US Patent 7250069 High-strength, high-toughness matrix bit bodies
Patent 7250069 was granted and assigned to Smith International on July, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Kumar T. Kembaiyan0
Thomas W. Oldham0
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Patent abstract
A new composition for forming a matrix body which includes spherical sintered tungsten carbide and an infiltration binder including one or more metals or alloys is disclosed. In some embodiments, the composition may include a Group VIIIB metal selected from one of Ni, Co, Fe, and alloys thereof. Moreover, the composition may also include cast tungsten carbide. In addition, the composition may also include carburized tungsten carbide.
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US Patent 07250069 High-strength, high-toughness matrix bit bodies US Patent 7250069 High-strength, high-toughness matrix bit bodies
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Patent Number
072500690
Patent Number
72500690
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Current Assignee
Patent Jurisdiction
Patent Number
072500690
Date of Patent
July 31, 2007
0Patent Application Number
104648730
Date Filed
June 18, 2003
0Official Website
Patent Primary Examiner
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US Patent 07250069 High-strength, high-toughness matrix bit bodies
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07250069
Date of patent
July 31, 2007
Patent application number
10464873
Date Filed
June 18, 2003
Patent primary examiner
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