F25J 3/0625
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)}
F25J3/0625 (H2/co mixtures, i.e. synthesis gas) appears on 32 US grants and 61 published applications in this corpus.
Search patents in F25J- Granted patents
- 32
- Published applications
- 61
- Assignees
- 30
- Inventors
- 145
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 7 |
| 2012 | 1 | 13 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 3 | 6 |
| 2016 | 1 | 4 |
| 2017 | 2 | 2 |
| 2018 | 1 | 4 |
| 2019 | 7 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 5 |
| 2025 | 0 | 1 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for separating a gas mixture25 Aug 2026US 12,714,965 B2Linde Aktiengesellschaft
- 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
- Enhanced hydrogen recovery utilizing gas separation membranes integrated with pressure swing adsorption unit and/or cryogenic separation system31 Mar 2026US 12,589,994 B2Lummus Technology Inc.
- LNG reformer system31 Dec 2024US 12,179,164 B2Hyundai Motor Company
- Carbon dioxide removal from anode exhaust of a fuel cell by cooling/condensation17 Aug 2021US 11,094,952 B2FuelCell Energy, Inc.
- Method and plant for separation of carbon dioxide (co2)27 Aug 2026US 2026/0251390 A1Aker Carbon Capture Norway AS
- Carbon dioxide separation plant using external refrigeration circuit, and method13 Aug 2026US 2026/0235355 A1Nuovo Pignone Tecnologie Srl
- 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
- Condensing device16 Apr 2026US 2026/0104201 A1NGK Insulators, Ltd.
- Low-emission power generation system and method14 Aug 2025US 2025/0256957 A1Nuovo Pignone Tecnologie Srl
Most cited
By later US patents
- LNG cryogenic power generation system using molten carbonate fuel cells69US 5,198,311 AIshikawajima-Harima Heavy Industries Co., Ltd. · 1993
- Autorefrigeration separation of carbon dioxide59US 6,301,927 B12001
- Recovery of carbon dioxide from a carbon dioxide plant vent gas using membranes36US 4,990,168 A1991
- Process and apparatus for obtaining pure CO23US 4,566,886 ALinde Aktiengesellschaft · 1986
- Process for recovering hydrogen and carbon dioxide21US 8,535,638 B2Air Liquide Large Industries U.S. LP · 2013