F25J 1/0269
Arrangement of liquefaction units or equipments fulfilling the same process step
Official title: {Arrangement of liquefaction units or equipments fulfilling the same process step, e.g. multiple "trains" concept (F25J1/0294 takes precedence)}
F25J1/0269 (Arrangement of liquefaction units or equipments fulfilling the same process step) appears on 101 US grants and 150 published applications in this corpus.
Search patents in F25J- Granted patents
- 101
- Published applications
- 150
- Assignees
- 77
- Inventors
- 306
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 3 | 4 |
| 2004 | 2 | 5 |
| 2005 | 2 | 1 |
| 2006 | 2 | 2 |
| 2007 | 2 | 2 |
| 2008 | 0 | 5 |
| 2009 | 1 | 5 |
| 2010 | 1 | 13 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 10 |
| 2014 | 2 | 5 |
| 2015 | 1 | 5 |
| 2016 | 5 | 6 |
| 2017 | 5 | 15 |
| 2018 | 8 | 5 |
| 2019 | 5 | 5 |
| 2020 | 8 | 14 |
| 2021 | 6 | 8 |
| 2022 | 4 | 7 |
| 2023 | 7 | 10 |
| 2024 | 6 | 8 |
| 2025 | 6 | 8 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for generating refrigeration for a carbon monoxide cold box15 Sep 2026US 12,736,281 B2Praxair Technology, Inc.
- Installation and method for liquefying a cryogenic fluid18 Aug 2026US 12,710,227 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Liquefied natural gas production facility on gravity-based structures16 Jun 2026US 12,656,058 B2Publichnoe Aktsionernoe Obshchestvo "NOVATEK"
- Device and method for liquefying a fluid such as hydrogen and/or helium14 Apr 2026US 12,601,539 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Apparatus and process for pre-liquefaction fluid processing for improved liquefaction operations27 Jan 2026US 12,535,267 B2Air Products and Chemicals, Inc.
- Apparatus and process for utilization of hydrogen gas output from a trailer13 Aug 2026US 2026/0235351 A1Air Products and Chemicals, Inc.
- Hydrogen plant30 Jul 2026US 2026/0217529 A1Kawasaki Jukogyo Kabushiki Kaisha
- Reciprocating rapid cooldown loop for cryogenic devices28 May 2026US 2026/0146789 A1Maybell Quantum Industries, Inc.
- Apparatus and process for hydrogen recycling to avoid liquefier shutdown due to insufficient feed of hydrogen19 Feb 2026US 2026/0049761 A1Air Products and Chemicals, Inc.
- Plant and method for producing liquefied hydrogen2 Oct 2025US 2025/0305763 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Integrated high pressure NGL recovery in the production of liquefied natural gas94US 6,662,589 B1Air Products and Chemicals, Inc. · 2003
- Plant for liquefying natural gas51US 6,389,844 B1Shell Oil Company · 2002
- LNG with ethane enrichment and reinjection gas as refrigerant46US 6,125,653 ATexaco Inc. · 2000
- Method of and system for refrigerating a fluid to be cooled down to a low temperature37US 4,334,902 ACompagnie Francaise d'Etudes et de Construction "Technip" · 1982
- Vessel having natural gas liquefaction capabilities36US 4,041,721 AThe Lummus Company · 1977