C02F 1/445
By forward osmosis
Official title: {by forward osmosis}
C02F1/445 (By forward osmosis) appears on 311 US grants and 526 published applications in this corpus.
Search patents in C02F- Granted patents
- 311
- Published applications
- 526
- Assignees
- 260
- Inventors
- 923
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 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 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 6 |
| 2010 | 1 | 10 |
| 2011 | 14 | 19 |
| 2012 | 6 | 26 |
| 2013 | 8 | 39 |
| 2014 | 10 | 40 |
| 2015 | 13 | 27 |
| 2016 | 27 | 39 |
| 2017 | 24 | 33 |
| 2018 | 20 | 44 |
| 2019 | 35 | 33 |
| 2020 | 24 | 31 |
| 2021 | 26 | 33 |
| 2022 | 16 | 30 |
| 2023 | 27 | 28 |
| 2024 | 18 | 29 |
| 2025 | 20 | 36 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- System for removing a contaminant from wastewater from an industrial plant and the industrial plant including the same25 Aug 2026US 12,715,793 B2Yara International Asa
- Method for converting osmotic energy into hydraulic energy and for desalination14 Jul 2026US 12,678,737 B2Centre National De La Recherche Scientifique
- Methods of PFAS destruction using UV irradiation at 222 nanometers16 Jun 2026US 12,655,051 B2Claros Technologies Inc.
- Systems and methods of draw solution recovery with energy saving evaporation supporting forward osmosis membrane crystallization17 Sep 2026US 2026/0274715 A1Fluid Technology Solutions (Fts), Inc.
- Method for Organic-Solvent Removal27 Aug 2026US 2026/0249247 A1Asahi Kasei Kabushiki Kaisha
- Energy-free and spontaneous reverse osmosis device6 Aug 2026US 2026/0225921 A1Xi'an Xishizun Electromechanical Technology Co., Ltd
- Ultrafast water flux through hot-pressed solution blown spun nanofiber-based thin film composite membranes for forward osmosis23 Jul 2026US 2026/0208117 A1Qatar University
- Hydrogel materials16 Jul 2026US 2026/0198409 A1Khalifa University of Science and Technology
Most cited
By later US patents
- Osmotic desalinization process79US 6,391,205 B12002
- Reverse osmosis membranes78US 8,177,978 B2Nanoh20 Inc. · 2012
- Utility scale osmotic grid storage70US 8,795,525 B2Oasys Water, Inc. · 2014
- Combined membrane-distillation-forward-osmosis systems and methods of use53US 8,029,671 B2Board of Regents of the Nevada System of Higher Education, on behalf of the University of Nevada, Reno · 2011
- Method and apparatus for processing liquid solutions of suspensions particularly useful in the desalination of saline water45US 5,098,575 A1992