Auxiliary power unit with pulse detonation combustion
US-12510249-B2 · Dec 30, 2025 · US
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using valveless combustion chambers
using valveless combustion chambers · 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 | F02C5/11 |
| Official title | using valveless combustion chambers |
| Display label | using valveless combustion chambers |
| Total patents | 16 |
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 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft power plant with detonation combustion tube
US-12203429-B2 · Jan 21, 2025 · US
Auxiliary power unit with pulse detonation combustion
US-2024426482-A1 · Dec 26, 2024 · US
Aircraft power plant with detonation combustion tube
US-2024200510-A1 · Jun 20, 2024 · US
Multiple chamber rotating detonation combustor
US-11674476-B2 · Jun 13, 2023 · US
Thermal Attenuation Structure For Detonation Combustion System
US-2019242582-A1 · Aug 8, 2019 · US
Gas dynamic valve
US-2019072052-A1 · Mar 7, 2019 · US
Multiple chamber rotating detonation combustor
US-2018355822-A1 · Dec 13, 2018 · US
Gas dynamic valve
US-10151271-B2 · Dec 11, 2018 · US
Hybrid wave rotor propulsion system
US-9920689-B2 · Mar 20, 2018 · US
Pulsed detonation engine
US-9909533-B2 · Mar 6, 2018 · US
Systems and Methods for Anti-Phase Operation of Pulse Combustors
US-2018058319-A1 · Mar 1, 2018 · US
Standing detonation wave engine
US-9841192-B2 · Dec 12, 2017 · US
Hybrid Wave Rotor Propulsion System
US-2016194087-A1 · Jul 7, 2016 · US
Gas dynamic valve
US-2016025040-A1 · Jan 28, 2016 · US
Standing detonation wave engine
US-2015285506-A1 · Oct 8, 2015 · US