F02K 9/52
Injectors
F02K9/52 (Injectors) appears on 259 US grants and 201 published applications in this corpus.
Search patents in F02K- Granted patents
- 259
- Published applications
- 201
- Assignees
- 133
- Inventors
- 544
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 12 | 1 |
| 2002 | 5 | 2 |
| 2003 | 6 | 3 |
| 2004 | 3 | 5 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 3 |
| 2008 | 0 | 7 |
| 2009 | 3 | 7 |
| 2010 | 7 | 13 |
| 2011 | 5 | 4 |
| 2012 | 8 | 7 |
| 2013 | 6 | 7 |
| 2014 | 7 | 6 |
| 2015 | 4 | 5 |
| 2016 | 8 | 7 |
| 2017 | 1 | 12 |
| 2018 | 4 | 12 |
| 2019 | 8 | 6 |
| 2020 | 6 | 13 |
| 2021 | 18 | 8 |
| 2022 | 15 | 20 |
| 2023 | 20 | 14 |
| 2024 | 18 | 13 |
| 2025 | 13 | 14 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-frequency pulsed co-axial injector system and method for high-speed flow mixing and control18 Aug 2026US 12,708,912 B2Tuskegee University
- Systems and methods for design, manufacture, and test of space thruster propulsion systems11 Aug 2026US 12,704,101 B2Agile Space Industries, Inc.
- Device for autonomous rocketry28 Jul 2026US 12,692,826 B2
- Injector with injector elements in circumferential rows that alternate between counter-clockwise and clockwise swirl16 Jun 2026US 12,655,814 B2Aerojet Rocketdyne, Inc.
- Modular injector bolt for an engine24 Mar 2026US 12,584,632 B2Rtx Corporation
- Systems and methods for rotating detonation combustion satellite thrusters18 Jun 2026US 2026/0168464 A1Juno Propulsion Inc.
- Standing normal detonation jet engine and method of producing a standing normal detonation wave4 Jun 2026US 2026/0153065 A1University of Central Florida Research Foundation, Inc.
- Thruster for orbital maneuvers, propulsion system for orbital maneuvers and orbital transport vehicle14 May 2026US 2026/0132761 A1D-Orbit S.P.A.
- Ignition and operation of liquid fuel powered rocket engine30 Apr 2026US 2026/0117727 A1Venus Aerospace Corp.
- Rocket Motor and Components Thereof19 Mar 2026US 2026/0078719 A1Dawn Aerospace Limited
Most cited
By later US patents
- Reduce pollution hydrocarbon combustion gas generator174US 5,709,077 AClean Energy Systems, Inc. · 1998
- Reduced pollution power generation system163US 5,715,673 AClean Energy Systems, Inc. · 1998
- Reduced pollution power generation system having multiple turbines and reheater121US 5,956,937 AClean Energy Systems, Inc. · 1999
- Method of injecting a first and a second fuel component and injection head for a rocket44US 6,050,085 ADeutsches Zentrum fuer Luft- und Raumfahrt e. V. · 2000
- Combination turbojet-ramjet-rocket propulsion system41US 5,052,176 ASociete Nationale d'Etude et de Construction de Moteurs d'Aviation · 1991