F25J 2240/48
The fluid being oxygen enriched compared to air
Official title: the fluid being oxygen enriched compared to air, e.g. "crude oxygen"
F25J2240/48 (The fluid being oxygen enriched compared to air) appears on 7 US grants and 2 published applications in this corpus.
Search patents in F25J- Granted patents
- 7
- Published applications
- 2
- Assignees
- 4
- Inventors
- 14
- Latest grant
- 24 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
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| 2006 | 0 | 0 |
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| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
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| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Distillation column system and plant for production of oxygen by cryogenic fractionation of air24 Nov 2020US 10,845,118 B2Linde Aktiengesellschaft
- Cryogenic air separation system with split kettle recycle28 Aug 2001US 6,279,345 B1Praxair Technology, Inc.
- Cryogenic rectification regenerator system21 Apr 1998US 5,740,683 APraxair Technology, Inc.
- Air separation method and apparatus27 Jan 1998US 5,711,166 AThe BOC Group, Inc.
- Process for introducing a multicomponent liquid feed stream at pressure P.sub.2 into a distillation column operating at lower pressure P.sub.13 Jun 1997US 5,634,356 AAir Products and Chemicals, Inc.
Most cited
By later US patents
- Atmospheric gas separation method10US 5,396,772 AThe BOC Group, Inc. · 1995
- Cryogenic air separation system with split kettle recycle7US 6,279,345 B1Praxair Technology, Inc. · 2001
- Air separation method and apparatus to produce nitrogen6US 5,507,148 AThe BOC Group, Inc. · 1996
- Cryogenic rectification regenerator system5US 5,740,683 APraxair Technology, Inc. · 1998
- Air separation method and apparatus4US 5,711,166 AThe BOC Group, Inc. · 1998