A61F 2/604
Joints for artificial legs
Official title: {Joints for artificial legs (A61F2/605, A61F2/64, A61F2/6607 take precedence)}
A61F2/604 (Joints for artificial legs) appears on 57 US grants and 57 published applications in this corpus.
Search patents in A61F- Granted patents
- 57
- Published applications
- 57
- Assignees
- 31
- Inventors
- 130
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 3 |
| 2015 | 1 | 4 |
| 2016 | 2 | 4 |
| 2017 | 1 | 4 |
| 2018 | 3 | 4 |
| 2019 | 5 | 6 |
| 2020 | 3 | 5 |
| 2021 | 4 | 5 |
| 2022 | 6 | 4 |
| 2023 | 2 | 6 |
| 2024 | 2 | 2 |
| 2025 | 3 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Orthopedic joint and orthopedic device16 Jun 2026US 12,653,700 B2Otto Bock Healthcare Products GmbH
- Hydraulic actuator for orthotics or prosthetics and orthopaedic arrangement16 Jun 2026US 12,653,701 B2Otto Bock Healthcare Products GmbH
- Transfemoral prosthesis for walking, sitting- standing, stair climbing30 Dec 2025US 12,508,136 B2Ozyegin Universitesi
- Responsive biomechanical implants and devices14 Oct 2025US 12,440,340 B2Newtonoid Technologies, L.L.C.
- Joint device22 Apr 2025US 12,279,978 B2Otto Bock Healthcare Products GmbH
- Interchangeable, modular joint assembly for orthotic devices2 Oct 2025US 2025/0302654 A1Hitek Fabrication
- Responsive Biomechanical Implants and Devices28 Aug 2025US 2025/0268716 A1Newtonoid Technologies, L.L.C.
- Orthopaedic device and method for producing same13 Feb 2025US 2025/0049589 A1Otto Bock Healthcare Products GmbH
- Adaptive Compressive Prosthetic Device and Methods Of Using The Same3 Oct 2024US 2024/0325173 A1
- Joint device1 Feb 2024US 2024/0033106 A1Otto Bock Healthcare Products GmbH
Most cited
By later US patents
- Actuator assembly for prosthetic or orthotic joint111US 8,048,172 B2Ossur Hf · 2011
- Motorized joint91US 4,944,755 AAir Muscle Limited · 1990
- Actuator device for artificial leg81US 3,995,324 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1976
- Artificial leg having a lockable knee joint72US 4,179,759 A1979
- Artificial human limbs and joints employing actuators, springs, and variable-damper elements69US 9,333,097 B2Massachusetts Institute of Technology · 2016