F25J 3/04036
Of oxygen
Official title: {of oxygen}
F25J3/04036 (Of oxygen) appears on 32 US grants and 18 published applications in this corpus.
Search patents in F25J- Granted patents
- 32
- Published applications
- 18
- Assignees
- 19
- Inventors
- 59
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit11 Mar 2025US 12,247,783 B2Linde Aktiengesellschaft
- Systems and methods for power production with integrated production of hydrogen6 Feb 2024US 11,891,950 B28 Rivers Capital, LLC
- Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit18 Apr 2023US 11,629,913 B2Praxair Technology, Inc.
- Systems and methods for power production with integrated production of hydrogen22 Nov 2022US 11,506,122 B28 Rivers Capital, LLC
- LNG integration with cryogenic unit7 Apr 2020US 10,612,842 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and apparatus for air separation by cryogenic distillation1 Oct 2026US 2026/0298532 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Systems and methods for power production with integrated production of hydrogen18 Apr 2024US 2024/0125270 A18 Rivers Capital, LLC
- Integrated system for accumulating power or for generating electric power and natural gas29 Feb 2024US 2024/0068743 A1
- Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit13 Jul 2023US 2023/0221069 A1Linde Aktiengesellschaft
- Nitrogen and argon producing air separation unit23 Feb 2023US 2023/0055084 A1
Most cited
By later US patents
- Solid-fueled power generation system with carbon dioxide sequestration and method therefor203US 6,148,602 ANorther Research & Engineering Corporation · 2000
- Closed cycle gas turbine for gaseous production199US 4,434,613 AGeneral Electric Company · 1984
- Air separation process and system with gas turbine drivers97US 6,345,493 B1Air Products and Chemicals, Inc. · 2002
- Air separation process integrated with gas turbine combustion engine driver95US 6,263,659 B1Air Products and Chemicals, Inc. · 2001
- High pressure gasification of coal using nitrogen dilution of waste gas from steam generator57US 4,019,314 ALinde Aktiengesellschaft · 1977