F25J 3/04539
For the h2/co synthesis by partial oxidation or oxygen consuming reforming processes
Official title: {for the H2/CO synthesis by partial oxidation or oxygen consuming reforming processes of fuels}
F25J3/04539 (For the h2/co synthesis by partial oxidation or oxygen consuming reforming processes) appears on 173 US grants and 135 published applications in this corpus.
Search patents in F25J- Granted patents
- 173
- Published applications
- 135
- Assignees
- 87
- Inventors
- 311
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 2 |
| 2002 | 5 | 9 |
| 2003 | 9 | 4 |
| 2004 | 2 | 17 |
| 2005 | 10 | 7 |
| 2006 | 6 | 11 |
| 2007 | 5 | 8 |
| 2008 | 2 | 5 |
| 2009 | 5 | 4 |
| 2010 | 2 | 8 |
| 2011 | 6 | 11 |
| 2012 | 2 | 10 |
| 2013 | 6 | 6 |
| 2014 | 3 | 7 |
| 2015 | 3 | 3 |
| 2016 | 5 | 3 |
| 2017 | 3 | 1 |
| 2018 | 4 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 3 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 4 | 6 |
| 2024 | 2 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for precooling hydrogen for liquefaction using external liquid nitrogen and high pressure gaseous nitrogen24 Mar 2026US 12,584,686 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System and method for high efficiency power generation using a carbon dioxide circulating working fluid22 Oct 2024US 12,123,345 B28 Rivers Capital, LLC
- Chiller, air separation system, and related methods16 Jul 2024US 12,038,230 B2Air Products and Chemicals, Inc.
- Nitrogen process for production of ammonia and liquid hydrogen5 Dec 2023US 11,834,333 B2L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation Procedes Georges Claude
- Integration of hydrogen liquefaction with gas processing units14 Nov 2023US 11,815,309 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Effective use of cryogenic separation section in syngas manufacture23 Jan 2025US 2025/0026639 A1Topsoe A/S
- System and method for high efficiency power generation using a carbon dioxide circulating working fluid9 Jan 2025US 2025/0012214 A18 Rivers Capital, LLC
- Methods and systems for efficiently and cleanly manufacturing ammonia, ammonium sulfate, nitric acid, ammonium nitrate, or combinations thereof from coal and petcoke products9 May 2024US 2024/0150189 A1Decarbtek Global Corp.
- Methods and systems for cryogenically separating carbon dioxide and hydrogen from a syngas stream12 Oct 2023US 2023/0322549 A1Decarbtek Global Corp.
- System and method for high efficiency power generation using a carbon dioxide circulating working fluid24 Aug 2023US 2023/0265791 A18 Rivers Capital, LLC
Most cited
By later US patents
- Method for producing methane-containing gaseous mixtures305US 5,388,645 AAmoco Corporation · 1995
- Power plant with carbon dioxide capture and zero pollutant emissions254US 5,724,805 AUniversity of Massachusetts Lowell · 1998
- Method for recovering methane from a solid carbonaceous subterranean formation224US 5,566,755 AAmoco Corporation · 1996
- Solid-fueled power generation system with carbon dioxide sequestration and method therefor203US 6,148,602 ANorther Research & Engineering Corporation · 2000
- Method and apparatus for cooling high temperature components in a gas turbine167US 6,487,863 B1Siemens Westinghouse Power Corporation · 2002