F25J 1/0042
By liquid expansion with extraction of work
Official title: {by liquid expansion with extraction of work}
F25J1/0042 (By liquid expansion with extraction of work) appears on 167 US grants and 218 published applications in this corpus.
Search patents in F25J- Granted patents
- 167
- Published applications
- 218
- Assignees
- 96
- Inventors
- 360
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 0 |
| 2002 | 5 | 0 |
| 2003 | 3 | 6 |
| 2004 | 4 | 9 |
| 2005 | 4 | 3 |
| 2006 | 4 | 1 |
| 2007 | 3 | 7 |
| 2008 | 3 | 7 |
| 2009 | 5 | 14 |
| 2010 | 2 | 15 |
| 2011 | 0 | 9 |
| 2012 | 0 | 5 |
| 2013 | 6 | 6 |
| 2014 | 4 | 9 |
| 2015 | 4 | 11 |
| 2016 | 5 | 13 |
| 2017 | 7 | 18 |
| 2018 | 6 | 17 |
| 2019 | 8 | 12 |
| 2020 | 14 | 9 |
| 2021 | 7 | 11 |
| 2022 | 7 | 13 |
| 2023 | 7 | 7 |
| 2024 | 8 | 5 |
| 2025 | 4 | 5 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for producing a liquefied natural gas product18 Aug 2026US 12,710,225 B2Linde Aktiengesellschaft
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Liquid nitrogen energy storage system21 Apr 2026US 12,607,399 B2Praxair Technology, Inc.
- Green energy transportation system and transportation method using green hydrogen18 Nov 2025US 12,473,200 B2
- Semi-open loop liquefaction process18 Nov 2025US 12,474,114 B2Honeywell Lng LLC
- Turbomachine27 Aug 2026US 2026/0251078 A1Kawasaki Jukogyo Kabushiki Kaisha
- Side draw reflux heavy hydrocarbon removal system and method21 May 2026US 2026/0139898 A1
- Liquefaction of natural gas feeds containing hydrogen5 Mar 2026US 2026/0063359 A1Honeywell Lng LLC
- System and method for simultaneously producing high-purity liquid nitrogen and high-purity liquid carbon dioxide at low cost by using flue gas26 Feb 2026US 2026/0055956 A1Hangzhou Oxygen Plant Group Co., Ltd.
- Semi-open loop liquefaction process19 Feb 2026US 2026/0049762 A1Honeywell Lng LLC
Most cited
By later US patents
- LNG production using dual independent expander refrigeration cycles149US 6,412,302 B1ABB Lummus Global, Inc. - Randall Division · 2002
- 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
- LNG production in cryogenic natural gas processing plants108US 5,615,561 AWilliams Field Services Company · 1997
- Combined air separation natural gas liquefaction plant104US 7,143,606 B2L'Air Liquide-Societe Anonyme a'Directoire et Conseil de Surveillance pour l'Etide et l'Exploitation des Procedes Georges Claude · 2006