US Patent 9909387 Semi-autonomous insert valve for well system
Patent 9909387 was granted and assigned to Halliburton on March, 2018 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 26, 2012
Date of Patent
March 6, 2018
Patent Applicant
Patent Application Number
14436184
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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