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:
Jul. 14, 2009
Filed:
Feb. 26, 2003
Michael Gordon, East Grand Rapids, MI (US);
Timothy D. Scott, Battle Creek, MI (US);
Jason Sutherland, Hastings, MI (US);
Christopher Stafford, Hastings, MI (US);
Ross Campbell, Middleville, MI (US);
Michael Gordon, East Grand Rapids, MI (US);
Timothy D. Scott, Battle Creek, MI (US);
Jason Sutherland, Hastings, MI (US);
Christopher Stafford, Hastings, MI (US);
Ross Campbell, Middleville, MI (US);
Bradford White Corporation, Ambler, PA (US);
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile