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.

Date of Patent:
Oct. 20, 2009

Filed:

Mar. 15, 2007
Applicant:

Michael A. Garrabrant, Unicoi, TN (US);

Inventor:

Michael A. Garrabrant, Unicoi, TN (US);

Assignee:

American Water Heater Company, Atlanta, GA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A water heater including a water container, a combustion chamber adjacent the water container, a burner associated with the combustion chamber, a blower located to receive combustion products generated by the burner, an intake air conduit connected to the combustion chamber and having a combustion air intake opening, a dilution air conduit connected to the blower and having a dilution air intake opening; and a flammable vapor sensor having at least an operative portion positioned in the blower or the dilution air conduit.


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