US Patent Issued to BUSS on June 3 for "Asymmetrical three-blade screw-type shaft for a mixing and kneading machine" (Swiss, German Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,744, issued on June 3, was assigned to BUSS AG (Pratteln, Switzerland).

"Asymmetrical three-blade screw-type shaft for a mixing and kneading machine" was invented by Martin Schotzau (Augst, Switzerland) and Wolfgang Walter (Aalen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A worm shaft for a mixing and kneading machine in particular for continuous preparation processes, comprising a shaft rod, on the circumferential surface of which blade elements are arranged which are spaced apart from one another and which extend outward from the circumferential surface of the shaft rod, wherein the blade elements are arranged on the shaft rod, at leas...