4. Measuring and testing
  5. Vibration
  6. By mechanical waves

Cornelis J. Drost

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Acoustically coupled ultrasonic transit time flow sensors

Measuring and testing – Volume or rate of flow – By measuring vibrations or acoustic energy
Reexamination Certificate

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Electroacoustic transducer calibration method and apparatus

Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent

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Electroacoustic transducer calibration method and apparatus

Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent

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Method and apparatus to determine an initial flow rate in a...

Measuring and testing – Volume or rate of flow
Reexamination Certificate

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Method and apparatus to determine an initial flow rate in a...

Measuring and testing – Volume or rate of flow – By measuring transit time of tracer or tag
Reexamination Certificate

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Profile ID: LFUS-PAI-P-492457

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