F25J 3/0223
H2/co mixtures, i.e. synthesis gas
Official title: {H2/CO mixtures, i.e. synthesis gas; Water gas or shifted synthesis gas (production of carbon monoxide containing gas in general C01B32/40, C10J, C10K; production of hydrogen containing gas C01B3/00)}
F25J3/0223 (H2/co mixtures, i.e. synthesis gas) appears on 196 US grants and 209 published applications in this corpus.
Search patents in F25J- Granted patents
- 196
- Published applications
- 209
- Assignees
- 84
- Inventors
- 389
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 1 |
| 2002 | 6 | 7 |
| 2003 | 5 | 3 |
| 2004 | 3 | 1 |
| 2005 | 1 | 6 |
| 2006 | 1 | 6 |
| 2007 | 2 | 7 |
| 2008 | 4 | 6 |
| 2009 | 3 | 10 |
| 2010 | 5 | 15 |
| 2011 | 4 | 16 |
| 2012 | 7 | 15 |
| 2013 | 8 | 6 |
| 2014 | 10 | 6 |
| 2015 | 6 | 11 |
| 2016 | 5 | 9 |
| 2017 | 5 | 8 |
| 2018 | 8 | 9 |
| 2019 | 9 | 8 |
| 2020 | 4 | 10 |
| 2021 | 10 | 9 |
| 2022 | 4 | 10 |
| 2023 | 7 | 7 |
| 2024 | 6 | 8 |
| 2025 | 5 | 7 |
| 2026 | 3 | 8 |
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 separating a mixture of hydrogen and carbon dioxide19 May 2026US 12,629,630 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Integration of ammonia fuel for SMR for hydrogen production17 Feb 2026US 12,552,667 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Processes and apparatuses for operating a gas compressor29 Apr 2025US 12,285,717 B2Uop LLC
- Apparatuses and processes for the recovery of carbon dioxide streams18 Mar 2025US 12,252,406 B2Uop LLC
- Method and plant for separation of carbon dioxide (co2)27 Aug 2026US 2026/0251390 A1Aker Carbon Capture Norway AS
- Method and apparatus for liquefying and/or separating a mixture containing co230 Jul 2026US 2026/0217528 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and apparatus for removing co2 from a gasification syngas16 Jul 2026US 2026/0200728 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and apparatus for producing ultra pure co2 in a carbon capture process2 Jul 2026US 2026/0184577 A1Uop LLC
- Low-temperature distillation method for capturing carbon dioxide11 Jun 2026US 2026/0160489 A1Shihezi University
Most cited
By later US patents
- Methanol plant retrofit for acetic acid manufacture208US 6,232,352 B1Acetex limited · 2001
- Hydrogen and carbon dioxide coproduction88US 6,500,241 B2Fluor Corporation · 2002
- Purification of carbon dioxide77US 7,819,951 B2Air Products and Chemicals, Inc. · 2010
- Purification of carbon dioxide75US 8,257,476 B2Air Products and Chemicals, Inc. · 2012
- Hydrogen and carbon dioxide coproduction62US 4,963,339 AThe BOC Group, Inc. · 1990