Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Adam K. Collins0
Bradley H. Hines0
Brian W. Koehn0
Jeffrey A. Earles0
Paul W. Scheierl0
Date of Patent
December 25, 2018
Patent Application Number
14579551
Date Filed
December 22, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
A drive system for a pump includes a housing defining an internal pressure chamber, a working fluid disposed within and charging the internal pressure chamber, and a reciprocating member disposed within the internal pressure chamber. The reciprocating member has a pull chamber. A pull is secured within the pull chamber, and a fluid displacement member is coupled to the pull.
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