A61F 2250/0021
Differing in coefficient of friction
Official title: differing in coefficient of friction
A61F2250/0021 (Differing in coefficient of friction) appears on 102 US grants and 122 published applications in this corpus.
Search patents in A61F- Granted patents
- 102
- Published applications
- 122
- Assignees
- 56
- Inventors
- 214
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 0 | 4 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 3 | 7 |
| 2007 | 1 | 6 |
| 2008 | 3 | 3 |
| 2009 | 3 | 7 |
| 2010 | 4 | 6 |
| 2011 | 2 | 4 |
| 2012 | 6 | 3 |
| 2013 | 2 | 6 |
| 2014 | 4 | 2 |
| 2015 | 8 | 8 |
| 2016 | 3 | 9 |
| 2017 | 5 | 3 |
| 2018 | 3 | 5 |
| 2019 | 7 | 5 |
| 2020 | 8 | 5 |
| 2021 | 2 | 5 |
| 2022 | 5 | 7 |
| 2023 | 2 | 3 |
| 2024 | 6 | 8 |
| 2025 | 1 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Leaflet abrasion mitigation in prosthetic heart valves19 May 2026US 12,629,249 B2St. Jude Medical, Cardiology Division, Inc.
- Readjustable midurethral sling11 Nov 2025US 12,465,474 B2Soranus Arge Ve Danismanlik Hizmetleri Sanayi Ticaret A.S.
- Prosthesis for supporting a breast structure10 Dec 2024US 12,161,547 B2Sofradim Production
- Liner for prosthetic and orthopedic systems30 Apr 2024US 11,969,366 B2Ossur Hf
- Leaflet Abrasion Mitigation in Prosthetic Heart Valves13 Aug 2026US 2026/0232433 A1St. Jude Medical, Cardiology Division, Inc.
- Outer skirts for prosthetic heart valves and associated methods6 Aug 2026US 2026/0224361 A1Edwards Lifesciences Corporation
- Delivery device for a replacement heart valve implant18 Jun 2026US 2026/0165838 A1Boston Scientific Scimed, Inc.
- A surgical device26 Mar 2026US 2026/0083543 A1
- Prosthetic valve docking device11 Sep 2025US 2025/0281281 A1Edwards Lifesciences Corporation
Most cited
By later US patents
- Nonstented heart valves with formed in situ support1,449US 7,534,259 B2Direct Flow Medical, Inc. · 2009
- Nonstented temporary valve for cardiovascular therapy805US 7,320,704 B2Direct Flow Medical, Inc. · 2008
- Mold apparatus and kit for in situ tissue repair723US 6,443,988 B1Disc Dynamics, Inc. · 2002
- Articulating joint repair590US 5,888,220 AAdvanced Bio Surfaces, Inc. · 1999
- Biomaterial system for in situ tissue repair512US 6,306,177 B1Advanced Bio Surfaces, Inc. · 2001