A61L 31/14
Materials characterised by their function or physical properties
Official title: Materials characterised by their function or physical properties {, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials}
A61L31/14 (Materials characterised by their function or physical properties) appears on 7,191 US grants and 11,333 published applications in this corpus.
Search patents in A61L- Granted patents
- 7,191
- Published applications
- 11,333
- Assignees
- 3,129
- Inventors
- 14,069
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 21 | 0 |
| 1991 | 28 | 0 |
| 1992 | 28 | 0 |
| 1993 | 22 | 0 |
| 1994 | 41 | 0 |
| 1995 | 39 | 0 |
| 1996 | 48 | 0 |
| 1997 | 84 | 0 |
| 1998 | 101 | 0 |
| 1999 | 90 | 0 |
| 2000 | 85 | 0 |
| 2001 | 118 | 53 |
| 2002 | 122 | 215 |
| 2003 | 146 | 292 |
| 2004 | 105 | 393 |
| 2005 | 100 | 558 |
| 2006 | 107 | 437 |
| 2007 | 120 | 536 |
| 2008 | 120 | 558 |
| 2009 | 115 | 518 |
| 2010 | 208 | 520 |
| 2011 | 299 | 492 |
| 2012 | 314 | 445 |
| 2013 | 350 | 496 |
| 2014 | 445 | 619 |
| 2015 | 432 | 608 |
| 2016 | 407 | 562 |
| 2017 | 443 | 508 |
| 2018 | 349 | 480 |
| 2019 | 378 | 498 |
| 2020 | 358 | 496 |
| 2021 | 347 | 420 |
| 2022 | 230 | 430 |
| 2023 | 266 | 334 |
| 2024 | 254 | 381 |
| 2025 | 281 | 295 |
| 2026 | 141 | 189 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rod for spinal fixation implement and spinal fixation implement provided with same6 Oct 2026US 12,751,741 B2Globeride, Inc.
- Polymeric patch scaffolds for articular cartilage regeneration6 Oct 2026US 12,752,041 B2University of Southern California
- Bioresorbable cardiovascular instruments, and operation and fabrication methods of same29 Sep 2026US 12,746,397 B2Northwestern University
- Cover device for a surgical site, cartridge for a surgical stapler, and related surgical methods22 Sep 2026US 12,740,785 B2Evergreen Surgical Solutions, LLC
- Generating endothelial cell-seeded vascular grafts22 Sep 2026US 12,741,060 B2Wisconsin Alumni Research Foundation
- Prosthetic Surgical Sling8 Oct 2026US 2026/0306237 A1
- Slippery organogels and methods for making and using the same8 Oct 2026US 2026/0306720 A1University of Georgia Research Foundation, Inc.
- Soluble biomolecular glass and use thereof8 Oct 2026US 2026/0306721 A1Institute of Process Engineering, Chinese Academy of Sciences
- Antimicrobial and/or radiopaque bulking agents8 Oct 2026US 2026/0306722 A1Boston Scientific Scimed, Inc.
- Degradable magnesium tenting device for faster surgeries and improved outcomes in vertical ridge augmentation1 Oct 2026US 2026/0294591 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
Most cited
By later US patents
- Medical devices incorporating sim alloy elements2,338US 4,665,906 ARaychem Corporation · 1987
- 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
- In situ polymerizable hydrogels2,015US 6,818,018 B1Incept, LLC · 2004