F25J 1/0219
In combination with an internal quasi-closed refrigeration loop
Official title: {in combination with an internal quasi-closed refrigeration loop, e.g. using a deep flash recycle loop}
F25J1/0219 (In combination with an internal quasi-closed refrigeration loop) appears on 66 US grants and 68 published applications in this corpus.
Search patents in F25J- Granted patents
- 66
- Published applications
- 68
- Assignees
- 32
- Inventors
- 156
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 4 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 0 | 5 |
| 2012 | 0 | 3 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 6 |
| 2016 | 2 | 3 |
| 2017 | 4 | 4 |
| 2018 | 3 | 5 |
| 2019 | 1 | 9 |
| 2020 | 8 | 2 |
| 2021 | 1 | 3 |
| 2022 | 2 | 4 |
| 2023 | 4 | 4 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen liquefaction with stored hydrogen refrigeration source9 Jun 2026US 12,650,259 B2Chart Energy & Chemicals, Inc.
- Method for producing liquefied natural gas from natural gas, and corresponding plant13 Jan 2026US 12,523,421 B2Technip Energies France
- Methods and configurations for LNG liquefaction31 Dec 2024US 12,181,214 B2JTurbo Engineering & Technology, LLC
- System and method for removing freezing components from a feed gas4 Jun 2024US 12,000,653 B2Chart Energy & Chemicals, Inc.
- Natural gas liquefaction by a high pressure expansion process6 Feb 2024US 11,892,233 B2ExxonMobil Technology and Engineering Company
- 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.
- Installation and method for producing liquefied hydrogen5 Jun 2025US 2025/0180285 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process for Producing Liquefied Hydrogen10 Oct 2024US 2024/0337438 A1Gasconsult Limited
- Method for producing liquefied natural gas from natural gas, and corresponding plant21 Dec 2023US 2023/0408187 A1Technip France
- System and Method for Cooling Fluids Containing Hydrogen or Helium16 Nov 2023US 2023/0366620 A1
Most cited
By later US patents
- Enhanced NGL recovery utilizing refrigeration and reflux from LNG plants112US 6,401,486 B12002
- Multi-component refrigeration process for liquefaction of natural gas100US 5,950,453 AExxon Production Research Company · 1999
- Multicomponent refrigerant cooling with internal recycle78US 6,065,305 APraxair Technology, Inc. · 2000
- Hybrid cycle for the production of liquefied natural gas77US 6,308,531 B1Air Products and Chemicals, Inc. · 2001
- Method for liquefying natural gas59US 5,363,655 AChiyoda Corporation · 1994