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. 04, 1985
Filed:
Jan. 21, 1982
Applicant:
Inventor:
Albert R Collins, Ontario, CA (US);
Assignee:
Grefco, Inc., Bala Cynwyd, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
F27B / ; F27B / ; C04B / ;
U.S. Cl.
CPC ...
432 13 ; 2523 / ; 432 58 ;
Abstract
Particulate material is heated by directing a flame downwardly along the central axis of a vertically disposed furnace. The particulate material is introduced at a number of locations distributed radially around the flame at the upper end of the furnace. The particulate material is directed downwardly and toward the central axis of the furnace placing the particulate material within the flame as it passes downwardly through the furnace.