F02C 6/00
Plural gas-turbine plants
Official title: Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
F02C6/00 (Plural gas-turbine plants) appears on 5,666 US grants and 6,293 published applications in this corpus.
Search patents in F02C- Granted patents
- 5,666
- Published applications
- 6,293
- Assignees
- 1,138
- Inventors
- 9,309
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 12 | 0 |
| 1978 | 20 | 0 |
| 1979 | 31 | 0 |
| 1980 | 28 | 0 |
| 1981 | 37 | 0 |
| 1982 | 19 | 0 |
| 1983 | 25 | 0 |
| 1984 | 23 | 0 |
| 1985 | 29 | 0 |
| 1986 | 18 | 0 |
| 1987 | 18 | 0 |
| 1988 | 12 | 0 |
| 1989 | 29 | 0 |
| 1990 | 19 | 0 |
| 1991 | 16 | 0 |
| 1992 | 26 | 0 |
| 1993 | 24 | 0 |
| 1994 | 24 | 0 |
| 1995 | 30 | 0 |
| 1996 | 29 | 0 |
| 1997 | 28 | 0 |
| 1998 | 32 | 0 |
| 1999 | 33 | 0 |
| 2000 | 47 | 0 |
| 2001 | 57 | 21 |
| 2002 | 52 | 41 |
| 2003 | 59 | 60 |
| 2004 | 54 | 102 |
| 2005 | 53 | 68 |
| 2006 | 54 | 94 |
| 2007 | 41 | 100 |
| 2008 | 39 | 110 |
| 2009 | 58 | 167 |
| 2010 | 82 | 219 |
| 2011 | 104 | 222 |
| 2012 | 146 | 250 |
| 2013 | 143 | 277 |
| 2014 | 179 | 306 |
| 2015 | 197 | 307 |
| 2016 | 216 | 367 |
| 2017 | 252 | 369 |
| 2018 | 324 | 408 |
| 2019 | 347 | 393 |
| 2020 | 456 | 415 |
| 2021 | 407 | 385 |
| 2022 | 372 | 361 |
| 2023 | 409 | 376 |
| 2024 | 389 | 357 |
| 2025 | 351 | 280 |
| 2026 | 193 | 238 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02C 6/04Gas-turbine plants providing heated or pressurised working fluid for other apparatus2,937
- F02C 6/18Plural gas-turbine plants: using the waste heat of gas-turbine plants outside the1,160
- F02C 6/14Gas-turbine plants having means for storing energy702
- F02C 6/20Adaptations of gas-turbine plants for driving vehicles589
- F02C 6/003Gas-turbine plants with heaters between turbine stages205
- F02C 6/02Plural gas-turbine plants having a common power output155
- F02C 6/006Open cycle gas-turbine in which the working fluid is expanded to a47
Recent patents
- Motorized compressor device with air bearing having reduced axial and radial stack-up6 Oct 2026US 12,753,707 B2Garrett Transportation I Inc.
- Turbine engine cleaning and protection system6 Oct 2026US 12,753,718 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Methods of modifying existing gas turbine engine design to create a combined storage engine and simple cycle peaker product6 Oct 2026US 12,753,719 B2Powerphase International, LLC
- Inducer assembly for a turbine engine29 Sep 2026US 12,746,491 B2General Electric Company
- Heat exchange system to transfer waste heat from electrical load to compressed air energy storage system29 Sep 2026US 12,747,693 B1Brightnight Power LLC
- Aircraft hybrid electric propulsion system8 Oct 2026US 2026/0307813 A1Pratt & Whitney Canada Corp.
- Variable bleed valve assemblies8 Oct 2026US 2026/0309077 A1General Electric Company
- Method for controlling a turbine engine comprising an electric machine8 Oct 2026US 2026/0309095 A1Safran Aircraft Engines
- Thermal storage and power generation systems and methods1 Oct 2026US 2026/0298140 A1247Solar Inc.
- Aircraft exhaust waste heat recovery for icing mitigation1 Oct 2026US 2026/0298141 A1General Electric Company
Most cited
By later US patents
- Arrangement for controlling fluid jets injected into a fluid stream1,018US 7,976,213 B2United Technologies Corporation · 2011
- Geared drive system for a bladed propulsor402US 5,466,198 AUnited Technologies Corporation · 1995
- Power plant utilizing compressed air energy storage and saturation333US 5,491,969 AElectric Power Research Institute, Inc. · 1996
- Power generating system302US 4,754,607 AAllied-Signal Inc. · 1988
- Utilization of energy obtained by substoichiometric combustion of low heating value gases296US 4,299,086 AGulf Research & Development Company · 1981