F02K 3/08
Plants including a gas turbine driving a compressor or a ducted fan
Official title: with supplementary heating of the working fluid; Control thereof (control of fuel supply therefor F02C9/26)
F02K3/08 (Plants including a gas turbine driving a compressor or a ducted fan) appears on 540 US grants and 593 published applications in this corpus.
Search patents in F02K- Granted patents
- 540
- Published applications
- 593
- Assignees
- 109
- Inventors
- 954
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 8 | 2 |
| 2003 | 4 | 5 |
| 2004 | 3 | 7 |
| 2005 | 7 | 16 |
| 2006 | 8 | 18 |
| 2007 | 9 | 17 |
| 2008 | 10 | 14 |
| 2009 | 13 | 17 |
| 2010 | 12 | 12 |
| 2011 | 8 | 12 |
| 2012 | 15 | 17 |
| 2013 | 12 | 22 |
| 2014 | 10 | 18 |
| 2015 | 21 | 33 |
| 2016 | 12 | 38 |
| 2017 | 18 | 34 |
| 2018 | 33 | 38 |
| 2019 | 42 | 33 |
| 2020 | 33 | 43 |
| 2021 | 35 | 26 |
| 2022 | 33 | 36 |
| 2023 | 40 | 31 |
| 2024 | 39 | 34 |
| 2025 | 46 | 41 |
| 2026 | 15 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Combustor for a micro-turbine gas generator28 Jul 2026US 12,693,020 B2Jetoptera, Inc.
- Framed heat exchanger for aircraft propulsion system16 Jun 2026US 12,654,871 B2Rtx Corporation
- Gas turbine engine with heat exchanger assembly19 May 2026US 12,631,143 B2General Electric Company
- Testing secondary power system of aircraft powerplant19 May 2026US 12,631,525 B2Pratt & Whitney Canada Corp.
- Open rotor nose cone ram air heat exchanger with exhaust of cooling air through static structure5 May 2026US 12,618,367 B2Rtx Corporation
- Engine system for an aircraft comprising means for heating dihydrogen before supplying an engine with dihydrogen20 Aug 2026US 2026/0243200 A1Airbus Operations GmbH
- Air system for aircraft propulsion system electric machine13 Aug 2026US 2026/0235075 A1Rtx Corporation
- Annular wall of aeronautical turbine engine and aeronautical turbine engine comprising such a wall23 Jul 2026US 2026/0210271 A1Safran Aircraft Engines
- Aircraft turbine engine comprising a heat exchange system23 Jul 2026US 2026/0210289 A1Safran
- Heat exchange system for an aircraft turbine engine23 Jul 2026US 2026/0210290 A1Safran
Most cited
By later US patents
- System and method for managing thermal issues in gas turbine engines128US 9,014,791 B2Echogen Power Systems, LLC · 2015
- Turbine engine with intercooler in bypass air passage118US 6,134,880 AConcepts ETI, Inc. · 2000
- Turbofan engine with a core driven supercharged bypass duct and fixed geometry nozzle111US 5,806,303 AGeneral Electric Company · 1998
- Gas turbine engine temperature modulated cooling flow96US 8,307,662 B2General Electric Company · 2012
- Aircraft combination engines thermal management system93US 7,836,680 B2United Technologies Corporation · 2010