Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Bair0
Christopher Lindgren0
Scott Sakakura0
Simon Shin0
Date of Patent
January 22, 2019
0Patent Application Number
153423710
Date Filed
November 3, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A thermoplastic cage insert for a downhole valve utilized in oil production rod pumps and other downhole equipment has a full open bore with no structural member spanning across the bore of the cage insert. This design allows fluid to flow freely at the trailing end of the ball of the valve, maximizing the cross sectional flow area at the trailing end of the ball.
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