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:
Mar. 09, 2010
Filed:
Mar. 30, 2006
Applicants:
Floyd C. Felderhoff, Montgomery, TX (US);
Rudolf Carl Pessier, The Woodlands, TX (US);
Inventors:
Floyd C. Felderhoff, Montgomery, TX (US);
Rudolf Carl Pessier, The Woodlands, TX (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
An earth-boring bit has a bit body and at least one cone for rotation relative to the bit body. The cone has a gage surface and a nose area separated by a central area. A nose insert is located in the nose area. The nose insert has a barrel located within a hole in the nose area and an outer end protruding from the cone, the outer end has a perimeter that is a plane perpendicular to a barrel axis of the nose insert.