C02F 1/265
Desalination
Official title: {Desalination}
C02F1/265 (Desalination) appears on 129 US grants and 178 published applications in this corpus.
Search patents in C02F- Granted patents
- 129
- Published applications
- 178
- Assignees
- 89
- Inventors
- 406
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 2 |
| 2004 | 5 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 4 |
| 2013 | 2 | 2 |
| 2014 | 1 | 6 |
| 2015 | 1 | 2 |
| 2016 | 3 | 3 |
| 2017 | 3 | 6 |
| 2018 | 4 | 10 |
| 2019 | 7 | 12 |
| 2020 | 6 | 10 |
| 2021 | 12 | 20 |
| 2022 | 7 | 10 |
| 2023 | 11 | 23 |
| 2024 | 18 | 25 |
| 2025 | 13 | 21 |
| 2026 | 14 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for water processing29 Sep 2026US 12,746,520 B2
- Systems and methods for desalination of liquids22 Sep 2026US 12,741,888 B2Acquolina Il Mondo, LLC
- Osmotic methods and systems involving energy recovery1 Sep 2026US 12,722,989 B2Gradiant Corporation
- Wave-actuated system, wave energy converter subsystem, and method for operating a reverse-osmosis desalination subsystem14 Jul 2026US 12,678,738 B2Oneka Technologies
- Device and system for water desalinization30 Jun 2026US 12,668,510 B2
- Device and system for water desalinization1 Oct 2026US 2026/0296926 A1
- System for resource recovery and zero liquid discharge treatment of wastewater generated during a precursor manufacturing process for a cathode active material of secondary battery10 Sep 2026US 2026/0265105 A1Bkt Co., Ltd.
- Electrochemcial treatment of saline wastewater with captured co2 to produce saline free water13 Aug 2026US 2026/0234034 A1Saudi Arabian Oil Company
- Water treatment and desalination9 Apr 2026US 2026/0097972 A9Sylvan Source, Inc.
- System for desalinating water with vacuum membrane distillation19 Mar 2026US 2026/0078027 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Method for the extraction of water from macromolecular solutions82US 4,828,710 AMitsui Toatsu Chemicals, Inc. · 1989
- Hydrogel containing envelopes71US 5,147,646 ANational Research Development Corporation · 1992
- Desalination and concomitant carbon dioxide capture yielding liquid carbon dioxide55US 6,475,460 B1Marine Desalination Systems, L.L.C. · 2002
- Wet combustion process42US 4,017,421 A1977
- Clathrate freeze desalination apparatus and method35US 5,553,456 ARamco, Inc. · 1996