F02K 7/14
With external combustion
Official title: with external combustion, e.g. scram-jet engines
F02K7/14 (With external combustion) appears on 59 US grants and 62 published applications in this corpus.
Search patents in F02K- Granted patents
- 59
- Published applications
- 62
- Assignees
- 40
- Inventors
- 157
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 6 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 6 |
| 2020 | 3 | 5 |
| 2021 | 4 | 2 |
| 2022 | 7 | 7 |
| 2023 | 6 | 2 |
| 2024 | 2 | 5 |
| 2025 | 7 | 3 |
| 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.
- Thermal management for ramjet-RDRE configuration of RBCC10 Mar 2026US 12,571,361 B2Venus Aerospace Corp.
- Sensing of isolator shock systems6 Jan 2026US 12,516,637 B1General Electric Company
- Systems and methods for producing traveling waves along surfaces exposed to supersonic fluid flows23 Sep 2025US 12,420,915 B2The Texas A&M University System
- Detachable strut structure in combustion chamber of scramjet-oblique detonation engine9 Sep 2025US 12,410,764 B1
- Advanced ram scoop concepts for rotating detonation enabled high-speed propulsion systems14 May 2026US 2026/0132760 A1General Electric Company
- Thermal management for ramjet-rdre configuration of rbcc28 Aug 2025US 2025/0270970 A1Venus Aerospace Corp.
- Systems and methods for producing traveling waves along surfaces exposed to supersonic fluid flows24 Jul 2025US 2025/0236384 A1The Texas A&M University System
- Combustion mode switching engine12 Jun 2025US 2025/0188893 A1PD AeroSpace, LTD.
- Engine for an aircraft19 Sep 2024US 2024/0309830 A1General Electric Company
Most cited
By later US patents
- Multiple-propellant air vehicle and propulsion system20US 4,811,556 AGeneral Electric Company · 1989
- Scram jet engine design15US 6,715,293 B2United Technologies Corporation · 2004
- Single-stage hypersonic vehicle featuring advanced swirl combustion15US 7,762,077 B2Pratt & Whitney Rocketdyne, Inc. · 2010
- Integrated air inlet system for multi-propulsion aircraft engines12US 7,216,474 B2Aerojet-General Corporation · 2007
- Multiple-propellant air vehicle and propulsion system10US 4,835,959 AGeneral Electric Company · 1989