F02K 9/82
By injection of a secondary fluid into the rocket exhaust gases
Official title: by injection of a secondary fluid into the rocket exhaust gases
F02K9/82 (By injection of a secondary fluid into the rocket exhaust gases) appears on 62 US grants and 46 published applications in this corpus.
Search patents in F02K- Granted patents
- 62
- Published applications
- 46
- Assignees
- 42
- Inventors
- 98
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 1 |
| 2004 | 3 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 3 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 2 | 5 |
| 2021 | 2 | 4 |
| 2022 | 0 | 3 |
| 2023 | 4 | 2 |
| 2024 | 8 | 2 |
| 2025 | 1 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thrust vector control for hybrid propellants rocket engine with embedded fluid injection ports22 Sep 2026US 12,742,433 B2Laboratoire Reaction Dynamics Inc.
- Rocket engine with dual contour nozzle17 Feb 2026US 12,553,404 B2Innovative Rocket Technologies Inc.
- Rocket engine with dual contour nozzle28 Jan 2025US 12,209,558 B2Innovative Rocket Technologies Inc.
- Thrust vector control for hybrid propellants rocket engine with embedded fluid injection ports29 Oct 2024US 12,129,814 B2Laboratoire Reaction Dynamics Inc.
- Rocket engine with integrated oxidizer catalyst in manifold and injector assembly13 Aug 2024US 12,060,853 B2Laboratoire Reaction Dynamics Inc.
- Exhaust nozzle24 Jul 2025US 2025/0237184 A1BAE SYSTEMS plc
- Rocket engine with dual contour nozzle29 May 2025US 2025/0172111 A1Innovative Rocket Technologies Inc.
- Thrust vector control for hybrid propellants rocket engine with embedded fluid injection ports9 Jan 2025US 2025/0012237 A1Laboratoire Reaction Dynamics Inc.
- Rocket engine with dual contour nozzle8 Aug 2024US 2024/0263601 A1Innovative Rocket Technologies Inc.
- Rocket engine with dual contour nozzle18 Apr 2024US 2024/0125291 A1Innovative Rocket Technologies Inc.
Most cited
By later US patents
- Apparatus and method for controlling primary fluid flow using secondary fluid flow injection35US 6,679,048 B1Lockheed Martin Corporation · 2004
- Combustion nozzle fluidic injection assembly29US 7,775,460 B2United Technologies Corporation · 2010
- Asonic aerospike engine26US 6,213,431 B12001
- Rocket vehicle thrust augmentation within divergent section of nozzle25US 6,568,171 B2Aerojet-General Corporation · 2003
- Hybrid injection thrust vector control22US 6,354,074 B1Lockheed Martin Corporation · 2002