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:
Sep. 20, 2011
Filed:
May. 16, 2008
Gregory T. Lockwood, Pearland, TX (US);
Jonan Fulenchek, Tomball, TX (US);
Gregory T. Lockwood, Pearland, TX (US);
Jonan Fulenchek, Tomball, TX (US);
Smith International, Inc,, Houston, TX (US);
Abstract
A drill bit that includes a body having a lower end face for engaging a rock formation is disclosed. The end face has a plurality of raised ribs extending from the face of the bit body and separated by a plurality of channels therebetween. At least one of the plurality of ribs has a leading portion and a trailing portion, the leading portion comprising a first matrix material impregnated with super abrasive particles and the trailing portion comprising a second matrix material impregnated with super abrasive particles, wherein the first and second matrix materials differ from each other.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile