A61F 2002/30331
Made by longitudinally pushing a protrusion into a complementarily-shaped recess
Official title: {made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit}
A61F2002/30331 (Made by longitudinally pushing a protrusion into a complementarily-shaped recess) appears on 4,744 US grants and 5,275 published applications in this corpus.
Search patents in A61F- Granted patents
- 4,744
- Published applications
- 5,275
- Assignees
- 1,125
- Inventors
- 5,402
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 12 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 20 | 0 |
| 1988 | 6 | 0 |
| 1989 | 25 | 0 |
| 1990 | 35 | 0 |
| 1991 | 30 | 0 |
| 1992 | 32 | 0 |
| 1993 | 15 | 0 |
| 1994 | 30 | 0 |
| 1995 | 27 | 0 |
| 1996 | 71 | 0 |
| 1997 | 66 | 0 |
| 1998 | 75 | 0 |
| 1999 | 94 | 0 |
| 2000 | 88 | 0 |
| 2001 | 88 | 35 |
| 2002 | 106 | 114 |
| 2003 | 84 | 149 |
| 2004 | 106 | 235 |
| 2005 | 75 | 273 |
| 2006 | 104 | 228 |
| 2007 | 81 | 214 |
| 2008 | 60 | 236 |
| 2009 | 119 | 193 |
| 2010 | 169 | 204 |
| 2011 | 170 | 200 |
| 2012 | 194 | 249 |
| 2013 | 237 | 271 |
| 2014 | 265 | 284 |
| 2015 | 232 | 236 |
| 2016 | 229 | 219 |
| 2017 | 219 | 222 |
| 2018 | 211 | 230 |
| 2019 | 212 | 221 |
| 2020 | 191 | 160 |
| 2021 | 170 | 199 |
| 2022 | 165 | 243 |
| 2023 | 144 | 164 |
| 2024 | 174 | 188 |
| 2025 | 179 | 195 |
| 2026 | 90 | 113 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61F 2002/30362With possibility of relative movement between the protrusion and the recessIndexing code1,815
- A61F 2002/30332Conically- or frustoconically-shaped protrusion and recessIndexing code1,711
- A61F 2002/30354Cylindrically-shaped protrusion and recessIndexing code839
- A61F 2002/30378Spherically-shaped protrusion and recessIndexing code399
- A61F 2002/30359Pyramidally- or frustopyramidally-shaped protrusion and recessIndexing code145
- A61F 2002/30352Protrusion and recess of d-shaped cross-sectionIndexing code50
- A61F 2002/3036Protrusion and recess of kidney-shaped cross-sectionIndexing code8
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Most cited
By later US patents
- Artificial spinal fusion implants1,486US 5,522,899 ASofamor Danek Properties, Inc. · 1996
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- Intersomatic vertebral cage1,224US 5,554,191 ABiomat · 1996