Liquid measuring devices

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4476719
SERIAL NO

06377425

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus for measuring flow and/or volume of a liquid preferably milk in which the milk is passed from a passageway (3,56) through a gap (5,46) which is long vertically but narrow in width so that a pool is formed in the passageway, the height of milk in the pool being a measure of the rate of flow of the milk. The levels maintained over predetermined intervals of time are integrated to give volume measurements. Measurements of levels are made by providing a resistor (8,32) in the passageway (3,56) so that the impedance is changed according to the liquid level and measuring such impedance.

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Patent Owner(s)

Patent OwnerAddress
AHI OPERATIONS LIMITED A CORP OF NEW ZEALAND640 GREAT SOUTH ROAD MANUKAU CITY AUCKLAND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Millar, Thomas D Hamilton, NZ 7 256
Phillips, Dougald S M Hamilton, NZ 4 27

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