A61F 2250/0019
Differing in hardness
Official title: differing in hardness, e.g. Vickers, Shore, Brinell
A61F2250/0019 (Differing in hardness) appears on 301 US grants and 403 published applications in this corpus.
Search patents in A61F- Granted patents
- 301
- Published applications
- 403
- Assignees
- 222
- Inventors
- 632
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 4 |
| 2002 | 8 | 24 |
| 2003 | 14 | 13 |
| 2004 | 9 | 27 |
| 2005 | 5 | 26 |
| 2006 | 13 | 23 |
| 2007 | 5 | 26 |
| 2008 | 5 | 24 |
| 2009 | 7 | 22 |
| 2010 | 10 | 19 |
| 2011 | 16 | 27 |
| 2012 | 16 | 19 |
| 2013 | 15 | 10 |
| 2014 | 14 | 12 |
| 2015 | 13 | 15 |
| 2016 | 16 | 15 |
| 2017 | 8 | 15 |
| 2018 | 12 | 13 |
| 2019 | 6 | 7 |
| 2020 | 12 | 13 |
| 2021 | 11 | 9 |
| 2022 | 11 | 12 |
| 2023 | 4 | 7 |
| 2024 | 7 | 8 |
| 2025 | 6 | 12 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multiple layer vascular graft18 Nov 2025US 12,472,053 B2Xeltis AG
- Controlled endoprosthesis balloon expansion30 Sep 2025US 12,427,046 B2W. L. Gore & Associates, Inc.
- Tympanostomy tube19 Aug 2025US 12,390,370 B2
- Biliary stents and methods27 May 2025US 12,310,832 B2Boston Scientific Scimed, Inc.
- Flexible endoluminal device22 Apr 2025US 12,279,980 B2W. L. Gore & Associates, Inc.
- Tubular grafts and methods for use19 Feb 2026US 2026/0047918 A1The Board of Trustees of the Leland Stanford Junior University
- Controlled endoprosthesis balloon expansion18 Dec 2025US 2025/0381050 A1W. L. Gore & Associates, Inc.
- Apparatus and methods for locking a prosthetic implant delivery apparatus16 Oct 2025US 2025/0318941 A1Edwards Lifesciences Corporation
- Pessary with removal feature17 Jul 2025US 2025/0228701 A1Sayco Pty. Ltd.
- Breast Implant10 Jul 2025US 2025/0221815 A1
Most cited
By later US patents
- Human spinal disc prosthesis1,200US 5,674,296 ASpinal Dynamics, Inc. · 1997
- Low wear artificial spinal disc1,173US 5,676,701 ASmith & Nephew, Inc. · 1997
- Surgical meshes1,114US 9,510,925 B2Covidien LP · 2016
- Human spinal disc prosthesis1,047US 5,865,846 A1999
- Human spinal disc prosthesis with hinges961US 6,001,130 A1999