Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Bair0
Simon Shin0
Date of Patent
April 9, 2024
0Patent Application Number
179553740
Date Filed
September 28, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
A cage for a down-hole valve for a hydrocarbon well has no internal guides for directing a ball as it travels from a closed position in which the ball is disposed against a ball seat to an open position where the ball is urged against a ball stop structure. The cage has an internal conical profile which inhibits ball sticking, reduces ball lift acceleration, and allows for a full-open flow area through the cage.
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