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:
Apr. 14, 2015
Filed:
Jun. 22, 2010
Yuri Burhan, Spring, TX (US);
Gregory T. Lockwood, Pearland, TX (US);
Jonan Fulencheck, Tomball, TX (US);
Michael G. Azar, The Woodlands, TX (US);
Yuri Burhan, Spring, TX (US);
Gregory T. Lockwood, Pearland, TX (US);
Jonan Fulencheck, Tomball, TX (US);
Michael G. Azar, The Woodlands, TX (US);
Smith International, Inc., Houston, TX (US);
Abstract
In one aspect, an impregnated drill bit is provided having at least one insert positioned within at least one of the plurality of blades such that the insert spans more than 75% of the height of the blade and at least a portion of the blade has a blade height of at least 40 mm. In another aspect, an impregnated drill bit is provided having a plurality of blades with at least a portion of at least one blade having a blade height of at least 60 mm. Also provided are methods of manufacturing such impregnated drill bits.