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. 21, 2006
Filed:
Feb. 28, 2005
Applicants:
George Weintraub, Brooklyn, NY (US);
Donald Brown, Sea Cliff, NY (US);
Inventors:
George Weintraub, Brooklyn, NY (US);
Donald Brown, Sea Cliff, NY (US);
Assignee:
Slant/Fin Corporation, Greenvale, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F22B 23/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A downdraft boiler has a ceramic burner plate overlying a horizontal-tube heat exchanger at least the upper tubes of which each have an internal turbulator preventing premature vaporization of the water traversing the heat exchanger. The turbulator can consist of a twisted metal strip whose edges lie along helices.