A61L 31/04
Macromolecular materials
A61L31/04 (Macromolecular materials) appears on 4,178 US grants and 5,365 published applications in this corpus.
Search patents in A61L- Granted patents
- 4,178
- Published applications
- 5,365
- Assignees
- 1,940
- Inventors
- 8,448
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 16 | 0 |
| 1986 | 6 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 19 | 0 |
| 1990 | 26 | 0 |
| 1991 | 28 | 0 |
| 1992 | 37 | 0 |
| 1993 | 39 | 0 |
| 1994 | 53 | 0 |
| 1995 | 49 | 0 |
| 1996 | 60 | 0 |
| 1997 | 91 | 0 |
| 1998 | 89 | 0 |
| 1999 | 94 | 0 |
| 2000 | 97 | 0 |
| 2001 | 83 | 39 |
| 2002 | 78 | 113 |
| 2003 | 96 | 123 |
| 2004 | 59 | 133 |
| 2005 | 46 | 131 |
| 2006 | 54 | 136 |
| 2007 | 56 | 161 |
| 2008 | 38 | 176 |
| 2009 | 45 | 180 |
| 2010 | 89 | 194 |
| 2011 | 97 | 185 |
| 2012 | 124 | 210 |
| 2013 | 160 | 233 |
| 2014 | 181 | 324 |
| 2015 | 215 | 340 |
| 2016 | 227 | 335 |
| 2017 | 242 | 282 |
| 2018 | 203 | 293 |
| 2019 | 208 | 313 |
| 2020 | 217 | 264 |
| 2021 | 217 | 255 |
| 2022 | 141 | 235 |
| 2023 | 159 | 196 |
| 2024 | 157 | 232 |
| 2025 | 160 | 159 |
| 2026 | 80 | 123 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water-based hydrogel blend coating and method of application to elastomeric articles22 Sep 2026US 12,741,065 B2Allegiance Corporation
- Absorbable intravascular stents having a therapeutic drug within the scaffold15 Sep 2026US 12,734,053 B2Efemoral Medical, Inc.
- Radiopaque polymers with enhanced radiopacity15 Sep 2026US 12,734,255 B2Embolization, Inc.
- Bioabsorbable medical material15 Sep 2026US 12,734,279 B2Kureha Corporation
- Tissue-mimicking hydrogel material8 Sep 2026US 12,728,184 B2University of Washington
- Prosthetic Surgical Sling8 Oct 2026US 2026/0306237 A1
- Antimicrobial and/or radiopaque bulking agents8 Oct 2026US 2026/0306722 A1Boston Scientific Scimed, Inc.
- Composite, method for manufacturing same, and filler composition for molding, using same1 Oct 2026US 2026/0295126 A1Vaim Co., Ltd.
- Soft and stretchable microelectrodes with tunable anisotropic properties1 Oct 2026US 2026/0295128 A1The Research Foundation for The State University of New York
- Self-assembling peptide hydrogels for treatment of fistulas1 Oct 2026US 2026/0295129 A1Gel4Med, Inc.
Most cited
By later US patents
- Surgical bettress and surgical stapling apparatus2,317US 6,273,897 B1Ethicon, Inc. · 2001
- Surgical staple2,306US 4,719,917 AMinnesota Mining and Manufacturing Company · 1988
- Surgical fastener and means for applying same2,134US 4,402,445 AUnited States Surgical Corporation · 1983
- Absorbable surgical repair devices1,935US 5,342,395 AAmerican Cyanamid Company · 1994
- Plastic surgical staple1,925US 4,317,451 AEthicon, Inc. · 1982