ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,700, issued on March 31, was assigned to KANADEVIA INOVA DENMARK A/S (Holsted, Denmark).

"Plate-formed grate element for a movable grate of a furnace" was invented by Hans Bogh Andersen (Esbjerg O, Denmark), Morten Ryge Bogild (Esbjerg O, Denmark) and Thomas Schaldemose Norman (Esberg O, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "The plate-formed grate element (1, 2) has a top wall (12), a bottom wall (13), a front end (14) and a back end (15). The front end has a lower inwardly curved wall portion (16) adapted to maintain a predetermined clearance with a back tip edge of a corresponding grate element. An internal cooling fluid chamber ...