B01D 61/362
Pervaporation
Official title: {Pervaporation}
B01D61/362 (Pervaporation) appears on 528 US grants and 492 published applications in this corpus.
Search patents in B01D- Granted patents
- 528
- Published applications
- 492
- Assignees
- 330
- Inventors
- 1,289
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 13 | 0 |
| 1989 | 13 | 0 |
| 1990 | 28 | 0 |
| 1991 | 30 | 0 |
| 1992 | 24 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 1 |
| 2002 | 7 | 8 |
| 2003 | 8 | 13 |
| 2004 | 7 | 14 |
| 2005 | 3 | 13 |
| 2006 | 8 | 17 |
| 2007 | 5 | 16 |
| 2008 | 11 | 30 |
| 2009 | 8 | 18 |
| 2010 | 16 | 35 |
| 2011 | 13 | 17 |
| 2012 | 19 | 23 |
| 2013 | 23 | 23 |
| 2014 | 16 | 21 |
| 2015 | 17 | 28 |
| 2016 | 19 | 21 |
| 2017 | 14 | 20 |
| 2018 | 15 | 20 |
| 2019 | 22 | 25 |
| 2020 | 21 | 26 |
| 2021 | 20 | 18 |
| 2022 | 9 | 21 |
| 2023 | 15 | 21 |
| 2024 | 12 | 13 |
| 2025 | 13 | 15 |
| 2026 | 2 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for reclaiming solvent2 Jun 2026US 12,643,071 B2Donaldson Company, Inc.
- Spiral membrane element and membrane separation system17 Mar 2026US 12,576,365 B2Nitto Denko Corporation
- Systems and methods for removing or reducing water in mixtures that include t-butyl hydroperoxide7 Oct 2025US 12,435,052 B2Lyondell Chemical Technology, L,P.
- Start-up procedure for rapid attainment of optimal steady-state performance in membrane separation9 Sep 2025US 12,409,417 B2Sabic Global Technologies B.V.
- Removing components of alcoholic solutions via forward osmosis and related systems19 Aug 2025US 12,390,767 B2Porifera, Inc.
- Acid gas removal apparatus and acid gas removal method24 Sep 2026US 2026/0284580 A1Kabushiki Kaisha Toshiba
- Method of regenerating organic solvent, organic solvent regenerator, and substrate processing system27 Aug 2026US 2026/0249246 A1SCREEN Holdings Co., Ltd.
- Organic solvent regenerator, substrate processing system, and method of regenerating organic solvent27 Aug 2026US 2026/0250222 A1SCREEN Holdings Co., Ltd.
- Carbon dioxide capture system using a liquid desiccant, and methods thereof6 Aug 2026US 2026/0225026 A1
- Zwitterion anti-scaling membrane coatings9 Jul 2026US 2026/0192259 A1Arizona Board of Regents on behalf of Arizona State University
Most cited
By later US patents
- Ethanol recovery process117US 7,732,173 B2Membrane Technology and Research, Inc. · 2010
- Microporous membranes and uses thereof103US 6,258,276 B1McMaster University · 2001
- Composite membranes, processes for their preparation and their use95US 4,968,430 ABayer Aktiengesellschaft · 1990
- Fluorinated polyolefin membranes for aromatics/saturates separation85US 5,396,019 AExxon Research & Engineering Co. · 1995
- Process for washing semiconductor substrate with organic solvent82US 4,788,043 ATokuyama Soda Kabushiki Kaisha · 1988