The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 02, 2010

Filed:

May. 18, 2007
Applicants:

James L. Overstreet, Tomball, TX (US);

Robert J. Buske, The Woodlands, TX (US);

Kenneth E. Gilmore, Cleveland, TX (US);

Jeremy K. Morgan, Midway, TX (US);

Inventors:

James L. Overstreet, Tomball, TX (US);

Robert J. Buske, The Woodlands, TX (US);

Kenneth E. Gilmore, Cleveland, TX (US);

Jeremy K. Morgan, Midway, TX (US);

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A drill bit having steel teeth is provided with a combination of hardfacing materials on the teeth. The bases of the teeth are hardfaced with nickel-based materials to significantly reduce any potential cracking therein. Portions of the supporting cones adjacent the teeth also may be fabricated with the nickel-based hardfacing. All other portions of the teeth are hardfaced with iron-based materials.


Find Patent Forward Citations

Overstreet, James. (2010). Steel tooth drill bit with improved tooth breakage resistance (U.S. Patent No. 7654346). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7654346

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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