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:
Jan. 16, 2018

Filed:

Nov. 15, 2013
Applicant:

Smith International, Inc., Houston, TX (US);

Inventors:

Chen Chen, Houston, TX (US);

Yuri Burhan, Spring, TX (US);

Jibin Shi, Spring, TX (US);

Assignee:

SMITH INTERNATIONAL, INC., Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/56 (2006.01); E21B 10/573 (2006.01); E21B 10/627 (2006.01); E21B 10/633 (2006.01);
U.S. Cl.
CPC ...
E21B 10/573 (2013.01); E21B 10/627 (2013.01); E21B 10/633 (2013.01);
Abstract

A cutting element assembly may include a sleeve; an inner cutting element in the sleeve; and a blocker retained in the sleeve with at least one locking device and covering a portion of a cutting face of the inner cutting element. Cutting tools may include a tool body; a plurality of blades extending radially from the tool body, each blade comprising a leading face and a trailing face; a plurality of cutter pockets on the plurality of blades; at least one cutting element in one of the cutter pockets; and at least one blocker positioned adjacent to a cutting face of the at least one cutting element and the leading face of the blade, the blocker being retained to the cutter pocket with at least one locking device.


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