F23R 3/20
Incorporating fuel injection means
Official title: incorporating fuel injection means
F23R3/20 (Incorporating fuel injection means) appears on 258 US grants and 234 published applications in this corpus.
Search patents in F23R- Granted patents
- 258
- Published applications
- 234
- Assignees
- 78
- Inventors
- 572
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 6 |
| 2005 | 6 | 7 |
| 2006 | 4 | 7 |
| 2007 | 4 | 12 |
| 2008 | 5 | 4 |
| 2009 | 11 | 5 |
| 2010 | 4 | 6 |
| 2011 | 3 | 7 |
| 2012 | 4 | 13 |
| 2013 | 7 | 5 |
| 2014 | 6 | 21 |
| 2015 | 12 | 10 |
| 2016 | 7 | 15 |
| 2017 | 5 | 18 |
| 2018 | 13 | 22 |
| 2019 | 16 | 12 |
| 2020 | 19 | 8 |
| 2021 | 8 | 9 |
| 2022 | 11 | 6 |
| 2023 | 8 | 14 |
| 2024 | 10 | 9 |
| 2025 | 8 | 5 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas turbine engine and fuel-air mixer thereof4 Aug 2026US 12,698,899 B1General Electric Company
- Turbine engine and combustor therefor26 May 2026US 12,638,181 B2General Electric Company
- Injector assembly for an engine, and aircraft26 May 2026US 12,638,183 B2Rolls-Royce Deutschland Ltd & Co KG
- Rotating detonation-enabled augmentor systems17 Feb 2026US 12,553,612 B2General Electric Company
- Burner and combustion method for a burner16 Dec 2025US 12,498,117 B2Fives Pillard
- Gas turbine engine and fuel-air mixer thereof6 Aug 2026US 2026/0227068 A1General Electric Company
- Reheat assembly for a gas turbine engine25 Jun 2026US 2026/0177008 A1ROLLS-ROYCE plc
- Reheater interface25 Jun 2026US 2026/0177009 A1ROLLS-ROYCE plc
- Fuel injector for a gas turbine engine25 Jun 2026US 2026/0177010 A1ROLLS-ROYCE plc
- Flameholder for a reheat assembly25 Jun 2026US 2026/0177244 A1ROLLS-ROYCE plc
Most cited
By later US patents
- High inlet mach combustor for gas turbine engine135US 5,619,855 AGeneral Electric Company · 1997
- Turbine containing system and an injector therefor101US 6,868,676 B1General Electric Company · 2005
- Method and apparatus for spraying fuel within a gas turbine engine92US 6,668,541 B2Allison Advanced Development Company · 2003
- Trapped vortex cavity afterburner91US 7,225,623 B2General Electric Company · 2007
- Burner configurations for staged combustion89US 4,021,188 ATokyo Gas Co., Ltd. · 1977