US Patent 7013999 Wedge tooth cutter element for drill bit
Patent 7013999 was granted and assigned to Smith International on March, 2006 by the United States Patent and Trademark Office.
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Patent abstract
A cutter element for a rolling cone bit includes a cutting surface having front and back surfaces, a pair of flanking surfaces that intersect in a rounded nose that is offset from the central axis of the cutter element's base. At least one flanking surface includes a concave region. The back surface presents a generally wedge-shaped top profile.
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Patent Inventor Names
John Tufts0
Date of Patent
March 21, 2006
0Patent Application Number
106281910
Date Filed
July 28, 2003
0Patent Primary Examiner
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US Patent 7013999 Wedge tooth cutter element for drill bit
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