Aircraft propulsion unit comprising at least one pressure relief device and aircraft having at least one such propulsion unit
US-12583600-B2 · Mar 24, 2026 · US
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using gas pressure
using gas pressure · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64D37/24 |
| Official title | using gas pressure |
| Display label | using gas pressure |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel distribution system, method, and hydrogen aircraft
US-2025319985-A1 · Oct 16, 2025 · US
Gas supply for aircraft applications
US-2025289582-A1 · Sep 18, 2025 · US
Aircraft propulsion unit comprising at least one pressure relief device and aircraft having at least one such propulsion unit
US-2024278922-A1 · Aug 22, 2024 · US
Fuel extraction system, fuel tank apparatus having a fuel extraction system, and fuel cell system having a fuel extraction system
US-11434019-B2 · Sep 6, 2022 · US
Oil reservoir vent valve
US-11383854-B2 · Jul 12, 2022 · US
Catalytic fuel tank inerting systems for aircraft
US-11155358-B2 · Oct 26, 2021 · US
Oil reservoir vent valve
US-2021197980-A1 · Jul 1, 2021 · US
Aircraft fuel system
US-11021260-B2 · Jun 1, 2021 · US
Catalytic fuel tank inerting systems for aircraft
US-2020317359-A1 · Oct 8, 2020 · US
Fuel extraction system, fuel tank apparatus having a fuel extraction system, and fuel cell system having a fuel extraction system
US-2020309324-A1 · Oct 1, 2020 · US
Aircraft fuel system
US-2018370649-A1 · Dec 27, 2018 · US
Tanker aircraft capacity extension system and method
US-9873519-B2 · Jan 23, 2018 · US
Aircraft fuel system
US-9809319-B2 · Nov 7, 2017 · US
Fuel storage device, an aircraft, and a method
US-9623980-B2 · Apr 18, 2017 · US
Tanker Aircraft Capacity Extension System and Method
US-2017043879-A1 · Feb 16, 2017 · US
Aircraft fuel system
US-2016009406-A1 · Jan 14, 2016 · US