A61F 2002/3495
Spherical shell significantly smaller than a hemisphere
Official title: {Spherical shell significantly smaller than a hemisphere, e.g. extending over less than 160 degrees}
A61F2002/3495 (Spherical shell significantly smaller than a hemisphere) appears on 59 US grants and 73 published applications in this corpus.
Search patents in A61F- Granted patents
- 59
- Published applications
- 73
- Assignees
- 17
- Inventors
- 102
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 4 |
| 2004 | 2 | 1 |
| 2005 | 0 | 6 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 5 | 3 |
| 2012 | 2 | 13 |
| 2013 | 3 | 3 |
| 2014 | 4 | 2 |
| 2015 | 6 | 2 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 4 | 1 |
| 2020 | 2 | 4 |
| 2021 | 2 | 0 |
| 2022 | 3 | 6 |
| 2023 | 1 | 2 |
| 2024 | 3 | 3 |
| 2025 | 2 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hip joint device and method3 Sep 2026US 2026/0256593 A1
- A dual mobility prothesis for implantation into the acetabulum16 Jul 2026US 2026/0199096 A1MatOrtho Limited
- Hip Joint23 Apr 2026US 2026/0108356 A1
- Hip Joint Method27 Nov 2025US 2025/0360003 A1
- Hip joint instrument and method15 May 2025US 2025/0152380 A1
Most cited
By later US patents
- Radiation and melt treated ultra high molecular weight polyethylene prosthetic device and method280US 6,641,617 B1Massachusetts Institute of Technology · 2003
- Melt-irradiated ultra high molecular weight polyethylene prosthetic devices222US 5,879,400 AMassachusetts Institute of Technology · 1999
- Prosthesis and methods for subtotal dome arthroplasty of the hip joint132US 5,127,920 A1992
- Artificial joint bioprosthesis for mitigation of wear77US 5,879,406 ASaint-Gobain Industrial Ceramics, Inc. · 1999
- Implant with reinforced resorbable stem77US 6,013,104 A2000