Equalization tank assemblies for wastewater systems
US-12546280-B2 · Feb 10, 2026 · US
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Water wheels {(of swinging flap type F03B17/06)}
Water wheels {(of swinging flap type F03B17/06)} · 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 | F03B7/00 |
| Official title | Water wheels {(of swinging flap type F03B17/06)} |
| Display label | Water wheels {(of swinging flap type F03B17/06)} |
| Total patents | 21 |
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 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Equalization tank assemblies for wastewater systems
US-2025163881-A1 · May 22, 2025 · US
Water wheel, hydraulic power generation device, and hydraulic power generation system
US-2025012247-A1 · Jan 9, 2025 · US
Triboelectric nanogenerator (teng) and power generation device based on plant fiber and modified tribo-electronegative material
US-2024195329-A1 · Jun 13, 2024 · US
Hydroelectric power generation system
US-11313343-B2 · Apr 26, 2022 · US
Hydraulic turbine suspending device
US-11053909-B2 · Jul 6, 2021 · US
Hydroelectric power generation apparatus
US-10947950-B2 · Mar 16, 2021 · US
Hydroelectric power generation apparatus
US-2020277928-A1 · Sep 3, 2020 · US
Hydroelectric power generation apparatus
US-10648449-B2 · May 12, 2020 · US
Water turbine device and hydraulic power generation device
US-10641238-B2 · May 5, 2020 · US
In-bank veritcal axis hydropower system
US-10502178-B2 · Dec 10, 2019 · US
Hydroelectric power generation system
US-2019331086-A1 · Oct 31, 2019 · US
Hydraulic turbine suspending device
US-2019195187-A1 · Jun 27, 2019 · US
Hydroelectric power generation apparatus
US-2019072065-A1 · Mar 7, 2019 · US
In-bank vertical axis hydropower system
US-2018258903-A1 · Sep 13, 2018 · US
System for controlling water turbine generator for waterworks
US-9869292-B2 · Jan 16, 2018 · US
Pressure exchange noise reduction
US-9695795-B2 · Jul 4, 2017 · US
Nutating fluid-mechanical energy converter
US-9309862-B2 · Apr 12, 2016 · US
Fluid device
US-2015369258-A1 · Dec 24, 2015 · US
System for controlling water turbine generator for waterworks
US-2015260151-A1 · Sep 17, 2015 · US