F25J 3/0426
The cryogenic component does not participate in the fractionation
Official title: {The cryogenic component does not participate in the fractionation}
F25J3/0426 (The cryogenic component does not participate in the fractionation) appears on 70 US grants and 66 published applications in this corpus.
Search patents in F25J- Granted patents
- 70
- Published applications
- 66
- Assignees
- 46
- Inventors
- 161
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 3 |
| 2006 | 0 | 3 |
| 2007 | 3 | 1 |
| 2008 | 0 | 6 |
| 2009 | 3 | 6 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 6 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 3 |
| 2020 | 4 | 4 |
| 2021 | 4 | 4 |
| 2022 | 1 | 2 |
| 2023 | 2 | 6 |
| 2024 | 3 | 4 |
| 2025 | 1 | 2 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Refrigeration-integrated hydrocarbon collection system and method of operation25 Aug 2026US 12,716,649 B2Oxy Low Carbon Ventures, LLC
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Liquid hydrogen vaporization system and liquid hydrogen vaporization method19 May 2026US 12,631,372 B2H2CREO Corp.
- System for generating an inert gas for an aircraft using liquid hydrogen3 Feb 2026US 12,540,772 B2Airbus Operations GmbH
- Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit11 Mar 2025US 12,247,783 B2Linde Aktiengesellschaft
- Process and apparatus for purifying air and cryogenic air separation process and plant20 Aug 2026US 2026/0243508 A1
- Cryogenic air separation enhanced gas turbine21 May 2026US 2026/0139621 A1Rtx Corporation
- Process and plant for providing a nitrogen product, an oxygen product and a hydrogen product28 Aug 2025US 2025/0271208 A1Linde Aktiengesellschaft
- Cryogenic Neon Purification System and Method2 Jan 2025US 2025/0003677 A1Chart Energy & Chemicals, Inc.
- Cryogenic air separation enhanced gas turbine26 Dec 2024US 2024/0426242 A1Raytheon Technologies Corporation
Most cited
By later US patents
- Liquefied natural gas refrigeration transfer to a cryogenics air separation unit using high presure nitrogen stream67US 5,137,558 AAir Products and Chemicals, Inc. · 1992
- 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
- Production of liquid nitrogen using liquefied natural gas as sole refrigerant48US 5,139,547 AAir Products and Chemicals, Inc. · 1992
- Natural gas letdown liquefaction system48US 6,131,407 A2000
- Use of liquefied natural gas (LNG) coupled with a cold expander to produce liquid nitrogen38US 5,141,543 AAir Products and Chemicals, Inc. · 1992