F25J 2270/18
External refrigeration with incorporated cascade loop
F25J2270/18 (External refrigeration with incorporated cascade loop) appears on 73 US grants and 89 published applications in this corpus.
Search patents in F25J- Granted patents
- 73
- Published applications
- 89
- Assignees
- 39
- Inventors
- 124
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 6 |
| 2016 | 1 | 5 |
| 2017 | 2 | 9 |
| 2018 | 3 | 1 |
| 2019 | 6 | 17 |
| 2020 | 3 | 6 |
| 2021 | 3 | 8 |
| 2022 | 15 | 4 |
| 2023 | 8 | 13 |
| 2024 | 5 | 2 |
| 2025 | 4 | 1 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cryogenic gas cooling system and method16 Jun 2026US 12,656,057 B2Chart Energy & Chemicals, Inc.
- Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream2 Jun 2026US 12,643,067 B2Enflex, Inc.
- Method for producing liquefied natural gas from natural gas, and corresponding plant13 Jan 2026US 12,523,421 B2Technip Energies France
- Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream9 Dec 2025US 12,491,464 B2Enflex, Inc.
- Gas stream component removal system and method19 Aug 2025US 12,392,549 B2Chart Energy & Chemicals, Inc.
- Method for liquefying natural gas9 Jul 2026US 2026/0194294 A1Publichnoe Aktsionernoe Obshchestvo "NOVATEK"
- Nitrogen Rejection Unit with Mixed Refrigerant Cooling System and Method28 May 2026US 2026/0146785 A1
- Methods and systems for natural gas purification integrated with gas compression16 Apr 2026US 2026/0104199 A1Valence Natural Gas Solutions LLC
- Producing lng from methane containing synthetic gas16 Apr 2026US 2026/0104200 A1Honeywell Lng LLC
- Systems and methods for lng refrigeration and liquefaction14 Aug 2025US 2025/0257939 A1Fluor Technologies Corporation
Most cited
By later US patents
- Feed gas drier precooling in mixed refrigerant natural gas liquefaction processes59US 4,755,200 AAir Products and Chemicals, Inc. · 1988
- Dual mixed refrigerant natural gas liquefaction54US 4,545,795 AAir Products and Chemicals, Inc. · 1985
- Dual mixed refrigerant natural gas liquefaction with staged compression51US 4,525,185 AAir Products and Chemicals, Inc. · 1985
- Fractionation process for gaseous hydrocarbon mixtures with a high acid gas content49US 4,976,849 ASNAMPROGETTI S.p. A. · 1990
- 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