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US Patent 7377341 Thermally stable ultra-hard material compact construction

Patent 7377341 was granted and assigned to Smith International on May, 2008 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
Smith International
Smith International
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
73773410
Patent Inventor Names
J. Daniel Belnap0
Anthony Griffo0
Nephi Mourik0
Stewart N. Middlemiss0
Thomas W. Oldham0
Date of Patent
May 27, 2008
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Patent Application Number
111404820
Date Filed
May 26, 2005
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Patent Citations Received
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US Patent 11766761 Group II metal salts in electrolytic leaching of superabrasive materials
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US Patent 12023782 Leached superabrasive elements and systems, methods and assemblies for processing superabrasive materials
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0
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US Patent 11946320 Polycrystalline diamond elements and systems and methods for fabricating the same
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Patent Primary Examiner
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William P. Neuder
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Patent abstract

Thermally stable ultra-hard compact constructions of this invention comprise an ultra-hard material body that includes a thermally stable region positioned adjacent a surface of the body. The thermally stable region is formed from consolidated materials that are thermally stable at temperatures greater than about 750° C. The thermally stable region can occupy a partial portion of or the entire ultra-hard material body. The ultra-hard material body can comprise a composite of separate ultra-hard material elements that each form different regions of the body, at least one of the regions being thermally stable. The ultra-hard material body is attached to a desired substrate, an intermediate material is interposed between the body and the substrate, and the intermediate material joins the substrate and body together by high pressure/high temperature process.

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