A61F 2/64
Knee joints
A61F2/64 (Knee joints) appears on 596 US grants and 665 published applications in this corpus.
Search patents in A61F- Granted patents
- 596
- Published applications
- 665
- Assignees
- 208
- Inventors
- 910
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 1 |
| 2002 | 6 | 6 |
| 2003 | 6 | 7 |
| 2004 | 13 | 14 |
| 2005 | 9 | 16 |
| 2006 | 12 | 20 |
| 2007 | 6 | 14 |
| 2008 | 4 | 14 |
| 2009 | 10 | 24 |
| 2010 | 15 | 22 |
| 2011 | 14 | 19 |
| 2012 | 12 | 32 |
| 2013 | 13 | 26 |
| 2014 | 24 | 26 |
| 2015 | 20 | 35 |
| 2016 | 16 | 34 |
| 2017 | 23 | 30 |
| 2018 | 28 | 45 |
| 2019 | 38 | 38 |
| 2020 | 37 | 39 |
| 2021 | 29 | 39 |
| 2022 | 38 | 50 |
| 2023 | 31 | 38 |
| 2024 | 20 | 28 |
| 2025 | 21 | 28 |
| 2026 | 15 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Powered-on passive knee prosthesis system6 Oct 2026US 12,751,839 B2Vanderbilt University
- Method for controlling a damping modification15 Sep 2026US 12,734,048 B2Otto Bock Healthcare Products GmbH
- Prosthetic knee joint, prosthetic knee joint power generating method, and tangible computer-readable storage medium storing program1 Sep 2026US 12,721,738 B2Nabtesco Corporation
- Method for operating an orthopedic device and corresponding orthopedic device11 Aug 2026US 12,702,327 B2Otto Bock Healthcare Products GmbH
- Powered knee and ankle prosthesis controller for adaptive ambulation4 Aug 2026US 12,697,233 B2University of Utah Research Foundation
- Artificial knee joint, adjustment support apparatus for artificial knee joint, method of controlling artificial knee joint, and program to control artificial knee joint8 Oct 2026US 2026/0306280 A1Nabtesco Corporation
- Power transmission device and joint device24 Sep 2026US 2026/0287046 A1Honda Motor Co., Ltd.
- Powered prosthesis with torque-sensitive actuation17 Sep 2026US 2026/0272681 A1University of Utah Research Foundation
- Hydraulic dampener for a prosthetic device10 Sep 2026US 2026/0263243 A1Ossur Iceland Ehf
- Integrated multimodal sensory and intelligent adaptive control system and method for prosthetic limbs27 Aug 2026US 2026/0248625 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- System for controlling artificial knee joint action in an above knee prosthesis315US 5,571,205 A1996
- Speed-adaptive and patient-adaptive prosthetic knee220US 6,610,101 B2Massachusetts Institute of Technology · 2003
- Computer controlled hydraulic resistance device for a prosthesis and other apparatus206US 5,888,212 AMauch, Inc. · 1999
- System for controlling artificial knee joint action in an above knee prosthesis196US 5,383,939 A1995
- Electronically controlled prosthetic knee176US 6,764,520 B2Massachusetts Institute of Technology · 2004