F25J 2270/16
With mutliple gas expansion loops of the same refrigerant
Official title: with mutliple gas expansion loops of the same refrigerant
F25J2270/16 (With mutliple gas expansion loops of the same refrigerant) appears on 121 US grants and 199 published applications in this corpus.
Search patents in F25J- Granted patents
- 121
- Published applications
- 199
- Assignees
- 63
- Inventors
- 282
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 4 | 5 |
| 2010 | 1 | 14 |
| 2011 | 5 | 8 |
| 2012 | 1 | 1 |
| 2013 | 4 | 7 |
| 2014 | 3 | 7 |
| 2015 | 3 | 6 |
| 2016 | 2 | 2 |
| 2017 | 9 | 12 |
| 2018 | 5 | 18 |
| 2019 | 6 | 10 |
| 2020 | 9 | 5 |
| 2021 | 7 | 13 |
| 2022 | 7 | 13 |
| 2023 | 7 | 25 |
| 2024 | 8 | 28 |
| 2025 | 10 | 12 |
| 2026 | 7 | 7 |
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.
- Hydrogen liquefaction with stored hydrogen refrigeration source9 Jun 2026US 12,650,259 B2Chart Energy & Chemicals, Inc.
- 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 for precooling hydrogen for liquefaction using external liquid nitrogen and high pressure gaseous nitrogen24 Mar 2026US 12,584,686 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Plant and method for producing hydrogen at cryogenic temperature10 Mar 2026US 12,571,584 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Fluid liquefaction method and device27 Aug 2026US 2026/0251384 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cryogenic type boil-off gas reliquefaction system20 Aug 2026US 2026/0243505 A1Shanghai Marine Diesel Engine Research Institute
- System and method for the production and supply of a densified liquid oxygen product20 Aug 2026US 2026/0243506 A1
- System and method for precooling in hydrogen or helium liquefaction processing9 Jul 2026US 2026/0194293 A1Air Water Gas Solutions, Inc.
- Method of Hydrogen Liquefaction Using Optimized Claude Refrigeration Cycles2 Apr 2026US 2026/0092734 A1Evergreen Cryogenics Inc.
Most cited
By later US patents
- Liquefaction apparatus50US 6,250,244 B1BHP Petroleum Pty Ltd. · 2001
- Liquefaction process and apparatus49US 6,446,465 B1BHP Petroleum Pty Ltd. · 2002
- Liquefaction process48US 5,916,260 ABHP Petroleum Pty Ltd. · 1999
- Separation of hydrogen-hydrocarbon gas mixtures using closed-loop gas expander refrigeration36US 6,560,989 B1Air Products and Chemicals, Inc. · 2003
- Low temperature refrigeration process for helium or hydrogen mixtures using mixed refrigerant31US 3,992,167 AUnion Carbide Corporation · 1976