Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Duane M. Eagen0
Date of Patent
August 30, 2016
0Patent Application Number
136494240
Date Filed
October 11, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed herein is a dual packing retainer and dual sealing ball valve for use generally in high pressure applications. Further disclosed herein are methods of detecting seal failure before the ball valve must be taken offline due to the presence of secondary or backup seals.
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