Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Andrei Gregory Filippov0
Neil Philip Thomson0
Date of Patent
October 6, 2009
Patent Application Number
10555476
Date Filed
May 3, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A pipe expansion device having an expansion cone tapering in forward direction, a cone-guide, an actuator for displacing the expansion cone and the elongated cone-guide relative to each other, a retrievable end anchor, and a middle anchor joined to the expansion cone.
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