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. 12, 2001
Filed:
Dec. 10, 1997
Applicant:
Inventors:
Rodney Murison Whyte, Valeriedene, 2195, ZA;
Edwin Harm Roos, Johannesburg, 2090, ZA;
Andrew Bryan Johnston, Johannesburg, 7580, ZA;
Jan Abraham Ferreira, 2289 KE Rijswijk, NL;
Dirk Renaat Gabriel Faveere, Saldanha, ZA;
Anthony Wayne Wewege, Saldanha, ZA;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27D 1/00 ;
U.S. Cl.
CPC ...
F27D 1/00 ;
Abstract
An arc furnace which includes a shell with a hearth, a roof for the shell, the roof including a plurality of segments which are substantially electrically isolated from each other and from the shell, an electrode and a refractory section on the roof, and wherein the refractory section is at least partly electrically conductive.