A61F 2/4465
Having a circular or kidney shaped cross-section substantially perpendicular to the axis
Official title: {having a circular or kidney shaped cross-section substantially perpendicular to the axis of the spine}
A61F2/4465 (Having a circular or kidney shaped cross-section substantially perpendicular to the axis) appears on 1,653 US grants and 1,964 published applications in this corpus.
Search patents in A61F- Granted patents
- 1,653
- Published applications
- 1,964
- Assignees
- 372
- Inventors
- 1,640
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 15 | 10 |
| 2002 | 17 | 45 |
| 2003 | 34 | 32 |
| 2004 | 29 | 50 |
| 2005 | 14 | 48 |
| 2006 | 25 | 39 |
| 2007 | 18 | 55 |
| 2008 | 11 | 63 |
| 2009 | 24 | 48 |
| 2010 | 30 | 62 |
| 2011 | 48 | 101 |
| 2012 | 65 | 131 |
| 2013 | 95 | 104 |
| 2014 | 97 | 120 |
| 2015 | 93 | 110 |
| 2016 | 114 | 130 |
| 2017 | 147 | 130 |
| 2018 | 109 | 119 |
| 2019 | 115 | 114 |
| 2020 | 93 | 92 |
| 2021 | 80 | 74 |
| 2022 | 90 | 75 |
| 2023 | 76 | 74 |
| 2024 | 73 | 54 |
| 2025 | 79 | 48 |
| 2026 | 37 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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