Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 17, 2017
Patent Application Number
14754382
Date Filed
June 29, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
An improved bypass valve assembly for a plunger lift apparatus comprises a bypass valve cage having improved flow characteristics and a simplified clutch assembly having enhanced durability and low cost.
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