G01N 2001/4061
Solvent extraction
Official title: {Solvent extraction}
G01N2001/4061 (Solvent extraction) appears on 320 US grants and 370 published applications in this corpus.
Search patents in G01N- Granted patents
- 320
- Published applications
- 370
- Assignees
- 252
- Inventors
- 904
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 2 |
| 2002 | 1 | 9 |
| 2003 | 1 | 1 |
| 2004 | 3 | 8 |
| 2005 | 2 | 9 |
| 2006 | 1 | 5 |
| 2007 | 0 | 6 |
| 2008 | 6 | 2 |
| 2009 | 1 | 5 |
| 2010 | 1 | 4 |
| 2011 | 0 | 11 |
| 2012 | 3 | 10 |
| 2013 | 8 | 13 |
| 2014 | 8 | 14 |
| 2015 | 6 | 11 |
| 2016 | 13 | 17 |
| 2017 | 8 | 22 |
| 2018 | 10 | 20 |
| 2019 | 21 | 33 |
| 2020 | 23 | 31 |
| 2021 | 22 | 41 |
| 2022 | 16 | 24 |
| 2023 | 27 | 22 |
| 2024 | 34 | 29 |
| 2025 | 14 | 17 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Isolation and analysis of terpenes6 Oct 2026US 12,754,110 B2Orange Photonics, Inc.
- Robot system and method for monitoring farmland nitrogen leaching22 Sep 2026US 12,742,767 B2Agricultural Information Institute of CAAS
- Method of extracting precipitates and/or inclusions, method of quantitatively analyzing precipitates and/or inclusions, and electrolyte31 Mar 2026US 12,590,377 B2Jfe Steel Corporation
- Measuring method and device for trace and ultra-trace oil content13 Jan 2026US 12,523,583 B2Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences
- Blood-based assay for diagnosing and treating based on site-specific tau phosphorylation9 Dec 2025US 12,493,043 B2Washington University
- Method for detecting polyhexamethylene biguanide hydrochloride in textiles14 May 2026US 2026/0133168 A1Shenzhen Customs Industrial Products Testing Technology Center
- Rapid passive sampling kit for measuring dissolved hydrophobic chemicals in sediment porewater23 Apr 2026US 2026/0110605 A1Texas Tech University System
- Method for detecting trace metal anomalies for geochemical exploration of hydrocarbon from oil resources19 Mar 2026US 2026/0079148 A1Aramco Innovations LLC
- Porous coordination network, method for preparing sample for crystal structure analysis, and method for determining molecular structure19 Mar 2026US 2026/0079149 A1Institute of Science Tokyo
- Method for diamondoid isolation from petroleum and rocks11 Dec 2025US 2025/0377273 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Method and apparatus for determination of analyte concentration307US 5,954,954 ASuprex Corporation · 1999
- Split focusing cytometer142US 6,674,525 B2Micronics, Inc. · 2004
- Method of hormone extraction using digital microfluidics99US 8,202,736 B2The Governing Council of the University of Toronto · 2012
- Accelerated solvent extraction method76US 5,843,311 ADionex Corporation · 1998
- Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography73US 5,601,707 AIsco, Inc. · 1997