US Patent 7559293 High efficiency water heater
Patent 7559293 was granted and assigned to Bradford White on July, 2009 by the United States Patent and Trademark Office.
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Patent abstract
A flue system is provided for a water heater having improved heat exchange efficiency. The flue system includes an upstream heat exchange portion having at least one substantially vertical flue tube. The flue system also includes a downstream heat exchange portion having at least one substantially vertical flue tube. The upstream heat exchange portion provides a first pass for heat exchange with water in a water heater. The downstream heat exchange portion provides a second pass for heat exchange with water in the water heater.
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US Patent 07559293 High efficiency water heater US Patent 7559293 High efficiency water heater
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Patent Number
0755929300
Patent Number
755929300
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
075592930
Date of Patent
July 14, 2009
0Patent Application Number
103746050
Date Filed
February 26, 2003
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075592930
Date of Patent
July 14, 2009
0Patent Application Number
103746050
Date Filed
February 26, 2003
0Official Website
Patent Primary Examiner
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US Patent 07559293 High efficiency water heater
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07559293
Date of patent
July 14, 2009
Patent application number
10374605
Date Filed
February 26, 2003
Patent primary examiner
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