A61F 2/3845
Allowing only for single rotation
Official title: {allowing only for single rotation}
A61F2/3845 (Allowing only for single rotation) appears on 55 US grants and 43 published applications in this corpus.
Search patents in A61F- Granted patents
- 55
- Published applications
- 43
- Assignees
- 34
- Inventors
- 101
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 4 |
| 2015 | 3 | 3 |
| 2016 | 3 | 3 |
| 2017 | 4 | 3 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 3 | 1 |
| 2021 | 1 | 5 |
| 2022 | 0 | 2 |
| 2023 | 3 | 2 |
| 2024 | 3 | 5 |
| 2025 | 0 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hinged articulating spacer system for revision knee arthroplasty5 May 2026US 12,616,577 B2
- Hinge knee assembly guide13 Jan 2026US 12,521,247 B2Howmedica Osteonics Corp.
- Orthopaedic surgical instrument system and a method of trialing an orthopaedic prosthetic assembly6 Aug 2024US 12,053,386 B2Depuy Ireland Unlimited Company
- Hinge joint system with distal femoral replacement prosthetic knee28 May 2024US 11,992,413 B2Delta Ortho, LLC
- Hinged articulating spacer system for revision knee arthroplasty2 Jan 2024US 11,857,424 B2
- Constrained prosthetic knee31 Jul 2025US 2025/0241760 A1Zimmer, Inc.
- Hinged orthopaedic prosthesis system having controlled curvature2 Jan 2025US 2025/0000659 A1Depuy Ireland Unlimited Company
- Orthopaedic device with cam for a joint10 Oct 2024US 2024/0335294 A1Exolab
- Constrained prosthetic knee27 Jun 2024US 2024/0207056 A1Zimmer, Inc.
- Constrained prosthetic knee27 Jun 2024US 2024/0207057 A1Zimmer, Inc.
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
- Totally posterior stabilized knee prosthesis407US 5,236,461 A1993
- Modular tibial prosthesis296US 4,938,769 A1990
- Total knee prosthesis with resurfacing and posterior stabilization capability263US 5,358,527 A1994
- Device for displacing two bodies relative to each other245US 5,720,746 A1998