A61L 29/145
Hydrogels or hydrocolloids
Official title: {Hydrogels or hydrocolloids}
A61L29/145 (Hydrogels or hydrocolloids) appears on 230 US grants and 270 published applications in this corpus.
Search patents in A61L- Granted patents
- 230
- Published applications
- 270
- Assignees
- 136
- Inventors
- 426
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 12 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 10 |
| 2002 | 15 | 8 |
| 2003 | 7 | 7 |
| 2004 | 3 | 7 |
| 2005 | 2 | 6 |
| 2006 | 3 | 1 |
| 2007 | 2 | 3 |
| 2008 | 4 | 5 |
| 2009 | 2 | 5 |
| 2010 | 1 | 7 |
| 2011 | 2 | 1 |
| 2012 | 2 | 10 |
| 2013 | 6 | 9 |
| 2014 | 7 | 13 |
| 2015 | 12 | 10 |
| 2016 | 5 | 14 |
| 2017 | 7 | 10 |
| 2018 | 5 | 23 |
| 2019 | 7 | 14 |
| 2020 | 18 | 23 |
| 2021 | 11 | 13 |
| 2022 | 7 | 18 |
| 2023 | 10 | 19 |
| 2024 | 11 | 17 |
| 2025 | 17 | 8 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tissue-plasminogen activator coated catheter with hydrogel-controlled elution8 Sep 2026US 12,728,185 B2Becton, Dickinson and Company
- Urinary catheter4 Aug 2026US 12,697,467 B2C. R. Bard, Inc.
- Synergistic antibacterial activity of medium polarity oils in combination with antibacterial agents on bacterial biofilms31 Mar 2026US 12,588,675 B2Smith & Nephew, Inc.
- Zwitterionic copolymer coatings and related methods20 Jan 2026US 12,528,967 B2University of Washington
- Balloon catheter with hydrogel coating9 Dec 2025US 12,491,293 B2
- Nanogel comprising bioactive molecules, therapeutic molecules or drugs together with an amphiphilic molecule24 Sep 2026US 2026/0284275 A1
- Bacteriophage cocktail-containing hydrogel compositions and methods of production and use thereof17 Sep 2026US 2026/0273143 A1
- Drug eluting nerve guide conduit18 Jun 2026US 2026/0165708 A1New York University in Abu Dhabi Corporation
- Zwitterionic copolymer coatings and related methods30 Apr 2026US 2026/0117086 A1University of Washington
- Mesh cap for ameliorating outpouchings5 Mar 2026US 2026/0060689 A1
Most cited
By later US patents
- Drug delivery system making use of a hydrogel polymer coating1,007US 5,304,121 ABoston Scientific Corporation · 1994
- Systems and methods for forming large lesions in body tissue using curvilinear electrode elements862US 5,582,609 AEP Technologies, Inc. · 1996
- Implantable drug delivery catheter system with capillary interface843US 6,471,689 B1Thomas Jefferson University · 2002
- Systems and methods for controlling tissue ablation using multiple temperature sensing elements704US 5,810,802 AEP Technologies, Inc. · 1998
- Cardiac mapping and ablation systems552US 5,309,910 AEP Technologies, Inc. · 1994