A method for reducing rotor imbalance in a wind turbine
US-2025369420-A1 · Dec 4, 2025 · US
Balancing static or dynamic imbalances
Balancing static or dynamic imbalances · 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 | F03D13/35 |
| Official title | Balancing static or dynamic imbalances |
| Display label | Balancing static or dynamic imbalances |
| Total patents | 53 |
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 | 4 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotating unbalanced rotor hubs and installing wind turbine rotor blades
US-12372065-B2 · Jul 29, 2025 · US
Detecting rotor imbalance in a wind turbine
US-2024392753-A1 · Nov 28, 2024 · US
Core material for balanced rotor blade
US-12145722-B2 · Nov 19, 2024 · US
Rotating unbalanced rotor hubs and installing wind turbine rotor blades
US-2024328394-A1 · Oct 3, 2024 · US
Controlling flap loading on a wind turbine blade based on predicted flap loading
US-12006916-B2 · Jun 11, 2024 · US
Wind turbine blade
US-11939949-B2 · Mar 26, 2024 · US
Imbalance estimation for the wind rotor of a wind turbine
US-11927173-B2 · Mar 12, 2024 · US
Correcting blade pitch in a wind turbine
US-11879431-B2 · Jan 23, 2024 · US
Imbalance estimation for the wind rotor of a wind turbine
US-2023340942-A1 · Oct 26, 2023 · US
Wind turbine blade
US-2023323856-A1 · Oct 12, 2023 · US
Core material for balanced rotor blade
US-2023227152-A1 · Jul 20, 2023 · US
Method of erecting a wind turbine
US-11603822-B2 · Mar 14, 2023 · US
Core matertal for balanced rotor blade
US-11548627-B2 · Jan 10, 2023 · US
Method of balancing turbine blades
US-11499529-B2 · Nov 15, 2022 · US
Correcting blade pitch in a wind turbine
US-2022316442-A1 · Oct 6, 2022 · US
Method of erecting a wind turbine
US-2022252047-A1 · Aug 11, 2022 · US
Method for controlling a wind turbine when the power setpoint value is changed
US-11378060-B2 · Jul 5, 2022 · US
Method of erecting a wind turbine
US-11346324-B2 · May 31, 2022 · US
Weighing device for a wind turbine rotor blade
US-11333129-B2 · May 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F03D13/35?
- CPC F03D13/35 is the Cooperative Patent Classification code for “Balancing static or dynamic imbalances.”
- How many patents are filed under CPC F03D13/35 (Balancing static or dynamic imbalances)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC F03D13/35 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).