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Zhengyin Wang
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Calgary, CA
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Patents Grants
last 30 patents
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Patent Grant
Multi-phase metering device for oilfield applications
Patent number
9,804,108
Issue date
Oct 31, 2017
Perm Instruments Inc.
Serguei I. Krioutchkov
G01 - MEASURING TESTING
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Patent Grant
Multi-phase metering device for oilfield applications
Patent number
8,659,293
Issue date
Feb 25, 2014
Perm Instruments Inc.
Serguei I. Krioutchkov
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
Multi-Phase Metering Device for Oilfield Applications
Publication number
20140077806
Publication date
Mar 20, 2014
Perm Instruments Inc.
Serguei I. Krioutchkov
G01 - MEASURING TESTING
Information
Patent Application
Multi-Phase Metering Device for Oilfield Applications
Publication number
20120092008
Publication date
Apr 19, 2012
Serguei I. Krioutchkov
G01 - MEASURING TESTING