F23R 3/38
Comprising rotary fuel injection means
Official title: comprising rotary fuel injection means
F23R3/38 (Comprising rotary fuel injection means) appears on 79 US grants and 66 published applications in this corpus.
Search patents in F23R- Granted patents
- 79
- Published applications
- 66
- Assignees
- 41
- Inventors
- 147
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 4 |
| 2006 | 4 | 0 |
| 2007 | 1 | 4 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 1 |
| 2014 | 5 | 8 |
| 2015 | 0 | 2 |
| 2016 | 2 | 3 |
| 2017 | 4 | 6 |
| 2018 | 4 | 4 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 4 | 0 |
| 2022 | 0 | 3 |
| 2023 | 3 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 5 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated combustor liner shaft fuel injection28 Jul 2026US 12,693,021 B2Rtx Corporation
- Modular injector bolt for an engine24 Mar 2026US 12,584,632 B2Rtx Corporation
- Multi-fuel combustion system6 Jan 2026US 12,516,818 B2General Electric Company
- Method of operating a rotating detonation combustor18 Nov 2025US 12,474,056 B1General Electric Company
- Central staged combustion chamber with self-excited sweeping oscillating fuel injection nozzles25 Feb 2025US 12,234,989 B2Aero Engine Academy of China
- Method for performing mechanical work, arrangement for performing mechanical work, and method for converting mechanical energy into electrical energy24 Sep 2026US 2026/0287177 A1
- Gas turbine engine dual fuel combustor and method of operation11 Jun 2026US 2026/0160422 A1Pratt & Whitney Canada Corp.
- Gas turbine engine with fuel distributing compressor impeller30 Apr 2026US 2026/0117980 A1Pratt & Whitney Canada Corp.
- Parallel-jets combustion chamber of a turbine engine25 Dec 2025US 2025/0389422 A1Prvni brnenska strojirna Velka Bites, a.s.
- Super compact combustor13 Nov 2025US 2025/0347417 A1Rtx Corporation
Most cited
By later US patents
- Nested core gas turbine engine195US 7,219,490 B2D-Star Engineering · 2007
- Nested core gas turbine engine61US 6,647,707 B22003
- Counterflow single rotor turbojet and method59US 5,224,339 AAllied-Signal Inc. · 1993
- Gas turbine engine operating method59US 5,341,636 A1994
- Combined pilot and main burner57US 4,305,255 AROLLS-ROYCE plc · 1981