A61L 33/0011
Anticoagulant
Official title: {Anticoagulant, e.g. heparin, platelet aggregation inhibitor, fibrinolytic agent, other than enzymes, attached to the substrate}
A61L33/0011 (Anticoagulant) appears on 550 US grants and 416 published applications in this corpus.
Search patents in A61L- Granted patents
- 550
- Published applications
- 416
- Assignees
- 303
- Inventors
- 1,078
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 16 | 0 |
| 1992 | 16 | 0 |
| 1993 | 13 | 0 |
| 1994 | 18 | 0 |
| 1995 | 17 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 22 | 0 |
| 1999 | 21 | 0 |
| 2000 | 23 | 0 |
| 2001 | 20 | 12 |
| 2002 | 15 | 17 |
| 2003 | 20 | 16 |
| 2004 | 15 | 27 |
| 2005 | 7 | 16 |
| 2006 | 11 | 13 |
| 2007 | 3 | 14 |
| 2008 | 8 | 17 |
| 2009 | 4 | 16 |
| 2010 | 5 | 28 |
| 2011 | 7 | 9 |
| 2012 | 11 | 10 |
| 2013 | 14 | 9 |
| 2014 | 12 | 24 |
| 2015 | 12 | 10 |
| 2016 | 17 | 20 |
| 2017 | 16 | 21 |
| 2018 | 12 | 21 |
| 2019 | 12 | 10 |
| 2020 | 17 | 14 |
| 2021 | 12 | 24 |
| 2022 | 14 | 15 |
| 2023 | 15 | 15 |
| 2024 | 10 | 19 |
| 2025 | 6 | 13 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61L 33/0029Using an intermediate layer of polymer202
- A61L 33/0041Characterised by the choice of an antithrombatic agent other than heparin83
- A61L 33/0017Using a surface active agent44
- A61L 33/0023Using a quaternized group or a protonated amine group of the substrate44
- A61L 33/0035Using a polymer with positively charged atoms in the polymeric backbone18
Recent patents
- Robust nitric oxide-releasing polymers and articles and methods of making and uses thereof1 Sep 2026US 12,721,935 B2University of Georgia Research Foundation, Inc.
- 3D printed UV crosslinking masks7 Jul 2026US 12,673,139 B2University of Maryland, College Park
- Valve material with combined anti-clotting and anti-calcification properties and preparation method31 Mar 2026US 12,589,187 B2Jilin Venus Haoyue Medical Limited
- Anticoagulant compounds and methods and devices for their use13 Jan 2026US 12,521,258 B2Elixir Medical Corporation
- 4% trisodium citrate solution for use as a catheter lock solution21 Oct 2025US 12,447,243 B2Becton, Dickinson and Company
- Heparin-functionalized surface, method for its preparation and use thereof20 Aug 2026US 2026/0241080 A1
- Artificial valved conduits for cardiac reconstructive procedures and methods for their production13 Aug 2026US 2026/0232434 A1Carnegie Mellon University
- A method for providing an improved heparin functionalized surface13 Aug 2026US 2026/0232874 A1
- Outer skirts for prosthetic heart valves and associated methods6 Aug 2026US 2026/0224361 A1Edwards Lifesciences Corporation
- Medical device and method for manufacturing the same21 May 2026US 2026/0137844 A1Terumo Kabushiki Kaisha
Most cited
By later US patents
- Drug release stent coating process951US 5,837,313 ASchneider (USA) Inc. · 1998
- Process for coating stents860US 6,153,252 AEthicon, Inc. · 2000
- Medical devices with long term non-thrombogenic coatings824US 6,120,536 ASchneider (USA) Inc. · 2000
- Drug coating with topcoat787US 6,099,562 ASchneider (USA) Inc. · 2000
- Directional drug delivery stent and method of use678US 6,071,305 AAlza Corporation · 2000