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.
Patent No.:
Date of Patent:
Aug. 23, 2011
Filed:
Jun. 27, 2007
Applicants:
John H. Stevens, Spring, TX (US);
James Leslie Overstreet, Tomball, TX (US);
Kenneth E. Gilmore, Cleveland, TX (US);
Jeremy K. Morgan, Midway, TX (US);
Inventors:
John H. Stevens, Spring, TX (US);
James Leslie Overstreet, Tomball, 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 10/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rotary drill bit includes a bit body substantially formed of a particle-matrix composite material having an exterior surface and an abrasive wear-resistant material disposed on at least a portion of the exterior surface of the bit body. Methods for applying an abrasive wear-resistant material to a surface of a drill bit are also provided.