ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,184, issued on Nov. 4, was assigned to Gneuss GmbH (Bad Oeynhausen, Germany).

"Extruder screw for a multi-screw extruder" was invented by Daniel Gneuss (Charlotte, N.C.), Detlef Gneuss (Carabietta, Switzerland) and Stephan Gneuss (Bad Oeynhausen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An extruder screw for a multi-screw extruder, having an intake and metering section. A rotor body has an enlarged diameter relative to the intake and metering section and has a plurality of satellite screws positioned on the outer periphery of the rotor body at least over part of the length thereof. A cone and an adjoining drive zone are formed between t...