Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Luigi Peveri0
Date of Patent
January 14, 2020
Patent Application Number
15516021
Date Filed
October 1, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A valve assembly for drilling systems comprising a bidirectional valve (1) cooperating with a hydraulic clamping device (2) and being applied to a drilling machine for supplying a drilling fluid in two discrete directions, the valve assembly comprising a valve outer body adapted to be arranged between drilling rods while allowing said rod to be exchanged while keeping the mud continuously circulating.
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