F25J 3/04575
For a gas expansion plant
Official title: {for a gas expansion plant, e.g. dilution of the combustion gas in a gas turbine}
F25J3/04575 (For a gas expansion plant) appears on 149 US grants and 76 published applications in this corpus.
Search patents in F25J- Granted patents
- 149
- Published applications
- 76
- Assignees
- 50
- Inventors
- 225
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 11 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 2 |
| 2002 | 4 | 7 |
| 2003 | 10 | 7 |
| 2004 | 5 | 5 |
| 2005 | 4 | 3 |
| 2006 | 0 | 4 |
| 2007 | 4 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 4 |
| 2010 | 1 | 9 |
| 2011 | 5 | 3 |
| 2012 | 4 | 6 |
| 2013 | 5 | 8 |
| 2014 | 1 | 4 |
| 2015 | 3 | 0 |
| 2016 | 2 | 2 |
| 2017 | 3 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions28 Apr 2026US 12,613,064 B2Saipem S.P.A.
- Natural gas combined power generation process with zero carbon emission10 Nov 2020US 10,830,107 B2China University of Petroleum (East China)
- Method and device for oxygen production by low-temperature separation of air at variable energy consumption24 Oct 2017US 9,797,654 B2Linde Aktiengesellschaft
- Integrated method and apparatus for compressing air and producing carbon dioxide-rich fluid23 May 2017US 9,657,987 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System for ammonia production including hydrogen leak recovery from dry gas seals of hydrogen compressor, and method6 Feb 2025US 2025/0042753 A1Nuovo Pignone Tecnologie Srl
- System for storing and producing energy to stabilize the power network22 Feb 2024US 2024/0060717 A1Saipem S.P.A.
- Power generation process utilizing fuel, liquid air and/or oxygen with zero co2 emissions28 Dec 2023US 2023/0417482 A1Saipem S.P.A.
- Cooling system, air-conditioning system, motor assembly and associated methods20 Jul 2023US 2023/0228463 A1Eosgen-Technologies
- Method and system for decarbonized lng production11 Aug 2022US 2022/0252341 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Solid-fueled power generation system with carbon dioxide sequestration and method therefor203US 6,148,602 ANorther Research & Engineering Corporation · 2000
- Method and apparatus for cooling high temperature components in a gas turbine167US 6,487,863 B1Siemens Westinghouse Power Corporation · 2002
- Use of nitrogen from an air separation unit as gas turbine air compressor feed refrigerant to improve power output141US 5,388,395 AAir Products and Chemicals, Inc. · 1995
- 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