F02C
Gas-turbine plants
Official title: GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS (construction of turbines F01D; jet-propulsion plants F02K; construction of compressors or fans F04; generating combustion products of high pressure or high velocity F23R; using gas turbines in compression refrigeration plants F25B11/00)
F02C (Gas-turbine plants) appears on 26,386 US grants and 27,966 published applications in this corpus.
Search patents in F02C- Granted patents
- 26,386
- Published applications
- 27,966
- Assignees
- 2,778
- Inventors
- 30,876
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 178 | 0 |
| 1977 | 142 | 0 |
| 1978 | 106 | 0 |
| 1979 | 101 | 0 |
| 1980 | 139 | 0 |
| 1981 | 153 | 0 |
| 1982 | 84 | 0 |
| 1983 | 114 | 0 |
| 1984 | 137 | 0 |
| 1985 | 119 | 0 |
| 1986 | 94 | 0 |
| 1987 | 136 | 0 |
| 1988 | 133 | 0 |
| 1989 | 134 | 0 |
| 1990 | 123 | 0 |
| 1991 | 137 | 0 |
| 1992 | 201 | 0 |
| 1993 | 185 | 0 |
| 1994 | 171 | 0 |
| 1995 | 139 | 0 |
| 1996 | 112 | 0 |
| 1997 | 140 | 0 |
| 1998 | 168 | 0 |
| 1999 | 155 | 0 |
| 2000 | 209 | 0 |
| 2001 | 287 | 70 |
| 2002 | 280 | 243 |
| 2003 | 313 | 323 |
| 2004 | 302 | 436 |
| 2005 | 291 | 431 |
| 2006 | 309 | 440 |
| 2007 | 210 | 507 |
| 2008 | 243 | 553 |
| 2009 | 319 | 699 |
| 2010 | 411 | 909 |
| 2011 | 484 | 795 |
| 2012 | 598 | 878 |
| 2013 | 681 | 1282 |
| 2014 | 800 | 1409 |
| 2015 | 880 | 1515 |
| 2016 | 957 | 2022 |
| 2017 | 1166 | 1867 |
| 2018 | 1555 | 1968 |
| 2019 | 1920 | 1684 |
| 2020 | 2003 | 1922 |
| 2021 | 1721 | 1505 |
| 2022 | 1696 | 1416 |
| 2023 | 1563 | 1409 |
| 2024 | 1588 | 1393 |
| 2025 | 1415 | 1291 |
| 2026 | 884 | 999 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- F02C 7/00Features, components parts, details or accessories, not provided for in, or of17,639
- F02C 3/00Gas-turbine plants characterised by the use of combustion products as the working6,619
- F02C 9/00Controlling gas-turbine plants5,920
- F02C 6/00Plural gas-turbine plants5,666
- F02C 1/00Gas-turbine plants characterised by the use of hot gases or unheated pressurised1,099
- F02C 5/00Gas-turbine plants characterised by the working fluid being generated by intermittent combustion336
Recent patents
- Air-oil separator6 Oct 2026US 12,752,225 B2Pratt & Whitney Canada Corp.
- Systems and methods of servicing equipment6 Oct 2026US 12,752,747 B2General Electric Company
- Autonomous modular flare gas conversion systems and methods6 Oct 2026US 12,753,138 B2M2X Energy Inc.
- Turbine engine with a blade assembly having a set of cooling conduits6 Oct 2026US 12,753,696 B2General Electric Company
- Motorized compressor device with air bearing having reduced axial and radial stack-up6 Oct 2026US 12,753,707 B2Garrett Transportation I Inc.
- Gas turbine engine fuel system8 Oct 2026US 2026/0306970 A1General Electric Company
- Fluid system and method of separating oil from air in aircraft engine8 Oct 2026US 2026/0306988 A1Pratt & Whitney Canada Corp.
- Aircraft hybrid electric propulsion system8 Oct 2026US 2026/0307813 A1Pratt & Whitney Canada Corp.
- Autonomous Modular Flare Gas Conversion Systems and Methods8 Oct 2026US 2026/0308093 A1M2X Energy Inc.
- Turbine engine component with a cooling aperture8 Oct 2026US 2026/0309042 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
- Mobile electric power generation for hydraulic fracturing of subsurface geological formations496US 9,534,473 B2Evolution Well Services, LLC · 2017
- Geartrain coupling for a turbofan engine421US 7,021,042 B2United Technologies Corporation · 2006
- Epicyclic gear train integral sun gear coupling design409US 7,591,754 B2United Technologies Corporation · 2009
- Geared drive system for a bladed propulsor402US 5,466,198 AUnited Technologies Corporation · 1995