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:
Aug. 28, 2007
Filed:
Dec. 03, 2004
Applicants:
Timothy J. Shellenberger, Johnson City, TN (US);
Thomas A. Edds, Jonesborough, TN (US);
Garry D. Statzer, Abingdon, VA (US);
Inventors:
Timothy J. Shellenberger, Johnson City, TN (US);
Thomas A. Edds, Jonesborough, TN (US);
Garry D. Statzer, Abingdon, VA (US);
Assignee:
American Water Heater Company, Johnson CIty, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 9/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A low NOwater heater including a water container; a combustion chamber adjacent the water container; and a burner associated with the combustion chamber and arranged to combust fuel to heat water in the water container, the burner comprising a plenum chamber having a combustion surface and a device to detect the presence of the collection of lint, dirt and/or oil.