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:
Dec. 31, 2013
Filed:
Aug. 12, 2008
Applicants:
Alan W. Lockstedt, Magnolia, TX (US);
Gregory T. Lockwood, Pearland, TX (US);
Inventors:
Alan W. Lockstedt, Magnolia, TX (US);
Gregory T. Lockwood, Pearland, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 1/00 (2006.01); C22C 29/08 (2006.01); E21B 10/08 (2006.01); E21B 10/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hardfacing composition essentially consisting of from about 50 to 75 percent by weight of a carbide phase having a particle size distribution of ±20% or less of a median particle size; and from about 25 to 50 percent by weight of binder phase is disclosed. Drill bits having such hardfacing compositions disposed thereon are also disclosed.
Quick Actions:
Lockstedt, Alan. (2013). Hardfacing compositions for earth boring tools (U.S. Patent No. 8617289). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8617289
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile