F25J 1/004
By flash gas recovery
Official title: {by flash gas recovery (F25J1/0267 takes precedence)}
F25J1/004 (By flash gas recovery) appears on 401 US grants and 499 published applications in this corpus.
Search patents in F25J- Granted patents
- 401
- Published applications
- 499
- Assignees
- 186
- Inventors
- 795
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 19 | 0 |
| 2001 | 11 | 1 |
| 2002 | 7 | 1 |
| 2003 | 9 | 7 |
| 2004 | 8 | 7 |
| 2005 | 6 | 13 |
| 2006 | 3 | 10 |
| 2007 | 9 | 15 |
| 2008 | 9 | 19 |
| 2009 | 13 | 23 |
| 2010 | 3 | 18 |
| 2011 | 8 | 15 |
| 2012 | 4 | 15 |
| 2013 | 10 | 15 |
| 2014 | 2 | 20 |
| 2015 | 3 | 29 |
| 2016 | 6 | 28 |
| 2017 | 20 | 27 |
| 2018 | 20 | 43 |
| 2019 | 14 | 29 |
| 2020 | 34 | 23 |
| 2021 | 15 | 21 |
| 2022 | 13 | 18 |
| 2023 | 15 | 28 |
| 2024 | 23 | 33 |
| 2025 | 17 | 25 |
| 2026 | 12 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Closed loop LNG process for a feed gas with nitrogen22 Sep 2026US 12,742,589 B2ConocoPhillips Company
- Method and a relative apparatus for producing liquified gases8 Sep 2026US 12,729,906 B2Fpt Industrial S.P.A.
- Hydrogen liquefaction with stored hydrogen refrigeration source9 Jun 2026US 12,650,259 B2Chart Energy & Chemicals, Inc.
- Apparatus and systems for liquefaction of natural gas2 Jun 2026US 12,644,643 B2Steelhead Lng (Aslng) Ltd.
- Standalone high-pressure heavies removal unit for LNG processing26 May 2026US 12,638,236 B2ConocoPhillips Company
- Cryogenic liquefaction system and method27 Aug 2026US 2026/0251386 A1Nearshore Natural Gas, LLC
- Installation and method for producing liquefied hydrogen13 Aug 2026US 2026/0235348 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Boil-off gas reliquefaction system with dual cooling sources13 Aug 2026US 2026/0235350 A1Atlas Copco Energas GmbH
- Apparatus and process for utilization of hydrogen gas output from a trailer13 Aug 2026US 2026/0235351 A1Air Products and Chemicals, Inc.
- Nitrogen management in an lng plant6 Aug 2026US 2026/0227121 A1ConocoPhillips Company
Most cited
By later US patents
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Process for liquefying a natural gas stream containing at least one freezable component123US 5,956,971 AExxon Production Research Company · 1999
- Enhanced NGL recovery utilizing refrigeration and reflux from LNG plants112US 6,401,486 B12002
- LNG production in cryogenic natural gas processing plants108US 5,615,561 AWilliams Field Services Company · 1997
- Multi-component refrigeration process for liquefaction of natural gas100US 5,950,453 AExxon Production Research Company · 1999