Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 17, 2020
Patent Application Number
15705013
Date Filed
September 14, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
A hydraulic control circuit component such as a valve is configured which sliding surfaces. At least one of the sliding surfaces is configured as a single crystal material, such as ruby or sapphire.
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