B01D 11/0242
In towers
Official title: {in towers, e.g. comprising contacting elements}
B01D11/0242 (In towers) appears on 65 US grants and 42 published applications in this corpus.
Search patents in B01D- Granted patents
- 65
- Published applications
- 42
- Assignees
- 54
- Inventors
- 131
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 4 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 2 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 4 | 2 |
| 2020 | 2 | 5 |
| 2021 | 3 | 3 |
| 2022 | 3 | 4 |
| 2023 | 1 | 2 |
| 2024 | 4 | 0 |
| 2025 | 3 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Extractor apparatus30 Dec 2025US 12,508,521 B1Jot Labs, LLC
- Injector for injecting fluid into porous media26 Aug 2025US 12,398,340 B2Crown Iron Works Company
- Device and method for the extraction of one or more components, in particular cannabinoids such as tetrahydrocannabinol from a mixture of substances22 Jul 2025US 12,364,934 B2Bg Braingate Technology GmbH
- Device and method for the continuous high-pressure treatment of bulk material and use thereof19 Nov 2024US 12,145,080 B2thyssenkrupp AG
- Extraction technique for recovering an organic solvent from a polyarylene sulfide waste sludge25 Jun 2024US 12,018,129 B2Ticona LLC
- Apparatus and method for treating a flow of a substance to be treated by means of a counterflow of an extracting substance9 Jul 2026US 2026/0192214 A1Bob Service Srl
- Apparatus and processes for solvent extraction of coal26 Feb 2026US 2026/0054196 A1
- Device and method for the extraction of one or more components, in particular cannabinoids such as tetrahydrocannabinol from a mixture of substances23 Jan 2025US 2025/0025809 A1Bg Braingate Technology GmbH
- Extraction Technique for Recovering an Organic Solvent from a Polyarylene Sulfide Waste Sludge9 Mar 2023US 2023/0073136 A1Ticona LLC
- Injector for injecting fluid into porous media9 Feb 2023US 2023/0042064 A1Crown Iron Works Company
Most cited
By later US patents
- Processes and apparatus for extraction of active substances and enriched extracts from natural products88US 7,622,140 B2GW Pharma Limited · 2009
- Method for recovering oil from an oil-bearing solid material52US 5,998,640 A1999
- Apparatus for distribution separation processes48US 4,208,284 A1980
- Processes and apparatus for extraction of active substances and enriched extracts from natural products42US 9,034,395 B2GW Pharma Limited · 2015
- Solvent extraction process41US 4,189,376 AChevron Research Company · 1980