Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark C. Boner0
Paula K. Gurney0
Date of Patent
December 5, 2006
0Patent Application Number
107678730
Date Filed
January 29, 2004
0Patent Primary Examiner
Patent abstract
The present invention provides an apparatus and method for controlling the flow of fluids through a conveyance with a hydraulic valve including a flexible portion. The flexible portion is positioned in the conveyance so that fluid enters the membrane from an upper containment space and the expansion of the flexible portion causes the valve to restrict or block the flow of fluid being controlled through the conveyance.
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