F25J 2220/68
Separating water or hydrates
F25J2220/68 (Separating water or hydrates) appears on 129 US grants and 185 published applications in this corpus.
Search patents in F25J- Granted patents
- 129
- Published applications
- 185
- Assignees
- 71
- Inventors
- 295
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 5 |
| 2005 | 2 | 0 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 6 |
| 2011 | 0 | 4 |
| 2012 | 1 | 8 |
| 2013 | 3 | 11 |
| 2014 | 2 | 7 |
| 2015 | 1 | 6 |
| 2016 | 3 | 3 |
| 2017 | 9 | 36 |
| 2018 | 9 | 16 |
| 2019 | 15 | 27 |
| 2020 | 8 | 18 |
| 2021 | 21 | 4 |
| 2022 | 18 | 6 |
| 2023 | 4 | 3 |
| 2024 | 3 | 4 |
| 2025 | 2 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for efficient natural gas pretreatment13 Jan 2026US 12,523,422 B2CNX Resources Corporation
- Carbon dioxide recycle stream processing with ethylene glycol dehydrating in an enhanced oil recovery process18 Nov 2025US 12,474,115 B2Pilot Intellectual Property, LLC
- System for transferring condensate18 Feb 2025US 12,228,333 B2Saudi Arabian Oil Company
- System and method for treating associated gas2 Jul 2024US 12,025,373 B2
- Method to recover and process methane and condensates from flare gas systems2 Apr 2024US 11,946,355 B21304338 Alberta Ltd.
- Process for dehydration of a gas stream prior to cryogenic co2 fractionation7 May 2026US 2026/0126246 A1Uop LLC
- Methods and systems for natural gas purification integrated with gas compression16 Apr 2026US 2026/0104199 A1Valence Natural Gas Solutions LLC
- Natural gas liquids recovery plant management systems and methods25 Dec 2025US 2025/0389480 A1Saudi Arabian Oil Company
- Gas liquefaction system with multiple refrigerant cycles30 Oct 2025US 2025/0334330 A1Nuovo Pignone Tecnologie Srl
- Method and device for conditioning biogas in compact form5 Jun 2025US 2025/0180284 A1Engie
Most cited
By later US patents
- Apparatus for the liquefaction of natural gas and methods relating to same62US 7,219,512 B1Battelle Energy Alliance, LLC · 2007
- Apparatus for the liquefaction of natural gas and methods relating to same45US 6,962,061 B2Battelle Energy Alliance, LLC · 2005
- Apparatus for the liquefaction of natural gas and methods related to same44US 6,581,409 B2Bechtel BWXT Idaho, LLC · 2003
- Removing contaminants from natural gas38US 7,152,431 B2Shell Oil Company · 2006
- Process for liquefying methane37US 4,445,916 A1984