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:
Mar. 13, 1984
Filed:
Apr. 26, 1982
Applicant:
Inventor:
Antonio Galati, Toronto, CA;
Assignee:
Canadian Gas Research Institute, Don Mills, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F22B / ;
U.S. Cl.
CPC ...
122 17 ; 122 16 ; 1221 / ;
Abstract
A water heater tank having a vertical, open-ended flue formed by a cylindrical wall extending therethrough, a metal annulus formed at the bottom of the flue wall, said annulus being continuously affixed to or integral with the bottom of the flue wall for effective heat transfer from the annulus to the flue wall, said annulus having an upturned lip on the inner side thereof such that said annulus will collect and retain condensate forming on the flue wall for subsequent evaporation of said condensate.