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. 23, 2014
Filed:
Mar. 12, 2010
Applicants:
Sike Xia, Pearland, TX (US);
Zhou Yong, Spring, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/46 (2006.01); C22C 29/06 (2006.01); E21B 10/50 (2006.01); E21B 17/10 (2006.01); C22C 29/08 (2006.01);
U.S. Cl.
CPC ...
C22C 29/06 (2013.01); B22F 2999/00 (2013.01); C22C 29/08 (2013.01); E21B 10/50 (2013.01); E21B 17/1085 (2013.01);
Abstract
A carbide composite material that includes a continuous ductile phase; and at least one discrete carbide region surrounded by the continuous ductile phase, each discrete carbide region may comprise an integrally bridged plurality of cast and/or sintered carbide particles, and each discrete region may have a nodular particle morphology.