F25J 3/04484
For purity control during steady state operation
Official title: {for purity control during steady state operation}
F25J3/04484 (For purity control during steady state operation) appears on 3 US grants and 2 published applications in this corpus.
Search patents in F25J- Granted patents
- 3
- Published applications
- 2
- Assignees
- 3
- Inventors
- 10
- Latest grant
- 19 Feb 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 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 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for obtaining an air product in an air separation plant and air separation plant19 Feb 2019US 10,209,004 B2Linde Aktiengesellschaft
- Argon production control through argon inventory manipulation31 Oct 2000US 6,138,474 AAir Products and Chemicals, Inc.
- Process and installation for the production of argon by cryogenic distillation14 Jul 1998US 5,778,699 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Argon production control through argon inventory manipulation2US 6,138,474 AAir Products and Chemicals, Inc. · 2000
- Process and installation for the production of argon by cryogenic distillation1US 5,778,699 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1998