A61F 2002/30357
Stepped cylinders, i.e. having discrete diameter changes
Official title: {Stepped cylinders, i.e. having discrete diameter changes}
A61F2002/30357 (Stepped cylinders, i.e. having discrete diameter changes) appears on 89 US grants and 78 published applications in this corpus.
Search patents in A61F- Granted patents
- 89
- Published applications
- 78
- Assignees
- 49
- Inventors
- 149
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 3 |
| 2004 | 3 | 8 |
| 2005 | 3 | 2 |
| 2006 | 2 | 4 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 6 | 4 |
| 2010 | 0 | 1 |
| 2011 | 3 | 4 |
| 2012 | 3 | 4 |
| 2013 | 8 | 3 |
| 2014 | 2 | 3 |
| 2015 | 2 | 2 |
| 2016 | 4 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 3 |
| 2020 | 3 | 4 |
| 2021 | 3 | 6 |
| 2022 | 2 | 5 |
| 2023 | 3 | 4 |
| 2024 | 4 | 3 |
| 2025 | 8 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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- Modular hip stem prosthesis apparatus and method215US 5,002,578 AVenus Corporation · 1991
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