F25J 3/04618
For cooling an air stream fed to the air fractionation unit
Official title: {for cooling an air stream fed to the air fractionation unit}
F25J3/04618 (For cooling an air stream fed to the air fractionation unit) appears on 109 US grants and 74 published applications in this corpus.
Search patents in F25J- Granted patents
- 109
- Published applications
- 74
- Assignees
- 40
- Inventors
- 145
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 4 |
| 2007 | 3 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 0 | 6 |
| 2011 | 5 | 4 |
| 2012 | 1 | 5 |
| 2013 | 3 | 7 |
| 2014 | 2 | 4 |
| 2015 | 3 | 1 |
| 2016 | 5 | 5 |
| 2017 | 5 | 3 |
| 2018 | 5 | 5 |
| 2019 | 2 | 1 |
| 2020 | 3 | 3 |
| 2021 | 4 | 0 |
| 2022 | 2 | 4 |
| 2023 | 2 | 2 |
| 2024 | 4 | 2 |
| 2025 | 1 | 5 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and plant for the production of ammonia with renewable energy22 Jul 2025US 12,365,595 B2Stamicarbon B. V.
- Cooling arrangement and method for cooling an at least two-stage compressed air generator10 Dec 2024US 12,163,511 B2Gardner Denver Deutschland GmbH
- System and method for high efficiency power generation using a carbon dioxide circulating working fluid22 Oct 2024US 12,123,345 B28 Rivers Capital, LLC
- Chiller, air separation system, and related methods16 Jul 2024US 12,038,230 B2Air Products and Chemicals, Inc.
- Systems and methods for power production with integrated production of hydrogen6 Feb 2024US 11,891,950 B28 Rivers Capital, LLC
- Compressed carbon dioxide energy storage system and method combined with air separation technology25 Jun 2026US 2026/0176984 A1Xi' An Jiaotong University
- 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
- Processing Gases18 Dec 2025US 2025/0383143 A1NET Power LLC
- System and method for producing ammonia30 Oct 2025US 2025/0333316 A1Siemens Energy Global GmbH & Co. KG
- Cooling arrangement and method for cooling an at least two-stage compressed air generator27 Mar 2025US 2025/0101971 A1
Most cited
By later US patents
- Combined power cycle with liquefied natural gas (LNG) and synthesis or fuel gas140US 5,295,350 ATexaco Inc. · 1994
- Integrated air separation and oxygen fired power generation system127US 7,284,362 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2007
- Zero emissions closed rankine cycle power system124US 7,882,692 B2Clean Energy Systems, Inc. · 2011
- Operation method for integrated gasification combined cycle power generation system119US 5,901,547 AAir Products and Chemicals, Inc. · 1999
- Air separation process and system with gas turbine drivers97US 6,345,493 B1Air Products and Chemicals, Inc. · 2002