A61F 2/6607
Ankle joints
Official title: {Ankle joints}
A61F2/6607 (Ankle joints) appears on 546 US grants and 610 published applications in this corpus.
Search patents in A61F- Granted patents
- 546
- Published applications
- 610
- Assignees
- 191
- Inventors
- 832
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 0 |
| 2002 | 7 | 12 |
| 2003 | 6 | 8 |
| 2004 | 4 | 18 |
| 2005 | 7 | 21 |
| 2006 | 10 | 26 |
| 2007 | 5 | 15 |
| 2008 | 13 | 14 |
| 2009 | 10 | 18 |
| 2010 | 13 | 20 |
| 2011 | 16 | 23 |
| 2012 | 15 | 22 |
| 2013 | 11 | 19 |
| 2014 | 29 | 33 |
| 2015 | 23 | 32 |
| 2016 | 20 | 35 |
| 2017 | 23 | 33 |
| 2018 | 32 | 39 |
| 2019 | 40 | 33 |
| 2020 | 38 | 37 |
| 2021 | 23 | 27 |
| 2022 | 27 | 30 |
| 2023 | 25 | 35 |
| 2024 | 16 | 16 |
| 2025 | 22 | 30 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for an environment-aware predictive modeling framework for human-robot symbiotic walking6 Oct 2026US 12,755,410 B2Arizona Board of Regents on behalf of Arizona State University
- 3 degrees of freedom ankle prosthesis22 Sep 2026US 12,740,876 B2Ozyegin Universites!
- Prosthetic foot1 Sep 2026US 12,721,740 B2Ottobock SE & Co. Kgaa
- Powered knee and ankle prosthesis controller for adaptive ambulation4 Aug 2026US 12,697,233 B2University of Utah Research Foundation
- Hydraulic prosthetic ankle23 Jun 2026US 12,661,242 B2College Park Industries, Inc.
- Unified controller for powered ankle assistive devices8 Oct 2026US 2026/0306341 A1
- Prosthetic Foot24 Sep 2026US 2026/0283822 A1
- Systems for real-time prediction of transitions to rigid and compliant surfaces using myoelectric and kinematic data10 Sep 2026US 2026/0263244 A1University of Delaware
- Integrated multimodal sensory and intelligent adaptive control system and method for prosthetic limbs27 Aug 2026US 2026/0248625 A1King Fahd University of Petroleum and Minerals
- Orthopaedic joint device, and method for producing same6 Aug 2026US 2026/0224374 A1Otto Bock Healthcare Products GmbH
Most cited
By later US patents
- Self-adjusting prosthetic ankle apparatus247US 6,443,993 B12002
- 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 motion-controlled foot unit169US 7,431,737 B2Ossur Hf · 2008
- Electronically controlled prosthetic system157US 7,029,500 B22006