US Patent 9033070 Rolling cutter
Patent 9033070 was granted and assigned to Smith International on May, 2015 by the United States Patent and Trademark Office.
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Patent abstract
A cutting element for a drill bit includes an outer support element and an inner rotatable cutting element, a portion of which is disposed in the outer support element, where the inner rotatable cutting element has a body with a non-planar cutting face.
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Patent Inventor Names
Jiaqing Yu0
Madapusi K. Keshavan0
Youhe Zhang0
Yuelin Shen0
Zhou Yong0
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US Patent 09033070 Rolling cutter US Patent 9033070 Rolling cutter
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Patent Number
09033070
Patent Number
9033070
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Official Website
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US Patent 09033070 Rolling cutter
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Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
09033070
Date of patent
May 19, 2015
Patent application number
14456436
Date Filed
August 11, 2014
Patent primary examiner
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