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. 01, 1986
Filed:
May. 23, 1985
Applicant:
Inventors:
Richard H Hanewald, Beaver Falls, PA (US);
John K Pargeter, Ellwood City, PA (US);
Assignee:
The International Metals Reclamation Company, Inc., Ellwood City, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
266274 ; 266177 ; 266280 ; 432138 ;
Abstract
A rotary hearth adapted to rotate in horizontal plane having a top surface made of a loose granular refractory material, advantageously dead burned dolomite grain.