B01D 61/005
Osmotic agents
Official title: {Osmotic agents; Draw solutions}
B01D61/005 (Osmotic agents) appears on 127 US grants and 215 published applications in this corpus.
Search patents in B01D- Granted patents
- 127
- Published applications
- 215
- Assignees
- 126
- Inventors
- 391
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 7 |
| 2011 | 3 | 4 |
| 2012 | 0 | 9 |
| 2013 | 1 | 11 |
| 2014 | 6 | 8 |
| 2015 | 2 | 13 |
| 2016 | 11 | 15 |
| 2017 | 8 | 10 |
| 2018 | 12 | 21 |
| 2019 | 7 | 10 |
| 2020 | 10 | 18 |
| 2021 | 7 | 16 |
| 2022 | 11 | 18 |
| 2023 | 10 | 14 |
| 2024 | 5 | 13 |
| 2025 | 14 | 9 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of dewatering of alcoholic solutions via forward osmosis and related systems6 Oct 2026US 12,752,239 B2Porifera, Inc.
- Feedstock solution flow concentration system29 Sep 2026US 12,746,511 B2Asahi Kasei Kabushiki Kaisha
- Separation of alcohol using a membrane15 Sep 2026US 12,734,482 B2Altr Fltr Inc.
- System for reverse osmosis and for pressure retarded osmosis8 Sep 2026US 12,728,391 B2Danfoss A/S
- Apparatus and method for liquid treatment by forward osmosis1 Sep 2026US 12,722,119 B2Waterwhelm Ltd
- Draw solute, draw solution, and water treatment method17 Sep 2026US 2026/0273468 A1Nippon Shokubai Co., Ltd.
- Raw Material Liquid Flow Concentration System and Raw Material Liquid Flow Concentration Method17 Sep 2026US 2026/0273469 A1Asahi Kasei Kabushiki Kaisha
- Raw Material Liquid Flow Dehydration System and Raw Material Liquid Flow Dehydration Method10 Sep 2026US 2026/0264019 A1Asahi Kasei Kabushiki Kaisha
- Alkali hydroxide production from alkali sulfate with halogen or carboxylic acid intermediates13 Aug 2026US 2026/0234812 A1Innovator Energy, LLC
- Energy-free and spontaneous reverse osmosis device6 Aug 2026US 2026/0225921 A1Xi'an Xishizun Electromechanical Technology Co., Ltd
Most cited
By later US patents
- Liquid transport member for high flux rates between two port regions357US 6,811,842 B1The Procter & Gamble Company · 2004
- Membranes for absorbent packets341US 5,108,383 AAllied-Signal Inc. · 1992
- Utility scale osmotic grid storage70US 8,795,525 B2Oasys Water, Inc. · 2014
- Osmotic desalination process36US 7,560,029 B2Yale University · 2009
- Water flooding method33US 7,455,109 B2BP Exploration Operating Company Limited · 2008