4. Measuring and testing
  5. Volume or rate of flow
  6. By measuring vibrations or acoustic energy

Roger J. Williamson

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Apparatus for measuring fluid flow

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

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Crystal resonator device

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent

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Fibre optic transducer

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Flowmeter

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

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Fluid flowmeter

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

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Profile ID: LFUS-PAI-P-4142

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