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:
Oct. 26, 2010
Filed:
Jul. 25, 2008
Rudolf Carl Pessier, Galveston, TX (US);
Don Q. Nguyen, Houston, TX (US);
Michael Steven Damschen, Houston, TX (US);
Michael L. Doster, Spring, TX (US);
Rudolf Carl Pessier, Galveston, TX (US);
Don Q. Nguyen, Houston, TX (US);
Michael Steven Damschen, Houston, TX (US);
Michael L. Doster, Spring, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
An earth-boring bit comprising a bit body configured at its upper extent for connection into a drillstring. A selected number of fixed blades extend downward from the bit body and a selected number of rolling cutters are mounted for rotation on the bit body. A plurality of rolling-cutter cutting elements are arranged on each rolling cutter and a plurality of fixed-blade cutting elements are arranged on each fixed blade. The selected number of fixed blades exceeds the selected number of rolling cutters by at least one.