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:
Aug. 17, 2010
Filed:
Mar. 14, 2008
James E. Bratina, Greenwood, IN (US);
Thomas Edward Roberts, Greenwood, IN (US);
James E. Bratina, Greenwood, IN (US);
Thomas Edward Roberts, Greenwood, IN (US);
Heritage Environmental Services, LLC, Indianapolis, IN (US);
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. The method includes applying a controlled vacuum on the headspace of the channel induction furnace to controlling the amount of ambient air that enters the furnace or adding oxygen into the channel induction furnace. The method also includes controlling the carbon concentration in the molten bath in the channel induction furnace to control the fluidity of the bath.