A61F 2/2403
With pivoting rigid closure members
Official title: {with pivoting rigid closure members (check valves with hinged closure members in general F16K15/03)}
A61F2/2403 (With pivoting rigid closure members) appears on 522 US grants and 391 published applications in this corpus.
Search patents in A61F- Granted patents
- 522
- Published applications
- 391
- Assignees
- 186
- Inventors
- 642
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 15 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 17 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 14 | 0 |
| 2000 | 8 | 0 |
| 2001 | 18 | 5 |
| 2002 | 8 | 6 |
| 2003 | 5 | 11 |
| 2004 | 9 | 12 |
| 2005 | 8 | 15 |
| 2006 | 5 | 10 |
| 2007 | 4 | 5 |
| 2008 | 3 | 8 |
| 2009 | 4 | 6 |
| 2010 | 10 | 13 |
| 2011 | 5 | 12 |
| 2012 | 7 | 13 |
| 2013 | 8 | 23 |
| 2014 | 9 | 20 |
| 2015 | 15 | 17 |
| 2016 | 29 | 31 |
| 2017 | 26 | 30 |
| 2018 | 22 | 28 |
| 2019 | 21 | 21 |
| 2020 | 22 | 20 |
| 2021 | 24 | 19 |
| 2022 | 16 | 14 |
| 2023 | 21 | 14 |
| 2024 | 15 | 22 |
| 2025 | 8 | 9 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tri-leaflet mechanical heart valve6 Oct 2026US 12,751,814 B2King Saud University
- Prosthetic heart valve devices and associated systems and methods15 Sep 2026US 12,734,030 B2Twelve, Inc.
- Frame for a prosthetic valve device and method of forming the same4 Aug 2026US 12,697,206 B2Thubrikar Aortic Valve, Inc.
- Temporary vascular valve and related systems and methods26 May 2026US 12,636,147 B2The Regents of the University of California
- Commissure locking member28 Apr 2026US 12,611,301 B2Edwards Lifesciences Corporation
- Systems, devices, and methods for controllably and selectively occluding, restricting, and diverting flow within a patient's vasculature20 Aug 2026US 2026/0240545 A1Relief Cardiovascular, Inc.
- Artificial valved conduits for cardiac reconstructive procedures and methods for their production13 Aug 2026US 2026/0232434 A1Carnegie Mellon University
- Tri-leaflet mechanical heart valve23 Jul 2026US 2026/0207325 A1King Saud University
- Artificial Heart Valve25 Jun 2026US 2026/0174550 A1The David J. Wheatley Discretionary Trust
- Treatment systems with adjustable flow shunts and sensors, and associated devices and methods14 May 2026US 2026/0130798 A1Shifamed Holdings, LLC
Most cited
By later US patents
- Implantable prosthetic valve1,995US 6,730,118 B2Percutaneous Valve Technologies, Inc. · 2004
- Implantable prosthetic valve1,862US 6,893,460 B2Percutaneous Valve Technologies, Inc. · 2005
- Artificial heart valve for implantation in a blood vessel1,767US 4,994,077 A1991
- Means and method of replacing a heart valve in a minimally invasive manner1,406US 6,402,780 B2Cardiovascular Technologies, LLC · 2002
- Implantable prosthetic valve1,347US 7,510,575 B2Edwards Lifesciences Corporation · 2009