US Patent 7210377 Cone erosion protection for roller cone drill bits
Patent 7210377 was granted and assigned to Smith International on May, 2007 by the United States Patent and Trademark Office.
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Patent abstract
A method of forming a drill bit structure, the method including fixing spacers to the drill bit structure. The spacers are arranged at preselected locations on an outer surface of the drill bit structure. A hardfacing material is then applied to the drill bit structure, and the spacers are removed. Holes are machined in the drill bit structure at the preselected locations, and drilling inserts are positioned in each hole.
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US Patent 07210377 Cone erosion protection for roller cone drill bits US Patent 7210377 Cone erosion protection for roller cone drill bits
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Patent Number
0721037700
Patent Number
721037700
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072103770
Date of Patent
May 1, 2007
0Patent Application Number
107745710
Date Filed
February 9, 2004
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072103770
Date of Patent
May 1, 2007
0Patent Application Number
107745710
Date Filed
February 9, 2004
0Official Website
Patent Primary Examiner
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US Patent 07210377 Cone erosion protection for roller cone drill bits
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07210377
Date of patent
May 1, 2007
Patent application number
10774571
Date Filed
February 9, 2004
Patent primary examiner
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