F25J 2240/80
Hot exhaust gas turbine combustion engine
F25J2240/80 (Hot exhaust gas turbine combustion engine) appears on 160 US grants and 166 published applications in this corpus.
Search patents in F25J- Granted patents
- 160
- Published applications
- 166
- Assignees
- 97
- Inventors
- 338
- Latest grant
- 25 Aug 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 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 2 |
| 2002 | 4 | 4 |
| 2003 | 6 | 4 |
| 2004 | 1 | 5 |
| 2005 | 3 | 4 |
| 2006 | 3 | 2 |
| 2007 | 2 | 4 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 12 |
| 2011 | 4 | 14 |
| 2012 | 0 | 8 |
| 2013 | 6 | 9 |
| 2014 | 6 | 12 |
| 2015 | 5 | 11 |
| 2016 | 5 | 7 |
| 2017 | 9 | 6 |
| 2018 | 11 | 8 |
| 2019 | 3 | 6 |
| 2020 | 5 | 4 |
| 2021 | 4 | 5 |
| 2022 | 5 | 11 |
| 2023 | 5 | 8 |
| 2024 | 4 | 5 |
| 2025 | 9 | 6 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions25 Aug 2026US 12,716,650 B2Saipem S.P.A.
- 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.
- Integrated gas turbine cycle and liquid air energy conversion system10 Feb 2026US 12,546,252 B2Praxair Technology, Inc.
- Cryogenic cooling system for an aircraft15 Jul 2025US 12,358,630 B2Rtx Corporation
- Cryogenic air separation enhanced gas turbine21 May 2026US 2026/0139621 A1Rtx Corporation
- Integrated gas turbine cycle and liquid air energy conversion system14 May 2026US 2026/0132739 A1
- Integrated gas turbine cycle and liquid air energy conversion system5 Feb 2026US 2026/0036081 A1Praxair Technology, Inc.
- Systems and methods for lng refrigeration and liquefaction14 Aug 2025US 2025/0257939 A1Fluor Technologies Corporation
- Heat recovery in a lng plant13 Mar 2025US 2025/0084774 A1
Most cited
By later US patents
- Closed cycle gas turbine for gaseous production199US 4,434,613 AGeneral Electric Company · 1984
- 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
- Integrated process for converting hydrocarbon gas to liquids124US 6,248,794 B1Atlantic Richfield Company · 2001
- Zero emissions closed rankine cycle power system124US 7,882,692 B2Clean Energy Systems, Inc. · 2011