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:
Jul. 24, 2001
Filed:
Nov. 15, 1999
Applicant:
Inventors:
William Thomas Carter, Jr., Galway, NY (US);
Mark Gilbert Benz, Burnt Hills, NY (US);
Robert John Zabala, Schenectady, NY (US);
Bruce Alan Knudsen, Amsterdam, NY (US);
Samuel Vinod Thamboo, Latham, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 9/16 ;
U.S. Cl.
CPC ...
C22B 9/16 ;
Abstract
An article that comprises a fine-grain, homogeneous microstructure is essentially oxide- and sulfide-free and segregation defect free. The article is produced by a process that comprises forming a source of clean refined metal that has oxides and sulfides refined out by electroslag refining; and forming the article by nucleated casting. The invention also sets forth the article made by a system for implementing the clean metal nucleated casting process.