US Patent Issued to HarbisonWalker International Holdings on June 23 for "Interlocking refractory bricks and refractory layer structures formed therewith" (Pennsylvania Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,407, issued on June 23, was assigned to HarbisonWalker International Holdings Inc. (Moon Township, Pa.).

"Interlocking refractory bricks and refractory layer structures formed therewith" was invented by Bryn Christine Snow (Bridgeville, Pa.), Tomas Richter (Wexford, Pa.) and Thomas S. Williams (Gibsonia, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refractory layer structure includes a plurality of refractory layers stacked on each other. Each of the refractory layers includes refractory bricks. Each of the refractory bricks is formed as a cuboid having a pair of oppositely positioned first diverging sides and a pair of oppositely positioned...