F25J 3/04836
Variable air feed, i.e. "load" or product demand during specified periods
Official title: {Variable air feed, i.e. "load" or product demand during specified periods, e.g. during periods with high respectively low power costs (F25J3/0483 takes precedence)}
F25J3/04836 (Variable air feed, i.e. "load" or product demand during specified periods) appears on 69 US grants and 68 published applications in this corpus.
Search patents in F25J- Granted patents
- 69
- Published applications
- 68
- Assignees
- 36
- Inventors
- 163
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 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 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 3 | 3 |
| 2006 | 0 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 0 | 3 |
| 2011 | 0 | 7 |
| 2012 | 0 | 5 |
| 2013 | 1 | 5 |
| 2014 | 3 | 7 |
| 2015 | 3 | 2 |
| 2016 | 3 | 3 |
| 2017 | 5 | 1 |
| 2018 | 1 | 8 |
| 2019 | 8 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 3 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Power production plant including liquid oxygen storage and method of operation of the power production plant11 Mar 2025US 12,247,515 B28 Rivers Capital, LLC
- Method for obtaining one or more air products and air separation system3 Dec 2024US 12,158,303 B2Linde Aktiengesellschaft
- Product gas supply quantity adjustment device and air separation apparatus comprising same27 Feb 2024US 11,913,720 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- High energy recovery nitric acid process using liquid oxygen containing fluid20 Feb 2024US 11,905,172 B2Yara International Asa
- 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
- Compressed carbon dioxide energy storage system and method combined with air separation technology25 Jun 2026US 2026/0176984 A1Xi' An Jiaotong University
- Method and device for separating air by cryogenic distillation27 Feb 2025US 2025/0067507 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Power Production Plant Including Liquid Oxygen Storage and Method of Operation of the Power Production Plant18 Jul 2024US 2024/0240587 A18 Rivers Capital, LLC
- Air separation unit15 Feb 2024US 2024/0053098 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- High pressure combustion turbine and air separation system integration41US 5,666,823 AAir Products and Chemicals, Inc. · 1997
- Operation of integrated gasification combined cycle power generation systems at part load39US 5,740,673 AAir Products and Chemicals, Inc. · 1998
- Supplemental air supply for an air separation system35US 6,116,027 AAir Products and Chemicals, Inc. · 2000
- Process and plant for producing a variable gas output18US 6,273,936 B1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2001
- Process and unit for supplying a gas under pressure to an installation that consumes a constituent of air17US 5,505,052 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1996