B01D 61/364
Membrane distillation
Official title: {Membrane distillation}
B01D61/364 (Membrane distillation) appears on 307 US grants and 425 published applications in this corpus.
Search patents in B01D- Granted patents
- 307
- Published applications
- 425
- Assignees
- 232
- Inventors
- 880
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 3 |
| 2005 | 0 | 4 |
| 2006 | 2 | 9 |
| 2007 | 1 | 2 |
| 2008 | 3 | 4 |
| 2009 | 6 | 5 |
| 2010 | 3 | 15 |
| 2011 | 7 | 17 |
| 2012 | 9 | 15 |
| 2013 | 8 | 13 |
| 2014 | 4 | 10 |
| 2015 | 7 | 22 |
| 2016 | 15 | 28 |
| 2017 | 13 | 34 |
| 2018 | 16 | 18 |
| 2019 | 25 | 24 |
| 2020 | 19 | 27 |
| 2021 | 17 | 32 |
| 2022 | 23 | 28 |
| 2023 | 20 | 23 |
| 2024 | 14 | 28 |
| 2025 | 31 | 40 |
| 2026 | 13 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Feedstock solution flow concentration system29 Sep 2026US 12,746,511 B2Asahi Kasei Kabushiki Kaisha
- Resonant thermal oscillator to improve output of a thermo-fluidic system22 Sep 2026US 12,741,232 B2William Marsh Rice University
- Systems and methods for harnessing thermal gradient energy18 Aug 2026US 12,712,192 B2
- Water purification and method for purifying water14 Apr 2026US 12,600,647 B2
- Membrane wastewater treatment system and method thereof7 Apr 2026US 12,595,193 B2Memsift Innovations Pte. Ltd.
- Salt-rejecting continuous passive solar thermal desalination via thin-film condensation8 Oct 2026US 2026/0307012 A1The Regents of the University of California
- Process and system for dehydrating a product stream in ethanol production10 Sep 2026US 2026/0263961 A1Whitefox Technologies Limited
- Device and method for purifying a fluid in the liquid phase10 Sep 2026US 2026/0264020 A1
- Method of regenerating organic solvent, organic solvent regenerator, and substrate processing system27 Aug 2026US 2026/0249246 A1SCREEN Holdings Co., Ltd.
- Method for Organic-Solvent Removal27 Aug 2026US 2026/0249247 A1Asahi Kasei Kabushiki Kaisha
Most cited
By later US patents
- Methods to de-sulfate saline streams107US 7,789,159 B12010
- Desalination device and process95US 4,545,862 AW. L. Gore & Associates, Inc. · 1985
- Method for the purification of a liquid by membrane distillation, in particular for the production of desalinated water from seawater or brackish water or process water95US 6,716,355 B1Nederlands Organisatie voor Toegepast-Natuurwetenshappelijk Onderzoek TNO · 2004
- Separation process using pervaporation and dephlegmation80US 6,755,975 B2Membrane Technology and Research, Inc. · 2004
- Process for producing ultra-pure water and process for using said ultra-pure water74US 4,879,041 AHitachi, Ltd. · 1989