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:
Aug. 28, 1975
Applicant:
Inventors:
Etsuji Yamamoto, Tokyo, JA;
Noriaki Nakase, Osaka, JA;
Assignees:
Mitsui Shipbuilding and Engineering Co., Ltd., Tokyo, JA;
Mitsui Petrochemical Industries, Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F22B / ;
U.S. Cl.
CPC ...
122356 ; 122283 ;
Abstract
Arrangement of heat transfer tubes in a heating furnace in which the heat transfer tube is divided into several paths in the radiant heat transfer zone and these branched tubes are arranged in juxtaposition and alternative relation in each row and divided into a plurality of groups in a cycle of the alternation, and burners are provided in front of each tube group.