High-productivity drill bits

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United States of America Patent

PATENT NO 9784038
SERIAL NO

14034605

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Drill bits having flushing channels and surface features that cooperate to evacuate cuttings. The surface features can be provided as flutes, fins, and/or ribs defined in a body portion of the bits. Optionally, the surface features can define back-cutting edges the permit back reaming.

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Patent Owner(s)

  • LONGYEAR TM, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Case, Michael Mississauga, CA 33 395
Hogan, Jeff Brampton, CA 7 23
Matkar, Tushar Mississauga, CA 2 2

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