F25J 3/04024
Of purified feed air, so-called boosted air
Official title: {of purified feed air, so-called boosted air}
F25J3/04024 (Of purified feed air, so-called boosted air) appears on 99 US grants and 101 published applications in this corpus.
Search patents in F25J- Granted patents
- 99
- Published applications
- 101
- Assignees
- 34
- Inventors
- 150
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 4 |
| 2005 | 4 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 4 |
| 2013 | 0 | 2 |
| 2014 | 3 | 5 |
| 2015 | 5 | 5 |
| 2016 | 3 | 11 |
| 2017 | 5 | 13 |
| 2018 | 2 | 10 |
| 2019 | 14 | 10 |
| 2020 | 10 | 6 |
| 2021 | 8 | 6 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems for extracting oxygen from a fluid4 Feb 2025US 12,215,924 B2Zeine, Inc.
- Method for obtaining one or more air products, and air separation unit14 Jan 2025US 12,196,488 B2Linde Aktiengesellschaft
- Apparatus and method for separation of air by cryogenic distillation31 Dec 2024US 12,181,217 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- High-purity oxygen production system23 Jan 2024US 11,879,685 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for the cryogenic separation of air7 Dec 2021US 11,193,710 B2Linde Aktiengesellschaft
- Apparatus and method for maintaining or increasing liquid production of an air separation unit9 Jul 2026US 2026/0194295 A1Air Liquide Large Industries U.S. LP
- Method for increasing production flexibility of an air separation unit28 May 2026US 2026/0146790 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Thermal integration temperature balancing of air separation unit and power generation system19 Mar 2026US 2026/0078947 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for compressing a gas24 Jul 2025US 2025/0237431 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Systems For Extracting Oxygen From A Fluid1 Jun 2023US 2023/0168031 A1Zeine, Inc.
Most cited
By later US patents
- Process and apparatus for purifying air to be distilled by adsorption75US 5,137,548 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1992
- Turbine/motor (generator) driven booster compressor74US 5,924,307 APraxair Technology, Inc. · 1999
- Liquefied natural gas refrigeration transfer to a cryogenics air separation unit using high presure nitrogen stream67US 5,137,558 AAir Products and Chemicals, Inc. · 1992
- High pressure gasification of coal using nitrogen dilution of waste gas from steam generator57US 4,019,314 ALinde Aktiengesellschaft · 1977
- Integration of a cryogenic air separator with synthesis gas production and conversion46US 6,117,916 AAir Products and Chemicals, Inc. · 2000