Airflow generation device and wind power generation system
US-10138871-B2 · Nov 27, 2018 · US
Adjusting aerodynamic properties of the blades
Adjusting aerodynamic properties of the blades · 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 | F03D7/022 |
| Official title | {Adjusting aerodynamic properties of the blades} |
| Display label | Adjusting aerodynamic properties of the blades |
| Total patents | 183 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 20 |
| 2017 | 16 |
| 2018 | 14 |
| 2019 | 19 |
| 2020 | 22 |
| 2021 | 7 |
| 2022 | 22 |
| 2023 | 14 |
| 2024 | 13 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for protecting wind turbines from extreme events
US-9841006-B2 · Dec 12, 2017 · US
Wind power generation system and wind power generation method
US-9841005-B2 · Dec 12, 2017 · US
Method for estimating a wind speed in a stable manner
US-2017314533-A1 · Nov 2, 2017 · US
Wind turbine blade and method of controlling the lift of such a blade
US-9803619-B2 · Oct 31, 2017 · US
Mitigating wind turbine blade noise generation in response to an atmospheric variation
US-9759196-B2 · Sep 12, 2017 · US
Wind turbine blade
US-9759191-B2 · Sep 12, 2017 · US
Method of operating a wind farm
US-9760069-B2 · Sep 12, 2017 · US
Rotatable aerodynamic surface features for wind turbine rotor blades
US-9752559-B2 · Sep 5, 2017 · US
Method for optimizing the operation of a wind turbine
US-9726144-B2 · Aug 8, 2017 · US
Apparatus and method for aerodynamic performance enhancement of a wind turbine
US-2017211545-A1 · Jul 27, 2017 · US
Airflow generation device and wind power generation system
US-9709032-B2 · Jul 18, 2017 · US
Wind turbine with optical pressure sensors and method for operating a wind turbine
US-2017191464-A1 · Jul 6, 2017 · US
Voltage application device, rotation apparatus and voltage application method
US-9644632-B2 · May 9, 2017 · US
Methods and systems for rotary wing active flow control
US-2017029102-A1 · Feb 2, 2017 · US
Structural health monitoring sensory system integrated to a self-adapting morphing system
US-2017021918-A1 · Jan 26, 2017 · US
Anti-oscillation apparatus and method for securing wind turbine blades against oscillations
US-2017002797-A1 · Jan 5, 2017 · US
Airflow generator power supply and wind turbine generator
US-2016377060-A1 · Dec 29, 2016 · US
Active bleed for airfoils
US-9512821-B2 · Dec 6, 2016 · US
Autonomous yaw control for a wind turbine
US-2016327023-A1 · Nov 10, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F03D7/022?
- CPC F03D7/022 is the Cooperative Patent Classification code for “Adjusting aerodynamic properties of the blades.”
- How many patents are filed under CPC F03D7/022 (Adjusting aerodynamic properties of the blades)?
- Our database includes 183 publications tagged with this CPC code.
- Is patent activity under CPC F03D7/022 growing?
- Publication counts under this code: 13 in 2024 vs 10 in 2025 (latest complete years).