F02C 3/24
The fuel or oxidant being liquid at standard temperature and pressure
Official title: the fuel or oxidant being liquid at standard temperature and pressure
F02C3/24 (The fuel or oxidant being liquid at standard temperature and pressure) appears on 173 US grants and 214 published applications in this corpus.
Search patents in F02C- Granted patents
- 173
- Published applications
- 214
- Assignees
- 77
- Inventors
- 404
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 5 |
| 2003 | 2 | 3 |
| 2004 | 4 | 1 |
| 2005 | 1 | 4 |
| 2006 | 2 | 2 |
| 2007 | 0 | 5 |
| 2008 | 1 | 4 |
| 2009 | 3 | 5 |
| 2010 | 3 | 7 |
| 2011 | 7 | 3 |
| 2012 | 4 | 4 |
| 2013 | 1 | 5 |
| 2014 | 4 | 10 |
| 2015 | 3 | 9 |
| 2016 | 4 | 6 |
| 2017 | 4 | 5 |
| 2018 | 5 | 9 |
| 2019 | 4 | 12 |
| 2020 | 9 | 10 |
| 2021 | 18 | 14 |
| 2022 | 9 | 11 |
| 2023 | 10 | 19 |
| 2024 | 18 | 20 |
| 2025 | 18 | 19 |
| 2026 | 14 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of operating an aircraft engine and fuel system using multiple fuel types25 Aug 2026US 12,716,387 B2Pratt & Whitney Canada Corp.
- Aircraft engine and method of operating aircraft engine for reducing nonvolatile particulate matter emissions11 Aug 2026US 12,704,090 B2ROLLS-ROYCE plc
- Fuel systems and methods for purging4 Aug 2026US 12,698,743 B2Pratt & Whitney Canada Corp.
- Multi-fuel gas turbine engine with water injection16 Jun 2026US 12,655,789 B2Pratt & Whitney Canada Corp.
- Powerplant fuel system utilizing ammonia2 Jun 2026US 12,644,408 B2Pratt & Whitney Canada Corp.
- Combustion system and control method8 Oct 2026US 2026/0309100 A1IHI Corporation
- Operating a gas turbine engine30 Jul 2026US 2026/0218658 A1ROLLS-ROYCE plc
- Fueldraulic heat management system30 Jul 2026US 2026/0218659 A1ROLLS-ROYCE plc
- Fuel oil supply device9 Jul 2026US 2026/0194019 A1Mitsubishi Heavy Industries, Ltd.
- Fuel-cooled engine component(s)2 Jul 2026US 2026/0185485 A1Rtx Corporation
Most cited
By later US patents
- Reduce pollution hydrocarbon combustion gas generator174US 5,709,077 AClean Energy Systems, Inc. · 1998
- Gas turbine power generating machine164US 7,581,379 B2Hitachi, Ltd. · 2009
- Reduced pollution power generation system163US 5,715,673 AClean Energy Systems, Inc. · 1998
- Reduced pollution power generation system having multiple turbines and reheater121US 5,956,937 AClean Energy Systems, Inc. · 1999
- Ultra low emissions fast starting power plant100US 7,827,794 B1Clean Energy Systems, Inc. · 2010