F25J 3/04466
For producing oxygen as a mixing column overhead gas by mixing gaseous
Official title: {for producing oxygen as a mixing column overhead gas by mixing gaseous air feed and liquid oxygen}
F25J3/04466 (For producing oxygen as a mixing column overhead gas by mixing gaseous) appears on 27 US grants and 19 published applications in this corpus.
Search patents in F25J- Granted patents
- 27
- Published applications
- 19
- Assignees
- 13
- Inventors
- 50
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for separating air by cryogenic distillation26 Dec 2023US 11,852,408 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Device for the low-temperature separation of air5 Jan 2016US 9,228,778 B2Linde Aktiengesellschaft
- Device for the cryogenic separation of air27 Oct 2015US 9,170,048 B2Linde Aktiengesellschaft
- Air fractionation process and installation with mixing column and krypton-xenon recovery17 Aug 2004US 6,776,004 B2Linde Aktiengesellschaft
- Variable capacity fluid mixture separation apparatus and process23 Dec 2003US 6,666,048 B1L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude
- Heat exchanger5 Feb 2026US 2026/0036366 A1Taiyo Nippon Sanso Corporation
- Apparatus for the separation of air by cryogenic distillation comprising three columns, including two concentric columns24 Mar 2022US 2022/0090856 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for separating air by cryogenic distillation25 Nov 2021US 2021/0364233 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Distributor for Plate-Fin Heat Exchanger25 Jul 2019US 2019/0226765 A1Air Products and Chemicals, Inc.
- Method and installation for separating air by cryogenic distillation25 Sep 2014US 2014/0283550 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Thermal cycle for the compression of a fluid by the expansion of another fluid25US 4,022,030 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1977
- Process for supplying a blast furnace with air enriched in oxygen, and corresponding installation for the reduction of iron ore20US 5,244,489 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1993
- Air-distillation plant and corresponding cold box13US 6,148,637 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2000
- Air separation12US 5,715,706 AThe BOC Group, Inc. · 1998
- Process or apparatus for distilling air and application in feeding gas to a steel mill11US 5,291,737 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1994