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Jacob Hahn
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Pearland, TX, US
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last 30 patents
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Patent Grant
Gas lift barrier valve
Patent number
8,651,188
Issue date
Feb 18, 2014
Schlumberger Technology Corporation
Kevin T. Scarsdale
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
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Patent Application
GAS LIFT BARRIER VALVE
Publication number
20140138099
Publication date
May 22, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
Kevin T. Scarsdale
E21 - EARTH DRILLING MINING
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Patent Application
GAS LIFT BARRIER VALVE
Publication number
20110155391
Publication date
Jun 30, 2011
SCHLUMBERGER TECHNOLOGY CORPORATION
Kevin T. Scarsdale
E21 - EARTH DRILLING MINING