Warning device, warning system for detecting water level in drainage well
US-11694537-B2 · Jul 4, 2023 · US
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Measuring flow in sewer systems
Measuring flow in sewer systems · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E03F2201/20 |
| Official title | Measuring flow in sewer systems |
| Display label | Measuring flow in sewer systems |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for determining a pumped flow from a pump and a flowmeter
US-2023175512-A1 · Jun 8, 2023 · US
Warning device, warning system for detecting water level in drainage well
US-2022309898-A1 · Sep 29, 2022 · US
Treatment of wastewater
US-11208339-B2 · Dec 28, 2021 · US
Treatment of wastewater
US-2020262726-A1 · Aug 20, 2020 · US
Pump system and method for determining the flow in a pump system
US-10480968-B2 · Nov 19, 2019 · US
Unit for treating flowing liquid
US-2017225982-A1 · Aug 10, 2017 · US
Pump system and method for determining the flow in a pump system
US-2017184429-A1 · Jun 29, 2017 · US