Hydropower equipment with graded utilization of kinetic energy of flowing water
US-12454937-B2 · Oct 28, 2025 · US
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the flow engaging parts having a cyclic movement relative to the rotor during its rotation
the flow engaging parts having a cyclic movement relative to the rotor during its rotation · 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 | F03B17/065 |
| Official title | {the flow engaging parts having a cyclic movement relative to the rotor during its rotation} |
| Display label | the flow engaging parts having a cyclic movement relative to the rotor during its rotation |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydropower equipment with gradual utilization of kinetic energy of flowing water
US-2025243839-A1 · Jul 31, 2025 · US
Stop and go pig
US-12320461-B2 · Jun 3, 2025 · US
Imaging System and Method for Identifying a Boundary Between Active and Inactive Portions of a Digital Image and Applying Settings in Response
US-2024384698-A1 · Nov 21, 2024 · US
Stop & go pig
US-2022213999-A1 · Jul 7, 2022 · US
Device and method for swinging power generation and vibration suppression by using arc-shaped wing plates with rough surfaces
US-11306695-B2 · Apr 19, 2022 · US
Structure of electricity generation by ocean currents and the method of placing
US-2021355907-A1 · Nov 18, 2021 · US
Device and method for swinging power generation and vibration suppression by using arc-shaped wing plates with rough surfaces
US-2021239087-A1 · Aug 5, 2021 · US
Water-flow power generating apparatus
US-2021131397-A1 · May 6, 2021 · US
Device for retriving energy of flowing water for the riverside
US-10590907-B2 · Mar 17, 2020 · US
Harvesting energy from fluid flow
US-10574158-B2 · Feb 25, 2020 · US
Harvesting energy from fluid flow
US-10574157-B2 · Feb 25, 2020 · US
Harvesting energy from fluid flow
US-10560039-B2 · Feb 11, 2020 · US
Harvesting energy from fluid flow
US-10560040-B2 · Feb 11, 2020 · US
Savonius rotor
US-10400747-B2 · Sep 3, 2019 · US
Harvesting energy from fluid flow
US-2019253006-A1 · Aug 15, 2019 · US
Harvesting energy from fluid flow
US-2019253003-A1 · Aug 15, 2019 · US
Harvesting energy from fluid flow
US-2019253004-A1 · Aug 15, 2019 · US
Harvesting energy from fluid flow
US-2019253005-A1 · Aug 15, 2019 · US
Device for retriving energy of flowing water for the riverside
US-2019242358-A1 · Aug 8, 2019 · US