Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01F
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
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1/00
Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
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G01F1/05
by using mechanical effects
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G01F1/20
by detection of dynamic effects of the flow
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G01F1/22
by variable-area meters; , e.g. rotameters
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G01F1/24
with magnetic or electric coupling to the indicating device
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