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:
Jan. 11, 1977
Filed:
Sep. 22, 1975
Applicant:
Inventor:
Robert Milton Escott, Charlotte, NC (US);
Assignee:
Midrex Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D / ; F27D / ; F27B / ;
U.S. Cl.
CPC ...
432 99 ; 432 79 ;
Abstract
Apparatus for treating particulate material with hot gases wherein preheated gases are introduced to the particulate material to heat and treat such material and a second cooler gas is introduced to the heated material to impart some cooling to the material and to heat the second gas to treatment temperature followed by movement of the heated second gas through the bed of material in which it acts in the same manner as the hot treating gas.