F25J 3/0489
Modularity and arrangement of parts of the air fractionation unit, in particular
Official title: {Modularity and arrangement of parts of the air fractionation unit, in particular of the cold box, e.g. pre-fabrication, assembling and erection, dimensions, horizontal layout "plot" (F25J3/04872 takes precedence)}
F25J3/0489 (Modularity and arrangement of parts of the air fractionation unit, in particular) appears on 81 US grants and 88 published applications in this corpus.
Search patents in F25J- Granted patents
- 81
- Published applications
- 88
- Assignees
- 25
- Inventors
- 165
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 4 | 1 |
| 2006 | 1 | 5 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 4 |
| 2010 | 0 | 3 |
| 2011 | 2 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 6 |
| 2014 | 0 | 13 |
| 2015 | 3 | 5 |
| 2016 | 5 | 1 |
| 2017 | 9 | 4 |
| 2018 | 2 | 8 |
| 2019 | 3 | 2 |
| 2020 | 6 | 6 |
| 2021 | 3 | 6 |
| 2022 | 5 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 7 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for separating air by cryogenic distillation10 Feb 2026US 12,546,533 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Apparatus and process for liquefying gases9 Dec 2025US 12,492,864 B1
- 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
- Heat exchanger apparatus, manifold arrangement for a heat exchanger apparatus, and methods relating to same29 Apr 2025US 12,287,145 B2Air Products and Chemicals, Inc.
- Method and installation for low temperature separation of air7 May 2024US 11,976,880 B2Linde Aktiengesellschaft
- Cold box and method of assembly27 Aug 2026US 2026/0251388 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Apparatus and Method for Horizontal Transport and Vertical Installation of Heat Exchanger14 Nov 2024US 2024/0375226 A1Air Products and Chemicals, Inc.
- Plant and method for low-temperature air separation14 Nov 2024US 2024/0377129 A1Linde Aktiengesellschaft
- Plant and process for low-temperature fractionation of air14 Nov 2024US 2024/0377131 A1Linde Aktiengesellschaft
- Distributor module for a process plant14 Nov 2024US 2024/0377132 A1Linde Aktiengesellschaft
Most cited
By later US patents
- Integrated apparatus for generating power and/or oxygen enriched fluid, process for the operation thereof82US 6,276,171 B1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2001
- Apparatus for the low-temperature separation of a gas mixture, in particular air80US 7,516,626 B2Linde Aktiengesellschaft · 2009
- High speed pressure swing adsorption liquid oxygen/liquid nitrogen generating plant34US 4,957,523 APacific Consolidated Industries, LLC · 1990
- Installation for the distillation of air22US 5,461,871 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1995
- Cryogenic rectification system with modular cold boxes19US 5,896,755 APraxair Technology, Inc. · 1999