A61F 2/2475
Venous valves
Official title: {Venous valves}
A61F2/2475 (Venous valves) appears on 556 US grants and 788 published applications in this corpus.
Search patents in A61F- Granted patents
- 556
- Published applications
- 788
- Assignees
- 195
- Inventors
- 768
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 8 | 7 |
| 2002 | 3 | 18 |
| 2003 | 13 | 32 |
| 2004 | 8 | 39 |
| 2005 | 12 | 31 |
| 2006 | 16 | 50 |
| 2007 | 10 | 48 |
| 2008 | 16 | 33 |
| 2009 | 28 | 36 |
| 2010 | 37 | 43 |
| 2011 | 24 | 35 |
| 2012 | 39 | 41 |
| 2013 | 30 | 31 |
| 2014 | 27 | 32 |
| 2015 | 23 | 26 |
| 2016 | 27 | 18 |
| 2017 | 27 | 31 |
| 2018 | 25 | 28 |
| 2019 | 28 | 33 |
| 2020 | 21 | 30 |
| 2021 | 24 | 24 |
| 2022 | 22 | 26 |
| 2023 | 22 | 29 |
| 2024 | 15 | 29 |
| 2025 | 14 | 24 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diametric expansion features for prosthetic valves6 Oct 2026US 12,751,820 B2Edwards Lifesciences Corporation
- Transcatheter valve system and method for venous insufficiency29 Sep 2026US 12,746,124 B2enVVeno Medical Corporation
- Self-expandable stent and set of stents25 Aug 2026US 12,714,557 B2P+F Products + Features GmbH
- Prosthetic heart valve11 Aug 2026US 12,702,549 B2Edwards Lifesciences Corporation
- Venous valve prosthesis7 Jul 2026US 12,672,961 B2BIOTRONIK SE & Co. KG
- Systems and methods for endoluminal valve creation8 Oct 2026US 2026/0306131 A1InterVene, Inc.
- Flow restriction devices with covered portions17 Sep 2026US 2026/0272656 A1Edwards 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
- Systems and methods for the treatment of chronic venous disease13 Aug 2026US 2026/0232445 A1Clearstream Technologies Limited
Most cited
By later US patents
- Valve prothesis for implantation in the body and a catheter for implanting such valve prothesis2,468US 5,411,552 A1995
- Artificial heart valve and method and device for implanting the same2,287US 5,855,601 AThe Trustees of Columbia University in the City of New York · 1999
- Endoluminal cardiac and venous valve prostheses and methods of manufacture and delivery thereof2,213US 6,458,153 B1ABPS Venture One, Ltd. · 2002
- System and method for implanting cardiac valves1,909US 5,840,081 A1998
- Valve prosthesis for implantation in the body1,826US 6,168,614 AHeartport, Inc. · 2001