ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,591, issued on Aug. 4, was assigned to VALMET AB (Sundsvall, Sweden).

"Blade for a refiner for refining lignocellulosic material, and refiner comprising at least one blade" was invented by Thommy Lindblom (Hagersten, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blade for a refiner for refining lignocellulosic material is delimited by an inner periphery and an outer periphery and includes: a blade surface with a refiner portion on which a plurality of refiner bars are arranged, where: each refiner bar extends from an outer bar end to an inner bar end, and the plurality of refiner bars are arranged so that a movement along a bar extension fr...