F25J 2270/24
Quasi-closed internal or closed external carbon monoxide refrigeration cycle
F25J2270/24 (Quasi-closed internal or closed external carbon monoxide refrigeration cycle) appears on 33 US grants and 34 published applications in this corpus.
Search patents in F25J- Granted patents
- 33
- Published applications
- 34
- Assignees
- 19
- Inventors
- 63
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 6 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 3 | 5 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for separating a synthesis gas by cryogenic distillation4 Jun 2024US 11,999,622 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and apparatus for the cryogenic separation of a mixture of carbon monoxide, hydrogen and methane for the production of CH423 Apr 2024US 11,965,694 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and installation for cryogenic separation of a gaseous mixture by methane scrubbing20 Jun 2023US 11,680,747 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and apparatus for producing carbon monoxide5 Oct 2021US 11,137,204 B2Praxair Technology, Inc.
- Process and plant for the combination production of a mixture of hydrogen and nitrogen and also of carbon monoxide by cryogenic distillation and cryogenic scrubbing25 May 2021US 11,015,866 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Unit for separating a mixture of carbon monoxide, hydrogen and methane by cryogenic distillation1 Jan 2026US 2026/0002730 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for liquefying hydrogen15 Feb 2024US 2024/0053094 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for an improved partial condensation carbon monoxide cold box operation19 Aug 2021US 2021/0254891 A1
- Method and apparatus for separating a synthesis gas by cryogenic distillation15 Jul 2021US 2021/0214218 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for generating refrigeration for a carbon monoxide cold box10 Jun 2021US 2021/0172678 A1Praxair Technology, Inc.
Most cited
By later US patents
- Separation of H.sub.2, CO, and CH.sub.4 synthesis gas with methane wash31US 4,102,659 AUnion Carbide Corporation · 1978
- Preliminary condensation of methane in the fractionation of a gaseous mixture29US 4,311,496 ALinde Aktiengesellschaft · 1982
- Column for the cryogenic separation of gaseous mixtures and method for the cryogenic separation of a mixture containing hydrogen and CO using this column24US 6,374,634 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2002
- Process for recovering a pure carbon monoxide fraction22US 5,592,831 ALinde Aktiengesellschaft · 1997
- Light component stripping in plate-fin heat exchangers20US 5,596,883 AAir Products and Chemicals, Inc. · 1997