Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Staffan I. Kaempe0
Date of Patent
December 27, 2005
0Patent Application Number
099160910
Date Filed
July 26, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A novel bi-rotational pump adapted to pump fluid in either of two directions by reason of construction inclusive of passageways and an array of check valves and pilot pistons which cooperate in one direction and in another way in the other direction.
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