B01D 11/02
Solvent extraction: of solids
Official title: of solids
B01D11/02 (Solvent extraction: of solids) appears on 2,038 US grants and 2,174 published applications in this corpus.
Search patents in B01D- Granted patents
- 2,038
- Published applications
- 2,174
- Assignees
- 1,514
- Inventors
- 4,965
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 22 | 0 |
| 1978 | 12 | 0 |
| 1979 | 12 | 0 |
| 1980 | 16 | 0 |
| 1981 | 39 | 0 |
| 1982 | 36 | 0 |
| 1983 | 32 | 0 |
| 1984 | 25 | 0 |
| 1985 | 26 | 0 |
| 1986 | 18 | 0 |
| 1987 | 24 | 0 |
| 1988 | 20 | 0 |
| 1989 | 23 | 0 |
| 1990 | 29 | 0 |
| 1991 | 27 | 0 |
| 1992 | 32 | 0 |
| 1993 | 36 | 0 |
| 1994 | 26 | 0 |
| 1995 | 23 | 0 |
| 1996 | 21 | 0 |
| 1997 | 23 | 0 |
| 1998 | 32 | 0 |
| 1999 | 25 | 0 |
| 2000 | 17 | 0 |
| 2001 | 22 | 4 |
| 2002 | 14 | 19 |
| 2003 | 14 | 22 |
| 2004 | 8 | 29 |
| 2005 | 14 | 28 |
| 2006 | 16 | 33 |
| 2007 | 14 | 38 |
| 2008 | 13 | 26 |
| 2009 | 14 | 32 |
| 2010 | 17 | 44 |
| 2011 | 26 | 31 |
| 2012 | 26 | 32 |
| 2013 | 23 | 63 |
| 2014 | 34 | 52 |
| 2015 | 46 | 85 |
| 2016 | 55 | 81 |
| 2017 | 74 | 102 |
| 2018 | 71 | 143 |
| 2019 | 132 | 183 |
| 2020 | 146 | 193 |
| 2021 | 142 | 221 |
| 2022 | 109 | 200 |
| 2023 | 130 | 144 |
| 2024 | 105 | 145 |
| 2025 | 99 | 137 |
| 2026 | 56 | 87 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 11/0288Applications, solvents837
- B01D 11/0215Solid material in other stationary receptacles730
- B01D 11/0203With a supercritical fluid598
- B01D 11/028Flow sheets551
- B01D 11/0292Treatment of the solvent401
- B01D 11/0207Control systems207
- B01D 11/0261Comprising vibrating mechanisms141
- B01D 11/0269Solid material in other moving receptacles108
All 9 subgroupsShow fewer
Recent patents
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- Recovering fluoropolymer from three-dimensional printed objects8 Sep 2026US 12,729,280 B2Peridot Print LLC
- Production method8 Oct 2026US 2026/0306577 A1AG IP Company Pty Ltd
- Indoleacetic acid-enriched algae extract24 Sep 2026US 2026/0283162 A1
- Reducing surface and bulk contamination in plastic24 Sep 2026US 2026/0284550 A1The Procter & Gamble Company
- Phytofunctional compositions24 Sep 2026US 2026/0287561 A1
- Top-mounted ultrasonic extraction device17 Sep 2026US 2026/0272208 A1
Most cited
By later US patents
- Method and apparatus for determination of analyte concentration307US 5,954,954 ASuprex Corporation · 1999
- Acoustic concentration of particles in fluid flow186US 7,837,040 B2Los Alamos National Security, LLC · 2010
- Precision cleaning system136US 5,377,705 AAutoclave Engineers, Inc. · 1995
- Method of cleaning workpiece with solvent and then with liquid carbon dioxide124US 5,417,768 AAutoclave Engineers, Inc. · 1995
- Process for the extraction of nicotine from tobacco121US 4,153,063 AStudiengesellschaft Kohle mbH · 1979