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using radioactive radiation
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CPC
G01F23/306
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Parent Industries
G
PHYSICS
G01
Measuring instruments
G01F
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL METERING BY VOLUME
G01F23/00
Indicating or measuring liquid level, or level of fluent solid material
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G01F23/306
using radioactive radiation
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Patents Grants
last 30 patents
Information
Patent Grant
Simultaneous fluid flow and fluid density measurements using rotame...
Patent number
5,045,692
Issue date
Sep 3, 1991
Halliburton Logging Services, Inc.
Dan M. Arnold
E21 - EARTH DRILLING MINING
Information
Patent Grant
3111581
Patent number
3,111,581
Issue date
Nov 19, 1963
G01 - MEASURING TESTING
Information
Patent Grant
2933601
Patent number
2,933,601
Issue date
Apr 19, 1960
G01 - MEASURING TESTING
Information
Patent Grant
2456233
Patent number
2,456,233
Issue date
Dec 14, 1948
G01 - MEASURING TESTING
Patents Applications
last 30 patents