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. 11, 2007
Filed:
Oct. 24, 2003
Applicant:
Kumar T. Kembaiyan, The Woodlands, TX (US);
Inventor:
Kumar T. Kembaiyan, The Woodlands, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/567 (2006.01);
U.S. Cl.
CPC ...
Abstract
A down hole cutting tool includes a cutting element support structure. The cutting element support structure has at least one cavity formed therein. A cutting element is disposed in the cavity. Braze alloy is also disposed in the cavity between the cutting element and the cutting element support structure. The braze alloy comprises between about 0.5% and about 10% by weight of at least one selected from the group of gallium (Ga), indium (In), thallium (Tl). Methods for building a down hole tool using the braze alloy are also disclosed.