Wind turbine with blades hinged at an intermediate position
US-11821407-B2 · Nov 21, 2023 · US
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with adjustable flow intercepting area (F05B2240/312 takes precedence)
with adjustable flow intercepting area (F05B2240/312 takes precedence) · 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 | F05B2240/313 |
| Official title | with adjustable flow intercepting area (F05B2240/312 takes precedence) |
| Display label | with adjustable flow intercepting area (F05B2240/312 takes precedence) |
| Total patents | 16 |
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 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pivot angle control of blades of a wind turbine with hinged blades
US-2022397091-A1 · Dec 15, 2022 · US
Wind turbine with hinged blades having a hinge position between inner and outer tip end of the blades
US-11319921-B2 · May 3, 2022 · US
A wind turbine with hinged blades having a hinge position between inner and outer tip end of the blades
US-2021215130-A1 · Jul 15, 2021 · US
Wind turbine with blades hinged at an intermediate position
US-2021207582-A1 · Jul 8, 2021 · US
Method for controlling air deflectors and pitch angles of wind turbine blades
US-10968888-B2 · Apr 6, 2021 · US
Blade adapter for wind turbines
US-10844833-B2 · Nov 24, 2020 · US
A method for controlling air deflectors and pitch angles of wind turbine blades
US-2019368467-A1 · Dec 5, 2019 · US
Upwind wind turbine
US-10443566-B2 · Oct 15, 2019 · US
Savonius rotor
US-10400747-B2 · Sep 3, 2019 · US
Blade adapter for wind turbines
US-2018313326-A1 · Nov 1, 2018 · US
Rotatable aerodynamic surface features for wind turbine rotor blades
US-9752559-B2 · Sep 5, 2017 · US
Savonius rotor
US-2017138344-A1 · May 18, 2017 · US
Manufacturing method of wind turbine blades of variable length
US-9651022-B2 · May 16, 2017 · US
Upwind wind turbine
US-2017022973-A1 · Jan 26, 2017 · US
Rotatable aerodynamic surface features for wind turbine rotor blades
US-2015204306-A1 · Jul 23, 2015 · US