F25J 3/0261
Separation of carbon monoxide
Official title: {separation of carbon monoxide (production of carbon monoxide containing gas in general C01B32/40, C10J, C10K)}
F25J3/0261 (Separation of carbon monoxide) appears on 111 US grants and 111 published applications in this corpus.
Search patents in F25J- Granted patents
- 111
- Published applications
- 111
- Assignees
- 52
- Inventors
- 236
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
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| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 5 |
| 2003 | 5 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 6 |
| 2006 | 1 | 5 |
| 2007 | 2 | 5 |
| 2008 | 4 | 4 |
| 2009 | 3 | 6 |
| 2010 | 2 | 11 |
| 2011 | 2 | 9 |
| 2012 | 3 | 2 |
| 2013 | 2 | 4 |
| 2014 | 6 | 4 |
| 2015 | 4 | 1 |
| 2016 | 2 | 6 |
| 2017 | 2 | 5 |
| 2018 | 2 | 4 |
| 2019 | 4 | 6 |
| 2020 | 1 | 2 |
| 2021 | 7 | 8 |
| 2022 | 1 | 3 |
| 2023 | 2 | 1 |
| 2024 | 3 | 4 |
| 2025 | 1 | 5 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for generating refrigeration for a carbon monoxide cold box15 Sep 2026US 12,736,281 B2Praxair Technology, Inc.
- Process and apparatus for the separation of a mixture of hydrogen and carbon monoxide at low temperature7 Jan 2025US 12,187,611 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Production of acetic acid through cryogenic separation of syngas24 Sep 2024US 12,098,122 B2Saudi Arabian Oil Company
- 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
- Producing lng from methane containing synthetic gas16 Apr 2026US 2026/0104200 A1Honeywell Lng LLC
- 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 purifying gaseous products from a co2 electrolysis process13 Nov 2025US 2025/0346546 A1Siemens Energy Global GmbH & Co. KG
- Process and apparatus for the production of ammonia synthesis gas16 Oct 2025US 2025/0321050 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and apparatus for separating waste gas from a ferrous metal production unit29 May 2025US 2025/0170521 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Methanol plant retrofit for acetic acid manufacture208US 6,232,352 B1Acetex limited · 2001
- Process and apparatus for producing hydrogen and carbon monoxide62US 8,808,425 B2Air Products and Chemicals, Inc. · 2014
- Hydrogen and carbon monoxide production by partial oxidation of hydrocarbon feed43US 5,538,706 AThe BOC Group, Inc. · 1996
- Cryogenic process for separating synthesis gas37US 4,217,759 AUnion Carbide Corporation · 1980
- Separation of H.sub.2, CO, and CH.sub.4 synthesis gas with methane wash31US 4,102,659 AUnion Carbide Corporation · 1978