US Patent Issued to Gneuss on May 6 for "Extruder having extruder screw with multiple degassing zones and diameters for the viscosity-increasing processing of meltable polymers" (American, Swiss, German Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,975, issued on May 6, was assigned to Gneuss GmbH (Bad Oeynhausen, Germany).

"Extruder having extruder screw with multiple degassing zones and diameters for the viscosity-increasing processing of meltable polymers" 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 for the viscosity-increasing preparation of meltable polymers, wherein an extruder screw with at least one helical extruder screw flight is positioned in a housing having an inner housing recess. A diameter central region has a larger outer diameter ...