F25J 1/0237
Integrating refrigeration provided for liquefaction and purification/treatment of the gas to be
Official title: {integrating refrigeration provided for liquefaction and purification/treatment of the gas to be liquefied, e.g. heavy hydrocarbon removal from natural gas (details related to rectification F25J3/02; details related to partial condensation F25J3/06; working-up natural gas C10L3/10)}
F25J1/0237 (Integrating refrigeration provided for liquefaction and purification/treatment of the gas to be) appears on 139 US grants and 192 published applications in this corpus.
Search patents in F25J- Granted patents
- 139
- Published applications
- 192
- Assignees
- 79
- Inventors
- 296
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 0 |
| 2003 | 2 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 4 | 5 |
| 2008 | 1 | 5 |
| 2009 | 2 | 8 |
| 2010 | 0 | 8 |
| 2011 | 0 | 6 |
| 2012 | 0 | 5 |
| 2013 | 1 | 7 |
| 2014 | 1 | 7 |
| 2015 | 4 | 6 |
| 2016 | 3 | 9 |
| 2017 | 7 | 18 |
| 2018 | 6 | 12 |
| 2019 | 6 | 25 |
| 2020 | 10 | 12 |
| 2021 | 4 | 12 |
| 2022 | 17 | 7 |
| 2023 | 13 | 14 |
| 2024 | 11 | 10 |
| 2025 | 3 | 3 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for removing natural gas liquids from rich gas1 Sep 2026US 12,723,806 B2
- Method and system for producing a liquefied natural gas product18 Aug 2026US 12,710,225 B2Linde Aktiengesellschaft
- Apparatus for precooling hydrogen for liquefaction using external liquid nitrogen and high pressure gaseous nitrogen24 Mar 2026US 12,584,686 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Integrated multi-functional pipeline system for delivery of chilled mixtures of natural gas and chilled mixtures of natural gas and NGLS20 Jan 2026US 12,529,516 B2JL Energy Transportation Inc.
- Method for producing liquefied natural gas from natural gas, and corresponding plant13 Jan 2026US 12,523,421 B2Technip Energies France
- Nitrogen management in an lng plant6 Aug 2026US 2026/0227121 A1ConocoPhillips Company
- Nitrogen Rejection Unit with Mixed Refrigerant Cooling System and Method28 May 2026US 2026/0146785 A1
- Systems and methods for removing nitrogen during liquefaction of natural gas5 Feb 2026US 2026/0036367 A1ConocoPhillips Company
- Gas liquefaction system with multiple refrigerant cycles30 Oct 2025US 2025/0334330 A1Nuovo Pignone Tecnologie Srl
- Open loop liquefaction process with ngl recovery26 Jun 2025US 2025/0207852 A1Honeywell Lng LLC
Most cited
By later US patents
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- 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
- Integrated high pressure NGL recovery in the production of liquefied natural gas94US 6,662,589 B1Air Products and Chemicals, Inc. · 2003
- Natural gas liquefaction with improved nitrogen removal79US 6,631,626 B1ConocoPhillips Company · 2003