A61F 2002/3453
Having a non-hemispherical convex outer surface
Official title: {having a non-hemispherical convex outer surface, e.g. quadric-shaped}
A61F2002/3453 (Having a non-hemispherical convex outer surface) appears on 123 US grants and 75 published applications in this corpus.
Search patents in A61F- Granted patents
- 123
- Published applications
- 75
- Assignees
- 59
- Inventors
- 202
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 4 |
| 2003 | 4 | 4 |
| 2004 | 4 | 4 |
| 2005 | 0 | 13 |
| 2006 | 1 | 2 |
| 2007 | 0 | 4 |
| 2008 | 3 | 0 |
| 2009 | 1 | 5 |
| 2010 | 3 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 4 | 2 |
| 2014 | 4 | 2 |
| 2015 | 4 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 3 | 1 |
| 2019 | 3 | 4 |
| 2020 | 0 | 3 |
| 2021 | 2 | 2 |
| 2022 | 2 | 7 |
| 2023 | 2 | 3 |
| 2024 | 3 | 2 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61F 2002/3462Having a frustoconical external shapeIndexing code49
- A61F 2002/3456Ellipsoidal or having a flattened polar regionIndexing code34
- A61F 2002/3459Made of different partially-spherical portionsIndexing code32
- A61F 2002/3454Having an oblong, oval or elliptical cross-section in the equatorial planeIndexing code12
- A61F 2002/3466Having a cylindrical external shapeIndexing code10
Recent patents
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- Acetabular apparatuses for hip revision surgery25 Jan 2024US 2024/0024115 A1Smith & Nephew Asia Pacific Pte. Limited
- Prostheses14 Dec 2023US 2023/0397993 A1Inixio Limited
- Off-center liner for acetabular cup18 May 2023US 2023/0149174 A1Arthrology Consulting, LLC
- Quantitative assessment of prosthesis press-fit fixation27 Apr 2023US 2023/0128395 A1
Most cited
By later US patents
- Precision hip joint replacement method400US 6,156,069 A2000
- Radiation and melt treated ultra high molecular weight polyethylene prosthetic device and method280US 6,641,617 B1Massachusetts Institute of Technology · 2003
- Acetabular cup assembly with selected bearing252US 6,475,243 B1Howmedica Osteonics Corp. · 2002
- Melt-irradiated ultra high molecular weight polyethylene prosthetic devices222US 5,879,400 AMassachusetts Institute of Technology · 1999
- Implantable metallic open-celled lattice/polyethylene composite material and devices206US 6,087,553 AImplex Corporation · 2000