F02K 7/16
Composite ram-jet/turbo-jet engines
F02K7/16 (Composite ram-jet/turbo-jet engines) appears on 105 US grants and 90 published applications in this corpus.
Search patents in F02K- Granted patents
- 105
- Published applications
- 90
- Assignees
- 45
- Inventors
- 175
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 3 |
| 2007 | 2 | 4 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 4 | 4 |
| 2011 | 3 | 2 |
| 2012 | 1 | 2 |
| 2013 | 4 | 6 |
| 2014 | 4 | 2 |
| 2015 | 6 | 6 |
| 2016 | 3 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 8 |
| 2020 | 1 | 9 |
| 2021 | 5 | 3 |
| 2022 | 7 | 5 |
| 2023 | 4 | 6 |
| 2024 | 3 | 8 |
| 2025 | 5 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustion mode switching engine6 Oct 2026US 12,753,730 B2PD AeroSpace, LTD.
- Jet-propelled engine using discharged exhaust gas7 Apr 2026US 12,595,751 B1
- Inlet bleed diversion through rotating detonation rocket engine24 Feb 2026US 12,560,134 B1Venus Aerospace Corp.
- Aircraft propulsion system19 Aug 2025US 12,392,295 B2General Electric Company
- Ramjet propulsion method1 Jul 2025US 12,345,217 B2
- Advanced ram scoop concepts for rotating detonation enabled high-speed propulsion systems14 May 2026US 2026/0132760 A1General Electric Company
- Propulsion system using ramjet bleed air for gas turbine combustion18 Sep 2025US 2025/0290467 A1General Electric Company
- Combustion mode switching engine12 Jun 2025US 2025/0188893 A1PD AeroSpace, LTD.
- Ramjet propulsion method12 Sep 2024US 2024/0301844 A1
- Engine with rotating detonation combustion system29 Aug 2024US 2024/0287952 A1General Electric Company
Most cited
By later US patents
- Turbofan engine with a low pressure turbine driven supercharger in a bypass duct operated by a fuel rich combustor and an afterburner93US 5,867,980 AGeneral Electric Company · 1999
- Combination propulsion system for a flying craft92US 5,014,508 AMesserschmitt-Boelkow-Blohm GmbH · 1991
- Methods and apparatus for assembling a gas turbine engine59US 7,140,174 B2General Electric Company · 2006
- Variable cycle turbofan-ramjet engine54US 5,694,768 AGeneral Electric Company · 1997
- Method and apparatus for power generation using rotating ramjet which compresses inlet air and expands exhaust gas against stationary peripheral wall54US 5,709,076 A1998