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Dennis M. Collins
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Spring, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Bridge plug with selectivity opened through passage
Patent number
9,518,440
Issue date
Dec 13, 2016
Baker Hughes Incorporated
James S. Sanchez
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Through Tubing Diverter for Multi-lateral Treatment without Top Str...
Publication number
20170328177
Publication date
Nov 16, 2017
BAKER HUGHES INCORPORATED
Joseph Sheehan
E21 - EARTH DRILLING MINING
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Patent Application
Bridge Plug with Selectively Opened Through Passage
Publication number
20150285024
Publication date
Oct 8, 2015
BAKER HUGHES INCORPORATED
James S. Sanchez
E21 - EARTH DRILLING MINING