A61F 2/3836
Special connection between upper and lower leg
Official title: {Special connection between upper and lower leg, e.g. constrained}
A61F2/3836 (Special connection between upper and lower leg) appears on 538 US grants and 573 published applications in this corpus.
Search patents in A61F- Granted patents
- 538
- Published applications
- 573
- Assignees
- 167
- Inventors
- 630
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 6 |
| 2003 | 5 | 7 |
| 2004 | 5 | 11 |
| 2005 | 1 | 8 |
| 2006 | 4 | 6 |
| 2007 | 5 | 4 |
| 2008 | 1 | 16 |
| 2009 | 13 | 21 |
| 2010 | 13 | 23 |
| 2011 | 10 | 39 |
| 2012 | 19 | 30 |
| 2013 | 33 | 38 |
| 2014 | 31 | 66 |
| 2015 | 30 | 28 |
| 2016 | 40 | 33 |
| 2017 | 43 | 45 |
| 2018 | 30 | 23 |
| 2019 | 31 | 27 |
| 2020 | 29 | 37 |
| 2021 | 26 | 25 |
| 2022 | 24 | 18 |
| 2023 | 16 | 16 |
| 2024 | 21 | 26 |
| 2025 | 12 | 11 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Medially stabilising knee endoprosthesis22 Sep 2026US 12,740,868 B2Aesculap AG
- Knee arthroplasty with modular femoral adapters16 Jun 2026US 12,653,685 B2
- Implants for adding joint inclination to a knee arthroplasty2 Jun 2026US 12,642,664 B2Zimmer, Inc.
- Hinged articulating spacer system for revision knee arthroplasty5 May 2026US 12,616,577 B2
- Modular artificial knee system28 Apr 2026US 12,611,310 B2
- Bio-implantable actuator and artificial joint comprising same1 Oct 2026US 2026/0294635 A1
- Implantable prosthesis for replacement of the human knee joint10 Sep 2026US 2026/0263226 A1
- Knee arthroplasty with modular femoral adapters10 Sep 2026US 2026/0263227 A1
- Non-invasively adjustable bone prosthesis25 Jun 2026US 2026/0174479 A1Granite Medical, LLC
- Systems and methods for magnetic joints2 Apr 2026US 2026/0090892 A1
Most cited
By later US patents
- Process for converting a metal carbide to carbon by etching in halogens566US 6,579,833 B1The Board of Trustees of the University of Illinois · 2003
- Knee arthroplasty method480US 7,806,896 B1Marctec, LLC · 2010
- Methods and apparatuses for vertebral body distraction and fusion employing a coaxial screw gear sleeve mechanism453US 8,303,663 B2SpineX Tec, LLC · 2012
- Totally posterior stabilized knee prosthesis407US 5,236,461 A1993
- Methods and apparatuses for vertebral body distraction and fusion employing a coaxial screw gear sleeve mechanism380US 8,771,360 B2SpineX Tec, LLC · 2014