F25J 3/04703
Being arranged in more than one vessel
Official title: {being arranged in more than one vessel}
F25J3/04703 (Being arranged in more than one vessel) appears on 36 US grants and 24 published applications in this corpus.
Search patents in F25J- Granted patents
- 36
- Published applications
- 24
- Assignees
- 11
- Inventors
- 72
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 3 | 0 |
| 2021 | 0 | 4 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 0 | 0 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System for purifying argon by cryogenic distillation23 Dec 2025US 12,503,365 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Air separation unit by cryogenic distillation1 Jul 2025US 12,345,469 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for starting up an argon separation column of an apparatus for air separation by cryogenic distillation and unit for implementing the method27 May 2025US 12,313,336 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Air separation unit by cryogenic distillation29 Aug 2023US 11,740,015 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System and method for the production of argon in an air separation plant facility or enclave having multiple cryogenic air separation units1 Aug 2023US 11,713,921 B2Praxair Technology, Inc.
- Argon column for air separation unit and air separation unit13 Mar 2025US 2025/0085050 A1Taiyo Nippon Sanso Corporation
- Air separation unit by cryogenic distillation9 Nov 2023US 2023/0358467 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Full liquid-product air separation equipment and process therefor5 Jan 2023US 2023/0003445 A1Suzhou Xinglu Air Separation Plant Science and Technology Development Co., Ltd.
- System for purifying argon by cryogenic distillation1 Dec 2022US 2022/0380215 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for flexible recovery of argon from a cryogenic air separation unit12 May 2022US 2022/0146195 A1
Most cited
By later US patents
- Process for distillation of multicomponent fluid and production of an argon-enriched stream from a cryogenic air separation process57US 6,240,744 B1Air Products and Chemicals, Inc. · 2001
- Distillation system with partitioned column39US 5,339,648 APraxair Technology, Inc. · 1994
- Cryogenic air separation system with liquid air stripping32US 5,440,884 APraxair Technology, Inc. · 1995
- Process for restarting an auxilliary column for argon/oxygen separation by distillation and corresponding installation16US 5,505,051 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1996
- Air separation13US 5,692,396 AThe BOC Group, Inc. · 1997