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Stefan SROKA
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Katy, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Viscometer for downhole use
Patent number
9,574,437
Issue date
Feb 21, 2017
Baker Hughes Incorporated
Ansgar Cartellieri
E21 - EARTH DRILLING MINING
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Patent Grant
Flexibility of downhole fluid analyzer pump module
Patent number
9,255,474
Issue date
Feb 9, 2016
Baker Hughes Incorporated
Stefan Sroka
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
VISCOMETER FOR DOWNHOLE USE
Publication number
20130025359
Publication date
Jan 31, 2013
BAKER HUGHES INCORPORATED
Ansgar CARTELLIERI
G01 - MEASURING TESTING