Thin-walled earth boring tools and methods of making the same

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United States of America Patent

PATENT NO 10662716
APP PUB NO 20190106941A1
SERIAL NO

15727307

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Earth boring tools are described herein employing sintered cemented carbide compositions in conjunction with thin-walled architectures. In some embodiments, an earth boring tool comprises a drill bit comprising a cutting portion and a body portion, the body portion including a sintered cemented carbide shell having wall thickness of 5 percent to 25 percent of the drill bit diameter.

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Patent Owner(s)

  • KENNAMETAL INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brosnahan, John North Huntingdon, US 6 59
Prichard, Paul D Greensburg, US 30 532
Stark, Roger Jefferson Hills, US 4 40

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