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:
Apr. 17, 1984
Filed:
Sep. 07, 1982
Applicant:
Inventors:
Laurence B Craig, Glen Cove, NY (US);
Alfred J Farina, Baldwin, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F22B / ;
U.S. Cl.
CPC ...
1222 / ; 1223 / ; 165163 ;
Abstract
In a heat exchanger of the type in which hot exhaust gases transfer heat to water or the like flowing through a helical heat exchange coil, the use, as a significant improvement to the efficiency of the heat exchange occurring therebetween, of a conduit for the water having external helical fluting such that the hot gases circulate along two paths, rather than only one, and thus are more effectively able to transfer heat to the water.