |
| 2008 | 13 | 16 |
| 2009 | 11 | 19 |
| 2010 | 17 | 12 |
| 2011 | 18 | 17 |
| 2012 | 14 | 19 |
| 2013 | 11 | 16 |
| 2014 | 17 | 23 |
| 2015 | 23 | 33 |
| 2016 | 18 | 31 |
| 2017 | 17 | 22 |
| 2018 | 25 | 31 |
| 2019 | 20 | 25 |
| 2020 | 22 | 24 |
| 2021 | 18 | 33 |
| 2022 | 17 | 25 |
| 2023 | 17 | 18 |
| 2024 | 17 | 11 |
| 2025 | 12 | 12 |
| 2026 | 11 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Height adjustable prosthesis pyramid connector15 Sep 2026US 12,734,050 B2Otto Bock Healthcare GmbH
- Prosthetic foot1 Sep 2026US 12,721,740 B2Ottobock SE & Co. Kgaa
- Prosthetic foot11 Aug 2026US 12,702,571 B2Ottobock SE & Co. Kgaa
- Mechanical prosthetic foot for multiple activity levels14 Jul 2026US 12,678,304 B2Ossur Iceland Ehf
- Prosthetic foot26 May 2026US 12,636,169 B2Starfish Holding, LLC
- Customized compliant prosthetic feet27 Aug 2026US 2026/0248626 A1Massachusetts Institute of Technology
- Foot and ankle prosthesis30 Jul 2026US 2026/0215936 A1Universidad Autonoma Del Estado De Mexico
- Prosthetic foot23 Jul 2026US 2026/0207353 A1Willowwood Global LLC
- Prosthetic foot with removable flexible members21 May 2026US 2026/0137529 A1Ossur Iceland Ehf
- Prosthetic foot with composite attachment16 Apr 2026US 2026/0102261 A1Willowwood Global LLC
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
- Adjustable prosthesis joint173US 5,957,981 AGramtec Innovation AB · 1999
- System and method for providing a sense of feel in a prosthetic or sensory impaired limb169US 6,500,210 B1Seattle Systems, Inc. · 2002
- System and method for motion-controlled foot unit169US 7,431,737 B2Ossur Hf · 2008