Class Information
Number: 73/152.34
Name: Measuring and testing > Borehole or drilling (e.g., drill loading factor, drilling rate, rate of fluid flow) > Fluid flow measuring or fluid analysis > Rate of fluid flow > Rotary
Description: Subject matter which includes an element rotatable about an axis due to the flow of the fluid and the determination of the characteristic of the borehole, the casing, or the drill rigging is made by measuring the rate of rotation of the rotary element.
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Patents under this class:
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