Instrument for direct measurement of air content in a liquid using a resonant electroacoustic transducer
US12049023B2 · kind B2 · utility
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Key dates
| Filing date | May 7, 2020 |
| Grant date | Jul 30, 2024 |
| Priority date | — |
| Expiry date | Feb 11, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/02809
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus and method for measurement and monitoring of physical properties of materials, such as liquids, and more particularly to acoustic instruments, methods, and systems that automatically measure air content in real-time within liquids, including concrete, mortar, or other hydratable cementitious mix suspensions using resonant electroacoustic transducers that have their radiating surfaces in contact with the liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.