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.

Date of Patent:
Nov. 01, 2011

Filed:

Jun. 05, 2008
Applicants:

James L. Overstreet, Tomball, TX (US);

Robert J. Buske, The Woodlands, TX (US);

Kenneth E. Gilmore, Cleveland, TX (US);

John H. Stevens, Spring, TX (US);

Inventors:

James L. Overstreet, Tomball, TX (US);

Robert J. Buske, The Woodlands, TX (US);

Kenneth E. Gilmore, Cleveland, TX (US);

John H. Stevens, Spring, TX (US);

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/43 (2006.01);
U.S. Cl.
CPC ...
Abstract

Earth-boring tools include at least one up-drill feature disposed on a transition surface so as to be passive during down drilling and active during up drilling and/or back reaming operations. Systems for down drilling and up drilling with drill bits comprising one or more up-drill features are also disclosed. Furthermore, methods for forming a borehole with an earth-boring tool including such up-drill features and for forming an earth-boring tool comprising such up-drill features are also disclosed.


Find Patent Forward Citations

Overstreet, James. (2011). Passive and active up-drill features on fixed cutter earth-boring tools and related systems and methods (U.S. Patent No. 8047309). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8047309

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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