F25J 3/04363
Of oxygen
Official title: {of oxygen}
F25J3/04363 (Of oxygen) appears on 11 US grants and 6 published applications in this corpus.
Search patents in F25J- Granted patents
- 11
- Published applications
- 6
- Assignees
- 7
- Inventors
- 20
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 4 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process and apparatus for recovery of at least nitrogen and argon13 May 2025US 12,298,075 B2Air Products and Chemicals, Inc.
- Method and device for generating electrical energy4 Oct 2016US 9,458,762 B2Linde Aktiengesellschaft
- Cryogenic rectification system for producing ultra high purity oxygen11 Dec 2001US 6,327,873 B1Praxair Technology, Inc.
- High purity nitrogen generator unit and method15 Sep 1998US 5,806,340 ATeisan Kabushiki Kaisha
- Method and device for obtaining oxygen and nitrogen at superatmospheric pressure12 May 1998US 5,749,246 ALinde Aktiengesellschaft
- Method for the low-temperature separation of air and air separation plant28 Nov 2024US 2024/0393043 A1Linde Aktiengesellschaft
- Plant and method for low-temperature air separation14 Nov 2024US 2024/0377129 A1Linde Aktiengesellschaft
- Plant and process for low-temperature fractionation of air14 Nov 2024US 2024/0377131 A1Linde Aktiengesellschaft
- Process and apparatus for recovery of at least nitrogen and argon1 Feb 2024US 2024/0035743 A1Air Products and Chemicals, Inc.
- Method for efficient cold recovery in o2-h2 combustion turbine power generation system30 Jun 2022US 2022/0205714 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Process to produce a krypton-xenon concentrate from a liquid feed15US 4,574,006 AUnion Carbide Corporation · 1986
- Process and apparatus for producing nitrogen from air15US 4,966,002 AThe BOC Group, Inc. · 1990
- Process and arrangement for the distillation of air in the production of gaseous oxygen under variable operating conditions14US 5,209,070 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1993
- Efficient single column air separation cycle and its integration with gas turbines12US 5,251,450 AAir Products and Chemicals, Inc. · 1993
- Single column process and apparatus for producing oxygen at above-atmospheric pressure8US 5,363,657 AThe BOC Group, Inc. · 1994