US Patent Issued to Trane International on July 14 for "Furnace with improved efficiency controls" (Texas, North Carolina Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,729, issued on July 14, was assigned to Trane International Inc. (Davidson, N.C.).

"Furnace with improved efficiency controls" was invented by Andrew Chadbourne (Winona, Texas), Alexis Urquia Gutierrez (Davidson, N.C.) and Gordon Jeffrey Hugghins (Jacksonville, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example implementations of the present disclosure relate to systems and methods for improving the efficiency of a furnace. This process may include initiating combustion of the fuel in the burner assembly at an intermediate firing rate; operating the furnace in warm-up stage following initiating the combustion of the fuel, the warm-up stage...