ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,454, issued on Sept. 16, was assigned to Rheem Manufacturing Co. (Atlanta).
"Louvered fin" was invented by Kevin Mercer (Danville, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a louvered fin including a leading edge, a trailing edge, and a surface extending between the leading edge and the trailing edge. The surface defines a first set of holes along a first axis, a second set of holes along a second axis and offset from the first set of holes, and a third set of holes along a third axis and offset from the second set of holes. Each of the first axis, the second axis, and the third axis extends substantially p...