Measuring the flow rate of fluids
US-2025297875-A1 · Sep 25, 2025 · US
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by measuring phase differences
by measuring phase differences · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01P5/248 |
| Official title | {by measuring phase differences} |
| Display label | by measuring phase differences |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid flow measuring apparatus
US-2025027800-A1 · Jan 23, 2025 · US
Grain cleaning system and method of controlling such
US-12133484-B2 · Nov 5, 2024 · US
Flow sensor performing multi level down sampling and method thereof
US-12123758-B2 · Oct 22, 2024 · US
Systems and methods for operation of a sonic anemometer
US-12085430-B2 · Sep 10, 2024 · US
Ultrasonic anemometers systems for sensing air flows in rooms and ducts
US-11994532-B2 · May 28, 2024 · US
Electronic Devices With Anemometers
US-2024085449-A1 · Mar 14, 2024 · US
Method of measuring the speed of a fluid
US-11740112-B2 · Aug 29, 2023 · US
Systems and methods for determining wind velocity
US-11680959-B2 · Jun 20, 2023 · US
Flow sensor performing multi level down sampling and method thereof
US-2022251948-A1 · Aug 11, 2022 · US
Acoustic airspeed sensors and processing techniques
US-11397192-B2 · Jul 26, 2022 · US
Acoustic airspeed sensors and processing techniques
US-2022137084-A1 · May 5, 2022 · US
Ultrasonic anemometers systems for sensing air flows in rooms and ducts
US-2022099697-A1 · Mar 31, 2022 · US
Grain cleaning system and method of controlling such
US-2022046856-A1 · Feb 17, 2022 · US
Systems and methods for operation of a sonic anemometer
US-2021207984-A1 · Jul 8, 2021 · US
Systems and methods for determining wind velocity
US-2021181231-A1 · Jun 17, 2021 · US
Systems and methods for determining wind velocity
US-10935564-B2 · Mar 2, 2021 · US
Method of measuring the speed of a fluid
US-2021010840-A1 · Jan 14, 2021 · US
Rotating three-dimensional ultrasonic anemometer and method of measuring three-dimensional wind velocity using the same
US-10871502-B2 · Dec 22, 2020 · US
Systems and methods for determining wind velocity
US-2020284819-A1 · Sep 10, 2020 · US