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Harry Wade Bullock
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Montgomery, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Shear seal check valve for use in wellbore fluid
Patent number
9,714,556
Issue date
Jul 25, 2017
Baker Hughes Incorporated
Shawn A. Olsen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for storing energy and multiplying force to pr...
Patent number
7,258,167
Issue date
Aug 21, 2007
Baker Hughes Incorporated
Michael Shammai
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
SHEAR SEAL CHECK VALVE FOR USE IN WELLBORE FLUID
Publication number
20150129784
Publication date
May 14, 2015
BAKER HUGHES INCORPORATED
Shawn A. Olsen
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for storing energy and multiplying force to pr...
Publication number
20060076144
Publication date
Apr 13, 2006
BAKER HUGHES INCORPORATED
Michael Shammai
E21 - EARTH DRILLING MINING