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:
Oct. 31, 2006
Filed:
Oct. 14, 2004
Applicants:
Michael C. Oballa, Cochrane, CA;
Leslie Wilfred Benum, Red Deer, CA;
Marvin Harvey Weiss, Calgary, CA;
Inventors:
Michael C. Oballa, Cochrane, CA;
Leslie Wilfred Benum, Red Deer, CA;
Marvin Harvey Weiss, Calgary, CA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a radiant heating box there is a convection current which flows over the surface of tubes in the box. Adding ribs to the external surface of vertical tubes provides an enhancement to the heat transfer by convection and increases the heat transfer to the tubes.