4. Measuring and testing
  5. Fluid pressure gauge
  6. Vibration type

Henry H. B. Karplus

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Apparatus for checking the direction of polarization of shear-wa

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
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Digital pressure transducer for use at high temperatures

Measuring and testing – Fluid pressure gauge – Vibration type
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Doppler flowmeter

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

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Ultrasonic transducer with laminated coupling wedge

Electrical generator or motor structure – Educational or construction units or kits
Patent

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Profile ID: LFUS-PAI-P-1587992

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