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. 10, 2013
Filed:
Jun. 03, 2010
Applicant:
Mahlon D. Dennis, Houston, TX (US);
Inventor:
Mahlon D. Dennis, Houston, TX (US);
Assignee:
Dennis Tool Company, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/573 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wear insert comprised of cemented metal carbide is welded to a workpiece made of steel or cemented metal carbide without causing fracturing of the carbide or creating residual stresses that reduce the impact resistance of the part. The part is fabricated using a microwave sintering process prior to welding.