B01D 2011/005
Co-current extraction
Official title: {Co-current extraction}
B01D2011/005 (Co-current extraction) appears on 32 US grants and 24 published applications in this corpus.
Search patents in B01D- Granted patents
- 32
- Published applications
- 24
- Assignees
- 22
- Inventors
- 59
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 4 |
| 2016 | 1 | 4 |
| 2017 | 2 | 3 |
| 2018 | 4 | 0 |
| 2019 | 6 | 3 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid-liquid extraction unit and multistage liquid-liquid extraction apparatus using the same14 Jul 2026US 12,678,710 B2Shin-Etsu Chemical Co., Ltd.
- Extractor apparatus30 Dec 2025US 12,508,521 B1Jot Labs, LLC
- Experimental method for coal desulfurization and deashing using permeation and solvating power of a supercritical fluid27 Sep 2022US 11,453,832 B2China University of Mining and Technology
- Contactor and separation apparatus and process of using same15 Feb 2022US 11,248,175 B2Merichem Company
- Continuous extraction of natural products from plants apparatus and methods20 Apr 2021US 10,981,085 B2
- Liquid-liquid extraction unit and multistage liquid-liquid extraction apparatus using the same29 Sep 2022US 2022/0305404 A1Shin-Etsu Chemical Co., Ltd.
- Phase separator and phase separation system including the same and phase separation method3 Mar 2022US 2022/0062792 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Experimental method for coal desulfurization and deashing using permeation and solvating power of a supercritical fluid27 May 2021US 2021/0155868 A1China University of Mining and Technology
- Contactor and separation apparatus and process of using same18 Feb 2021US 2021/0047572 A1Merichem Company
- Continuous Extraction of Natural Products from Plants Apparatus and Methods16 Jul 2020US 2020/0222830 A1
Most cited
By later US patents
- Removal of acidic organic contaminants from refinery waste water29US 5,705,074 AMerichem Company · 1998
- Apparatus and process for the beneficiation, washing, elutriation and cleaning of particulate solids and recovery of chemical values8US 4,328,094 A1982
- Process for liquid-solid contacting8US 4,604,209 A1986
- Device for washing metal-containing sludges5US 5,460,195 A1995
- Contactor and separation apparatus and process of using same5US 9,656,185 B2Merichem Company · 2017