A61L 2/18
Liquid substances
A61L2/18 (Liquid substances) appears on 3,552 US grants and 4,631 published applications in this corpus.
Search patents in A61L- Granted patents
- 3,552
- Published applications
- 4,631
- Assignees
- 2,018
- Inventors
- 7,983
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 14 | 0 |
| 1987 | 9 | 0 |
| 1988 | 16 | 0 |
| 1989 | 20 | 0 |
| 1990 | 28 | 0 |
| 1991 | 36 | 0 |
| 1992 | 41 | 0 |
| 1993 | 31 | 0 |
| 1994 | 43 | 0 |
| 1995 | 45 | 0 |
| 1996 | 36 | 0 |
| 1997 | 56 | 0 |
| 1998 | 65 | 0 |
| 1999 | 62 | 0 |
| 2000 | 64 | 0 |
| 2001 | 63 | 20 |
| 2002 | 68 | 100 |
| 2003 | 84 | 138 |
| 2004 | 71 | 161 |
| 2005 | 58 | 185 |
| 2006 | 63 | 168 |
| 2007 | 63 | 185 |
| 2008 | 50 | 163 |
| 2009 | 61 | 164 |
| 2010 | 99 | 159 |
| 2011 | 125 | 121 |
| 2012 | 97 | 120 |
| 2013 | 108 | 123 |
| 2014 | 119 | 165 |
| 2015 | 120 | 166 |
| 2016 | 124 | 174 |
| 2017 | 118 | 218 |
| 2018 | 118 | 192 |
| 2019 | 165 | 259 |
| 2020 | 170 | 217 |
| 2021 | 151 | 288 |
| 2022 | 139 | 353 |
| 2023 | 186 | 288 |
| 2024 | 184 | 234 |
| 2025 | 194 | 157 |
| 2026 | 127 | 113 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Antimicrobial compounds based on glucoheptonic acids and their salts29 Sep 2026US 12,746,299 B2Harcros Chemicals Inc.
- Sterilisation of an analyte sensor component29 Sep 2026US 12,746,300 B2SciLogica Corp.
- Enhanced sophorolipid derivatives29 Sep 2026US 12,747,463 B2Locus Solutions Ipco, LLC
- High pressure-processed architectural coating compositions and methods for high pressure-processing of architectural coating compositions22 Sep 2026US 12,741,041 B2Columbia Insurance Company
- Reprocessing a single-use medical device22 Sep 2026US 12,741,045 B2Innovative Health
- Point-of-use system for medical instruments8 Oct 2026US 2026/0306685 A1Bon Secours Mercy Health, Inc.
- Cleaner assembly with attachable ozone dispenser8 Oct 2026US 2026/0306686 A1O3Waterworks, LLC
- Peracid booster compositions and methods of using same8 Oct 2026US 2026/0306687 A1Sterilex, LLC
- Acid/anionic antimicrobial and virucidal compositions and uses thereof1 Oct 2026US 2026/0293891 A1Ecolab USA Inc.
- Disinfection cap1 Oct 2026US 2026/0295105 A1Becton, Dickinson and Company
Most cited
By later US patents
- Needleless hub disinfection device1,091US 7,931,877 B2Sage Products, LLC · 2011
- Apparatus and method for steam reprocessing flexible endoscopes1,054US 6,884,392 B2Minntech Corporation · 2005
- Graft prosthesis materials532US 6,206,931 B1Cook Biotech Incorporated · 2001
- Tissue repair fabric516US 5,733,337 AOrganogenesis, Inc. · 1998
- Mobile work robot system511US 5,959,423 AMinolta Co., Ltd. · 1999