US Patent 7841427 Optimized central PDC cutter and method
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Patent abstract
A drill bit, insert and method useful for subterranean drilling, or forming boreholes in subterranean formations is provided. More particularly, a more efficient cutting structure and method is provided in the central portion of a PDC drill bit. The present invention provides a drill bit, insert and method having a central cutting portion with a more normalized angle of attack. The drill bit of the present invention provides for various attack angles much closer to the optimum side rake.
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Patent Inventor Names
James Shamburger0
Vincent Salvo0
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US Patent 07841427 Optimized central PDC cutter and method US Patent 7841427 Optimized central PDC cutter and method
Infobox
Patent Number
078414270
Patent Number
78414270
Edits on 22 Apr, 2023
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Patent Jurisdiction
Patent Number
078414270
Date of Patent
November 30, 2010
0Patent Application Number
122188320
Date Filed
July 18, 2008
0Official Website
Patent Primary Examiner
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US Patent 07841427 Optimized central PDC cutter and method
Infobox
Is a
Patent jurisdiction
Patent number
07841427
Date of patent
November 30, 2010
Patent application number
12218832
Date Filed
July 18, 2008
Patent primary examiner
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