F23R 3/36
Supply of different fuels
F23R3/36 (Supply of different fuels) appears on 540 US grants and 599 published applications in this corpus.
Search patents in F23R- Granted patents
- 540
- Published applications
- 599
- Assignees
- 119
- Inventors
- 1,088
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 3 |
| 2002 | 4 | 1 |
| 2003 | 5 | 7 |
| 2004 | 6 | 11 |
| 2005 | 6 | 11 |
| 2006 | 11 | 7 |
| 2007 | 3 | 10 |
| 2008 | 5 | 8 |
| 2009 | 5 | 17 |
| 2010 | 4 | 22 |
| 2011 | 12 | 25 |
| 2012 | 13 | 30 |
| 2013 | 14 | 30 |
| 2014 | 20 | 24 |
| 2015 | 27 | 31 |
| 2016 | 30 | 38 |
| 2017 | 16 | 41 |
| 2018 | 30 | 38 |
| 2019 | 32 | 25 |
| 2020 | 35 | 17 |
| 2021 | 23 | 17 |
| 2022 | 23 | 24 |
| 2023 | 24 | 35 |
| 2024 | 37 | 36 |
| 2025 | 48 | 43 |
| 2026 | 40 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual fuel combustor for a turbine engine29 Sep 2026US 12,747,863 B2General Electric Company
- Systems and methods for operating an aircraft engine using multiple fuel types15 Sep 2026US 12,736,012 B2Pratt & Whitney Canada Corp.
- Leakage gas emission system15 Sep 2026US 12,736,223 B2Mitsubishi Heavy Industries, Ltd.
- Systems and methods for operation of a flexible fuel combustor25 Aug 2026US 12,716,589 B28 Rivers Capital, LLC
- Turbine engine having a fuel nozzle assembly11 Aug 2026US 12,704,262 B2General Electric Company
- Gas turbine operation method and gas turbine equipment capable of executing same8 Oct 2026US 2026/0309099 A1Mitsubishi Heavy Industries, Ltd.
- Metal-based fuel and fuel delivery systems1 Oct 2026US 2026/0298136 A1Rtx Corporation
- Engine torsional frame for exhaust channel track selection24 Sep 2026US 2026/0287174 A1Rtx Corporation
- Combustor27 Aug 2026US 2026/0251306 A1Toyota Jidosha Kabushiki Kaisha
- Turbine engine having a combustion section with a fuel nozzle20 Aug 2026US 2026/0243430 A1General Electric Company
Most cited
By later US patents
- Methods and apparatus for a combustion turbine fuel recirculation system and nitrogen purge system173US 7,721,521 B2General Electric Company · 2010
- Staged combustion of a low heating value fuel gas for driving a gas turbine166US 6,201,029 B1Marathon Oil Company · 2001
- Gas turbine power generating machine164US 7,581,379 B2Hitachi, Ltd. · 2009
- Dual fuel mixer for gas turbine combustor141US 5,351,477 AGeneral Electric Company · 1994
- Fuel injection staged sectoral combustor for burning low-BTU fuel gas137US 4,253,301 AGeneral Electric Company · 1981