F25J 3/0615
Liquefied natural gas
Official title: {Liquefied natural gas}
F25J3/0615 (Liquefied natural gas) appears on 25 US grants and 31 published applications in this corpus.
Search patents in F25J- Granted patents
- 25
- Published applications
- 31
- Assignees
- 26
- Inventors
- 70
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 3 | 3 |
| 2019 | 1 | 0 |
| 2020 | 3 | 5 |
| 2021 | 1 | 3 |
| 2022 | 3 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Removing heavy hydrocarbons to prevent defrost shutdowns in LNG plants31 Mar 2026US 12,590,759 B2Cheniere Energy, Inc.
- Systems and methods for removing nitrogen during liquefaction of natural gas28 Oct 2025US 12,455,114 B2ConocoPhillips Company
- Component separations2 Sep 2025US 12,405,055 B2Sustainable Energy Solutions, LLC
- Liquid component separations26 Nov 2024US 12,152,835 B2Sustainable Energy Solutions, LLC
- Removing heavy hydrocarbons to prevent defrost shutdowns in LNG plants7 Nov 2023US 11,808,517 B2Cheniere Energy, Inc.
- Systems and methods for removing nitrogen during liquefaction of natural gas5 Feb 2026US 2026/0036367 A1ConocoPhillips Company
- Method for frosting carbon dioxide contained in liquid methane28 Nov 2024US 2024/0393044 A1
- Removing heavy hydrocarbons to prevent defrost shutdowns in lng plants11 Jan 2024US 2024/0011707 A1Cheniere Energy, Inc.
- Removing heavy hydrocarbons to prevent defrost shutdowns in lng plants9 Jun 2022US 2022/0178609 A1Cheniere Energy, Inc.
- Liquefied natural gas recondensation system and related methodology2 Sep 2021US 2021/0270525 A1IMI Japan KK
Most cited
By later US patents
- Removal of carbon dioxide from a feed stream by carbon dioxide solids separation89US 5,819,555 A1998
- Process and device for production of LNG by removal of freezable solids45US 7,325,415 B2Cool Energy, Inc. · 2008
- Liquid natural gas processing37US 6,604,380 B1Howe-Baker Engineers, Inc. · 2003
- Liquid natural gas processing22US 6,941,771 B2Howe-Baker Engineers, Inc. · 2005
- Process for purifying liquid natural gas13US 5,359,856 ALiquid Carbonic Corporation · 1994