F25J 1/0296
Removal of the heat of compression
Official title: {Removal of the heat of compression, e.g. within an inter- or afterstage-cooler against an ambient heat sink}
F25J1/0296 (Removal of the heat of compression) appears on 87 US grants and 119 published applications in this corpus.
Search patents in F25J- Granted patents
- 87
- Published applications
- 119
- Assignees
- 62
- Inventors
- 247
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 7 |
| 2015 | 2 | 6 |
| 2016 | 2 | 11 |
| 2017 | 2 | 9 |
| 2018 | 9 | 11 |
| 2019 | 8 | 10 |
| 2020 | 13 | 10 |
| 2021 | 4 | 2 |
| 2022 | 6 | 14 |
| 2023 | 4 | 3 |
| 2024 | 16 | 12 |
| 2025 | 2 | 4 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and systems for liquefaction of natural gas2 Jun 2026US 12,644,643 B2Steelhead Lng (Aslng) Ltd.
- Device and method for refrigerating or liquefying a fluid28 Oct 2025US 12,455,113 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Refrigeration device and system6 May 2025US 12,292,236 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Systems for liquefaction of natural gas10 Dec 2024US 12,163,735 B2Steelhead Lng (Aslng) Ltd.
- Apparatus and systems for liquefaction of natural gas3 Dec 2024US 12,158,301 B2Steelhead Lng (Aslng) Ltd.
- Cryogenic cooling system3 Sep 2026US 2026/0257609 A1
- Cryogenic liquefaction system and method27 Aug 2026US 2026/0251386 A1Nearshore Natural Gas, LLC
- Method for liquefying natural gas9 Jul 2026US 2026/0194294 A1Publichnoe Aktsionernoe Obshchestvo "NOVATEK"
- Carbon dioxide recovery system and carbon dioxide recovery method18 Jun 2026US 2026/0166471 A1Mitsubishi Heavy Industries, Ltd.
- Apparatus and systems for liquefaction of natural gas15 May 2025US 2025/0155192 A1Steelhead Lng (Aslng) Ltd.
Most cited
By later US patents
- Single mixed refrigerant, closed loop process for liquefying natural gas60US 4,033,735 AJ. F. Pritchard and Company · 1977
- Liquefaction apparatus50US 6,250,244 B1BHP Petroleum Pty Ltd. · 2001
- Incorporated cascade cooling cycle for liquefying a gas by regasifying liquefied natural gas48US 4,054,433 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1977
- Liquefaction process48US 5,916,260 ABHP Petroleum Pty Ltd. · 1999
- Gas liquefaction process with partial condensation of mixed refrigerant at intermediate temperatures40US 6,347,532 B1Air Products and Chemicals, Inc. · 2002