Passive bypass for mitigation of inlet buzz in supersonic or hypersonic air-breathing engines
US-12221925-B1 · Feb 11, 2025 · US
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Composite ram-jet/rocket engines
Composite ram-jet/rocket engines · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02K7/18 |
| Official title | Composite ram-jet/rocket engines |
| Display label | Composite ram-jet/rocket engines |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Launch system and method
US-2024199237-A1 · Jun 20, 2024 · US
Integrated propulsion and warhead system for an artillery round
US-11486682-B2 · Nov 1, 2022 · US
Integrated propulsion and warhead system for an artillery round
US-2022128341-A1 · Apr 28, 2022 · US
Jet engine, flying object, and method of operating a jet engine
US-11203984-B2 · Dec 21, 2021 · US
Boost thrust rocket motor
US-2021102790-A1 · Apr 8, 2021 · US
Scramjet engine and flying object
US-2020362795-A1 · Nov 19, 2020 · US
Power modules for hypersonic vehicles
US-2020354070-A1 · Nov 12, 2020 · US
Jet engine, flying object, and method of operating a jet engine
US-10830439-B2 · Nov 10, 2020 · US
Jet engine, flying object and method of operating jet engine
US-10739004-B2 · Aug 11, 2020 · US
Fragmenting nozzle system
US-10690091-B2 · Jun 23, 2020 · US
Enhanced operability dual mode ramjet and scramjet engine ignition system
US-10451007-B1 · Oct 22, 2019 · US
Jet engine, flying object, and method of operating jet engine
US-10274199-B2 · Apr 30, 2019 · US
Fragmenting Nozzle System
US-2018298847-A1 · Oct 18, 2018 · US
Selectable ramjet propulsion system
US-9726115-B1 · Aug 8, 2017 · US
Jet engine, flying object and method of operating jet engine
US-2017067637-A1 · Mar 9, 2017 · US
Jet engine, flying object, and method of operating a jet engine
US-2017009665-A1 · Jan 12, 2017 · US
Jet engine, flying object, and method of operating a jet engine
US-2017009992-A1 · Jan 12, 2017 · US
Jet engine, flying object, and method of operating jet engine
US-2016363318-A1 · Dec 15, 2016 · US
Combined cycle integrated combustor and nozzle system
US-9291124-B2 · Mar 22, 2016 · US