F23R 3/18
Flame stabilising means
Official title: Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants
F23R3/18 (Flame stabilising means) appears on 416 US grants and 338 published applications in this corpus.
Search patents in F23R- Granted patents
- 416
- Published applications
- 338
- Assignees
- 118
- Inventors
- 845
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 11 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 0 |
| 2003 | 2 | 4 |
| 2004 | 1 | 11 |
| 2005 | 8 | 9 |
| 2006 | 8 | 8 |
| 2007 | 5 | 15 |
| 2008 | 5 | 4 |
| 2009 | 14 | 8 |
| 2010 | 5 | 9 |
| 2011 | 5 | 9 |
| 2012 | 6 | 14 |
| 2013 | 8 | 6 |
| 2014 | 8 | 30 |
| 2015 | 13 | 16 |
| 2016 | 11 | 22 |
| 2017 | 12 | 29 |
| 2018 | 17 | 28 |
| 2019 | 21 | 22 |
| 2020 | 31 | 20 |
| 2021 | 12 | 13 |
| 2022 | 20 | 10 |
| 2023 | 11 | 17 |
| 2024 | 19 | 16 |
| 2025 | 12 | 6 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas turbine engine and fuel-air mixer thereof4 Aug 2026US 12,698,899 B1General Electric Company
- System and method for fuel and inert gas injection in turbine section of gas turbine engine9 Jun 2026US 12,650,226 B1GE Vernova Infrastructure Technology LLC
- Turbine engine and combustor therefor26 May 2026US 12,638,181 B2General Electric Company
- Gas turbine combustor and gas turbine26 May 2026US 12,638,182 B2Mitsubishi Heavy Industries, Ltd.
- Injector assembly for an engine, and aircraft26 May 2026US 12,638,183 B2Rolls-Royce Deutschland Ltd & Co KG
- Burner assembly, gas turbine combustor, and gas turbine27 Aug 2026US 2026/0251305 A1Mitsubishi Heavy Industries, Ltd.
- 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
Most cited
By later US patents
- Synthetic jet actuator and applications thereof162US 5,758,823 AGeorgia Tech Research Corporation · 1998
- High inlet mach combustor for gas turbine engine135US 5,619,855 AGeneral Electric Company · 1997
- Synthetic jet actuators for cooling heated bodies and environments132US 6,123,145 AGeorgia Tech Research Corporation · 2000
- 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