F02C 9/40
Specially adapted to the use of a special fuel or a plurality
Official title: specially adapted to the use of a special fuel or a plurality of fuels
F02C9/40 (Specially adapted to the use of a special fuel or a plurality) appears on 445 US grants and 612 published applications in this corpus.
Search patents in F02C- Granted patents
- 445
- Published applications
- 612
- Assignees
- 118
- Inventors
- 1,038
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 3 |
| 2003 | 2 | 5 |
| 2004 | 2 | 1 |
| 2005 | 2 | 6 |
| 2006 | 3 | 6 |
| 2007 | 2 | 4 |
| 2008 | 2 | 12 |
| 2009 | 5 | 16 |
| 2010 | 3 | 18 |
| 2011 | 15 | 19 |
| 2012 | 7 | 15 |
| 2013 | 12 | 24 |
| 2014 | 14 | 25 |
| 2015 | 15 | 33 |
| 2016 | 27 | 24 |
| 2017 | 15 | 17 |
| 2018 | 17 | 14 |
| 2019 | 17 | 12 |
| 2020 | 9 | 15 |
| 2021 | 18 | 18 |
| 2022 | 17 | 32 |
| 2023 | 38 | 72 |
| 2024 | 58 | 69 |
| 2025 | 71 | 82 |
| 2026 | 51 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Selecting fuel for use in multi-fuel aircraft powerplant based on operation settings of powerplant performance characteristics22 Sep 2026US 12,742,426 B2Pratt & Whitney Canada Corp.
- Method of operating an aircraft engine and fuel system using multiple fuel types25 Aug 2026US 12,716,387 B2Pratt & Whitney Canada Corp.
- Systems and methods for operation of a flexible fuel combustor25 Aug 2026US 12,716,589 B28 Rivers Capital, LLC
- 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.
- Hydrogen supply system for an aircraft engine with a turbo-pump and a low-pressure burner8 Oct 2026US 2026/0309084 A1Airbus Operations GmbH
- Gas turbine operation method and gas turbine equipment capable of executing same8 Oct 2026US 2026/0309099 A1Mitsubishi Heavy Industries, Ltd.
- Combustion system and control method8 Oct 2026US 2026/0309100 A1IHI Corporation
- Combustion system and control method8 Oct 2026US 2026/0309101 A1IHI Corporation
- Fuel scheduling1 Oct 2026US 2026/0298156 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Coal gasification power generation plant280US 4,442,665 AGeneral Electric Company · 1984
- Modular fuel conditioning system175US 6,901,735 B2Pipeline Controls, Inc. · 2005
- System for temperature and actuation control and method of controlling fluid temperatures in an aircraft171US 9,656,762 B2General Electric Company · 2017
- Systems and methods utilizing turbine compressor discharge for hydrostatic manifold purge102US 10,968,837 B1BJ Energy Solutions, LLC · 2021
- Methods and systems for supplying fuel to gas turbine engines84US 11,015,536 B2BJ Energy Solutions, LLC · 2021