A61F 2002/369
Stepped shaft, i.e. having discrete diameter changes
Official title: {Stepped shaft, i.e. having discrete diameter changes}
A61F2002/369 (Stepped shaft, i.e. having discrete diameter changes) appears on 58 US grants and 23 published applications in this corpus.
Search patents in A61F- Granted patents
- 58
- Published applications
- 23
- Assignees
- 24
- Inventors
- 73
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 4 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 4 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Press fit stem17 Jun 2025US 12,329,426 B2Howmedica Osteonics Corp.
- Press fit stem27 Jun 2023US 11,684,398 B2Howmedica Osteonics Corp.
- Osseointegrable device29 Oct 2019US 10,456,178 B2Osseointegration Holdings Pty Ltd
- Femoral stem with partially recessed porous coating19 Dec 2017US 9,844,438 B2Joint Development, LLC
- Method and apparatus for hip replacement19 Jan 2016US 9,237,949 B2iHip Surgical, LLC
- Flexible stem25 Jun 2026US 2026/0174564 A1Waldemar Link GmbH & Co. KG
- Press Fit Stem7 Sep 2023US 2023/0277226 A1Howmedica Osteonics Corp.
- Press Fit Stem30 Jul 2020US 2020/0237416 A1Howmedica Osteonics Corp.
- Femoral stem with partially recessed porous coating2 Mar 2017US 2017/0056184 A1Joint Development, LLC
- An osseointegrable device17 Nov 2016US 2016/0331422 A1Osseointegration Holdings Pty Ltd
Most cited
By later US patents
- Method of manufacturing of individually formed prothesis or implant308US 4,704,686 A1987
- Modular hip stem prosthesis apparatus and method215US 5,002,578 AVenus Corporation · 1991
- Artificial joint fixation to bone203US 4,549,319 AUnited States Medical Corporation · 1985
- Sleeves for affixing artificial joints to bone194US 4,790,852 AJoint Medical Products Corporation · 1988
- Apparatus for affixing a prosthesis to bone177US 4,846,839 AJoint Medical Products Corporation · 1989