F25J 3/04072
Of argon or argon enriched stream
Official title: {of argon or argon enriched stream}
F25J3/04072 (Of argon or argon enriched stream) appears on 4 US grants and 4 published applications in this corpus.
Search patents in F25J- Granted patents
- 4
- Published applications
- 4
- Assignees
- 3
- Inventors
- 5
- Latest grant
- 19 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for recovery of nitrogen, argon, and oxygen in moderate pressure cryogenic air separation unit19 Mar 2024US 11,933,538 B2Praxair Technology, Inc.
- Low emission energy source20 Mar 2007US 7,191,736 B2Los Angeles Advisory Services, Inc.
- Low energy high purity oxygen plus argon25 Mar 1986US 4,578,095 A
- Cryogenic air separation with cold argon recycle6 Aug 1985US 4,533,375 A
- Lighter than air transportation system using cryogenic energy storage6 Jul 2023US 2023/0213279 A1Anumá Aerospace, LLC
- System and method for recovery of nitrogen, argon, and oxygen in moderate pressure cryogenic air separation unit11 Nov 2021US 2021/0348842 A1Praxair Technology, Inc.
- Low emission energy source3 Jan 2008US 2008/0000436 A1
- Low emission energy source29 Jul 2004US 2004/0144338 A1Los Angeles Advisory Services, Inc.
Most cited
By later US patents