Pitch controlled wind turbine with blade connecting members and split blades
US-12258935-B2 · Mar 25, 2025 · US
of the blade tips only
of the blade tips only · 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 | F03D7/0228 |
| Official title | {of the blade tips only} |
| Display label | of the blade tips only |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A pitch controlled wind turbine with blade connecting members and split blades
US-2024159212-A1 · May 16, 2024 · US
Method and arrangement to detect an oil leakage between sections of a hydraulic cylinder
US-11549528-B2 · Jan 10, 2023 · US
Aero-elastically tailored wind blade tip joint
US-11268491-B2 · Mar 8, 2022 · US
Systems and methods for pitching of rotor blades
US-11118567-B2 · Sep 14, 2021 · US
Flow control arrangement for a wind turbine rotor blade
US-11078885-B2 · Aug 3, 2021 · US
Systems and methods for pitching of rotor blades
US-2020408193-A1 · Dec 31, 2020 · US
System for wind turbine blade actuation
US-10626846-B2 · Apr 21, 2020 · US
Method and arrangement to detect an oil leakage between sections of a hydraulic cylinder
US-2020063764-A1 · Feb 27, 2020 · US
Controlling rotational speed by changing blade profile
US-10570881-B2 · Feb 25, 2020 · US
Lifting surfaces and associated method
US-2019322354-A1 · Oct 24, 2019 · US
Aero-elastically tailored wind blade tip joint
US-2019277248-A1 · Sep 12, 2019 · US
Lifting surfaces and associated method
US-10343763-B2 · Jul 9, 2019 · US
Flow control arrangement for a wind turbine rotor blade
US-2019186463-A1 · Jun 20, 2019 · US
Wind turbine blade assembled from inboard part and outboard part having different types of load carrying structures
US-10253751-B2 · Apr 9, 2019 · US
System and method for controlling a wind turbine
US-10156224-B2 · Dec 18, 2018 · US
Improvements relating to wind turbines
US-10094359-B2 · Oct 9, 2018 · US
Flexible Extension for Wind Turbine Rotor Blades
US-2018258912-A1 · Sep 13, 2018 · US
System for wind turbine blade actuation
US-2018135596-A1 · May 17, 2018 · US
Controlling rotational speed by changing blade profile
US-2018058424-A1 · Mar 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F03D7/0228?
- CPC F03D7/0228 is the Cooperative Patent Classification code for “of the blade tips only.”
- How many patents are filed under CPC F03D7/0228 (of the blade tips only)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F03D7/0228 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).