ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,353, issued on June 16, was assigned to VANOCUR REFRACTORIES LLC (Tonawanda, N.Y.).

"Cross over duct for heating walls of a coke oven or coke oven battery" was invented by Paul A. Saffrin (Tonawanda, N.Y.) and Richard M. Maida (Tonawanda, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a coke oven having a first heating wall and a second heating wall, a cross over duct arranged to fluidly connect the first heating wall and the second heating wall. The cross over duct further comprising a passageway in communication with the first heating wall and the second heating wall."

The patent was filed on Oct. 14, 2022, under Application No. 18/701,47...