F25J 1/0017
Oxygen
Official title: {Oxygen}
F25J1/0017 (Oxygen) appears on 83 US grants and 99 published applications in this corpus.
Search patents in F25J- Granted patents
- 83
- Published applications
- 99
- Assignees
- 49
- Inventors
- 212
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 0 |
| 2003 | 5 | 0 |
| 2004 | 3 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 6 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 2 | 5 |
| 2010 | 1 | 1 |
| 2011 | 2 | 3 |
| 2012 | 1 | 7 |
| 2013 | 0 | 3 |
| 2014 | 1 | 3 |
| 2015 | 0 | 2 |
| 2016 | 0 | 5 |
| 2017 | 6 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 4 |
| 2020 | 3 | 2 |
| 2021 | 4 | 5 |
| 2022 | 2 | 7 |
| 2023 | 0 | 10 |
| 2024 | 6 | 15 |
| 2025 | 6 | 8 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen liquefaction system and hydrogen liquefaction method29 Sep 2026US 12,747,911 B2H2CREO Corp.
- System and method for co-production of a densified liquid oxygen product and densified liquid methane product15 Sep 2026US 12,736,280 B2Praxair Technology, Inc.
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Oxygen liquefier design phasing26 May 2026US 12,638,235 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Plant and method for producing hydrogen at cryogenic temperature10 Mar 2026US 12,571,584 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System and method for the production and supply of a densified liquid oxygen product20 Aug 2026US 2026/0243506 A1
- Apparatus and method for harnessing energy from a wellbore to perform multiple functions while reducing emissions4 Jun 2026US 2026/0153020 A1CNX Resources Corporation
- Cooling facility and method29 Jan 2026US 2026/0029192 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- High-grade heat-of-compression storage system, and methods of use11 Dec 2025US 2025/0376974 A1Highview Enterprises Limited
- Process for remote lox/lin production by hpair turbo expansion2 Oct 2025US 2025/0305764 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator136US 5,979,440 ASeQual Technologies, Inc. · 1999
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator133US 6,698,423 B1SeQual Technologies, Inc. · 2004
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator101US 6,681,764 B1SeQual Technologies, Inc. · 2004
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator91US 6,651,653 B1SeQual Technologies, Inc. · 2003
- Multicomponent refrigerant cooling with internal recycle78US 6,065,305 APraxair Technology, Inc. · 2000