F02C 3/20
Gas-turbine plants characterised by the use of combustion products as the working
Official title: using a special fuel, oxidant, or dilution fluid to generate the combustion products
F02C3/20 (Gas-turbine plants characterised by the use of combustion products as the working) appears on 2,181 US grants and 2,372 published applications in this corpus.
Search patents in F02C- Granted patents
- 2,181
- Published applications
- 2,372
- Assignees
- 654
- Inventors
- 3,848
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 14 | 0 |
| 1980 | 19 | 0 |
| 1981 | 14 | 0 |
| 1982 | 12 | 0 |
| 1983 | 14 | 0 |
| 1984 | 15 | 0 |
| 1985 | 13 | 0 |
| 1986 | 7 | 0 |
| 1987 | 24 | 0 |
| 1988 | 19 | 0 |
| 1989 | 11 | 0 |
| 1990 | 20 | 0 |
| 1991 | 18 | 0 |
| 1992 | 17 | 0 |
| 1993 | 32 | 0 |
| 1994 | 26 | 0 |
| 1995 | 19 | 0 |
| 1996 | 19 | 0 |
| 1997 | 28 | 0 |
| 1998 | 28 | 0 |
| 1999 | 27 | 0 |
| 2000 | 33 | 0 |
| 2001 | 44 | 13 |
| 2002 | 45 | 30 |
| 2003 | 36 | 29 |
| 2004 | 27 | 48 |
| 2005 | 35 | 46 |
| 2006 | 21 | 41 |
| 2007 | 18 | 70 |
| 2008 | 24 | 62 |
| 2009 | 30 | 73 |
| 2010 | 51 | 110 |
| 2011 | 50 | 92 |
| 2012 | 47 | 81 |
| 2013 | 66 | 112 |
| 2014 | 63 | 143 |
| 2015 | 72 | 108 |
| 2016 | 72 | 94 |
| 2017 | 86 | 99 |
| 2018 | 79 | 75 |
| 2019 | 68 | 61 |
| 2020 | 71 | 78 |
| 2021 | 81 | 74 |
| 2022 | 65 | 108 |
| 2023 | 94 | 157 |
| 2024 | 164 | 229 |
| 2025 | 199 | 205 |
| 2026 | 113 | 134 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02C 3/22The fuel or oxidant being gaseous at standard temperature and pressure817
- F02C 3/30Adding water, steam or other fluids for influencing combustion767
- F02C 3/26The fuel or oxidant being solid or pulverulent451
- F02C 3/24The fuel or oxidant being liquid at standard temperature and pressure173
- F02C 3/205In a fluidised-bed combustor124
Recent patents
- Autonomous modular flare gas conversion systems and methods6 Oct 2026US 12,753,138 B2M2X Energy Inc.
- Dilute combustion of hydrogen in retrofitted gas turbine engines6 Oct 2026US 12,753,722 B2University of Florida Research Foundation, Inc.
- Aircraft comprising a dihydrogen supply system and a dihydrogen heat treatment system6 Oct 2026US 12,753,723 B2Airbus Operations GmbH
- Gas turbine engine including hydrogen-compatible fuel-air mixer with multi-jet mixing tube6 Oct 2026US 12,753,923 B2General Electric Company
- Airframe-integrated water injection storage system and methods of using29 Sep 2026US 12,747,692 B1Rtx Corporation
- Autonomous Modular Flare Gas Conversion Systems and Methods8 Oct 2026US 2026/0308093 A1M2X Energy Inc.
- Liquid hydrogen pumping system8 Oct 2026US 2026/0309078 A1Eaton Intelligent Power Limited
- Combustion system and control method8 Oct 2026US 2026/0309100 A1IHI Corporation
- Sign detection device, sign detection method, and sign detection program1 Oct 2026US 2026/0298106 A1Mitsubishi Heavy Industries, Ltd.
- Metal-based fuel and fuel delivery systems1 Oct 2026US 2026/0298136 A1Rtx Corporation
Most cited
By later US patents
- System for pumping hydraulic fracturing fluid using electric pumps342US 9,410,410 B2U.S. Well Services, LLC · 2016
- Substoichiometric combustion of low heating value gases325US 4,381,641 AGulf Research & Development Company · 1983
- Method of power generation via coal gasification and liquid hydrocarbon synthesis315US 3,986,349 AChevron Research Company · 1976
- Coal gasification and hydrogen production system and method301US 5,955,039 ASiemens Westinghouse Power Corporation · 1999
- Synthesis gas production system and method299US 6,085,512 ASyntroleum Corporation · 2000