Gas turbine engine with axial movable fan variable area nozzle
US-9822732-B2 · Nov 21, 2017 · US
Power plant control systems; Arrangement of power plant control systems in aircraft
Power plant control systems; Arrangement of power plant control systems in aircraft · 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 | B64D31/00 |
| Official title | Power plant control systems; Arrangement of power plant control systems in aircraft |
| Display label | Power plant control systems; Arrangement of power plant control systems in aircraft |
| Total patents | 901 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 23 |
| 2017 | 33 |
| 2018 | 48 |
| 2019 | 55 |
| 2020 | 107 |
| 2021 | 97 |
| 2022 | 131 |
| 2023 | 150 |
| 2024 | 123 |
| 2025 | 94 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for controlling solar panels in a solar propelled aircraft
US-9796478-B2 · Oct 24, 2017 · US
Method of monitoring at least one freewheel of a rotary wing aircraft, and an aircraft
US-2017267364-A1 · Sep 21, 2017 · US
Intelligent integrated control system and method
US-9688414-B2 · Jun 27, 2017 · US
Invertible aircraft
US-9650135-B2 · May 16, 2017 · US
Aircraft powerplant
US-9637240-B2 · May 2, 2017 · US
Aircraft control system and method
US-9604729-B2 · Mar 28, 2017 · US
Gas turbine engine with axial movable fan variable area nozzle
US-2017074209-A1 · Mar 16, 2017 · US
System and method for maximizing aircraft safe landing capability during one engine inoperative operation
US-9567091-B2 · Feb 14, 2017 · US
Invertible aircraft
US-9511859-B2 · Dec 6, 2016 · US
Method of automatically regulating a rotorcraft power plant, a rotorcraft power plant, and a rotorcraft
US-9488054-B2 · Nov 8, 2016 · US
Autonomous propulsion apparatus and methods
US-9481471-B2 · Nov 1, 2016 · US
Method of automatically regulating aircraft power plant gas generator and free turbine speeds as a function of heating, electricity generation, noise emission, and fuel consumption
US-9476360-B2 · Oct 25, 2016 · US
System and method for alerting and suppression of detonation and/or pre ignition phenomena in internal combustion engines by monitoring RPM fluctuation
US-9464589-B2 · Oct 11, 2016 · US
Device for displaying an energy variation and an energy variation bound of an aircraft
US-2016274739-A1 · Sep 22, 2016 · US
Method for optimum maximum range cruise speed in an aircraft
US-2016257420-A1 · Sep 8, 2016 · US
Thrust control valve and flying object
US-2016208743-A1 · Jul 21, 2016 · US
Method and a rotary wing aircraft having three engines
US-9387934-B2 · Jul 12, 2016 · US
Method of managing a power demand for the operation of a pilotless aircraft equipped with an internal combustion engine
US-2016167799-A1 · Jun 16, 2016 · US
Deep Stall Aircraft Landing
US-2016163206-A1 · Jun 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D31/00?
- CPC B64D31/00 is the Cooperative Patent Classification code for “Power plant control systems; Arrangement of power plant control systems in aircraft.”
- How many patents are filed under CPC B64D31/00 (Power plant control systems; Arrangement of power plant control systems in aircraft)?
- Our database includes 901 publications tagged with this CPC code.
- Is patent activity under CPC B64D31/00 growing?
- Publication counts under this code: 123 in 2024 vs 94 in 2025 (latest complete years).