F02C 6/003
Gas-turbine plants with heaters between turbine stages
Official title: {Gas-turbine plants with heaters between turbine stages}
F02C6/003 (Gas-turbine plants with heaters between turbine stages) appears on 205 US grants and 139 published applications in this corpus.
Search patents in F02C- Granted patents
- 205
- Published applications
- 139
- Assignees
- 75
- Inventors
- 345
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 5 |
| 2003 | 3 | 2 |
| 2004 | 2 | 3 |
| 2005 | 3 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 6 |
| 2008 | 0 | 5 |
| 2009 | 7 | 6 |
| 2010 | 3 | 5 |
| 2011 | 4 | 6 |
| 2012 | 4 | 9 |
| 2013 | 6 | 9 |
| 2014 | 4 | 10 |
| 2015 | 4 | 11 |
| 2016 | 5 | 4 |
| 2017 | 12 | 6 |
| 2018 | 7 | 10 |
| 2019 | 7 | 3 |
| 2020 | 7 | 4 |
| 2021 | 5 | 6 |
| 2022 | 6 | 5 |
| 2023 | 3 | 1 |
| 2024 | 9 | 13 |
| 2025 | 8 | 5 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steam injected inter-turbine burner engine16 Jun 2026US 12,655,788 B2Rtx Corporation
- Testing secondary power system of aircraft powerplant19 May 2026US 12,631,525 B2Pratt & Whitney Canada Corp.
- Aircraft propulsion system with engine assembly, intercooler, and turbocompressor assembly17 Mar 2026US 12,576,979 B2Pratt & Whitney Canada Corp.
- Inter-turbine burner in recuperation cycle engine17 Mar 2026US 12,577,907 B2Rtx Corporation
- System and method having fluid injectors for isothermal expansion in turbine stage of gas turbine engine3 Feb 2026US 12,540,581 B2GE Vernova Infrastructure Technology LLC
- Engine system for an aircraft comprising means for heating dihydrogen before supplying an engine with dihydrogen20 Aug 2026US 2026/0243200 A1Airbus Operations GmbH
- System and method having isothermal combustion along set of turbine blades via varying fluid injection along set of turbine vanes18 Sep 2025US 2025/0290633 A1GE Vernova Infrastructure Technology LLC
- Aircraft propulsion system4 Sep 2025US 2025/0276795 A1Pratt & Whitney Canada Corp.
- System and method for generating electricity and heat from the combustion of tail gas containing biogenic methane using a gas turbine24 Jul 2025US 2025/0237171 A1Wm Intellectual Property Holdings, L.L.C.
- Sequential combustion gas turbine engine including a steam system for injecting steam to each combustor15 May 2025US 2025/0155124 A1General Electric Company
Most cited
By later US patents
- Carbon dioxide power cycle257US 4,498,289 A1985
- Reduce pollution hydrocarbon combustion gas generator174US 5,709,077 AClean Energy Systems, Inc. · 1998
- Reduced pollution power generation system163US 5,715,673 AClean Energy Systems, Inc. · 1998
- Low pollution power generation system with ion transfer membrane air separation154US 6,945,029 B2Clean Energy Systems, Inc. · 2005
- Compression intercooled gas turbine combined cycle136US 4,896,499 A1990