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:
Jun. 22, 2010
Filed:
Mar. 14, 2008
Applicants:
James E. Bratina, Greenwood, IN (US);
Thomas Edward Roberts, Greenwood, IN (US);
Inventors:
James E. Bratina, Greenwood, IN (US);
Thomas Edward Roberts, Greenwood, IN (US);
Assignee:
Heritage Environmental Services, LLC, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 4/00 (2006.01); C22B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of operating a channel induction furnace to process a feed material and obtain therefrom at least one of a molten metal product, a vapor phase metal product and a slag product. A molten metal bath is maintained in the channel induction furnace and the method includes adding a reductant such as carbon or a carbon containing material directly into the molten metal bath independently of the feed material.