Wind power generation apparatus
US-2026063104-A1 · Mar 5, 2026 · US
Mechanical Engineering
Mechanical Engineering · 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 | F03D3/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 34 |
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 | 3 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wind power generation system
US-12467433-B2 · Nov 11, 2025 · US
Vortex station
US-2024418150-A1 · Dec 19, 2024 · US
Vortex station
US-12071936-B2 · Aug 27, 2024 · US
Wind power generation system
US-2024175424-A1 · May 30, 2024 · US
Vortex station
US-2024060472-A1 · Feb 22, 2024 · US
Efficient wind energy convertor without gearbox or multi-pole generator
US-11885302-B2 · Jan 30, 2024 · US
Sail-driven power generation system
US-11835028-B1 · Dec 5, 2023 · US
Vortex station
US-11739731-B2 · Aug 29, 2023 · US
Box-type wind power generation device and power generation device set
US-2022381219-A1 · Dec 1, 2022 · US
Integrated vertical axis wind power generation system
US-11236723-B2 · Feb 1, 2022 · US
Efficient wind energy convertor without gearbox or multi-pole generator
US-2021388812-A1 · Dec 16, 2021 · US
Wind power generation device
US-11143161-B2 · Oct 12, 2021 · US
Wind power generation device
US-2021047994-A1 · Feb 18, 2021 · US
Floating wind turbine having twin vertical-axis turbines with improved efficiency
US-10844834-B2 · Nov 24, 2020 · US
Integrated Vertical Axis Wind Power Generation System
US-2020217297-A1 · Jul 9, 2020 · US
Counter-rotating vertical axis wind turbine with deflector and vortex generators
US-10655598-B2 · May 19, 2020 · US
Vortex Station
US-2019309729-A1 · Oct 10, 2019 · US
Floating wind turbine having twin vertical-axis turbines with improved efficiency
US-2019128241-A1 · May 2, 2019 · US
Apparatus for wind energy production and air purification
US-10253754-B2 · Apr 9, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F03D3/02?
- CPC F03D3/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F03D3/02 (Mechanical Engineering)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC F03D3/02 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).