ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,405, issued on May 27, was assigned to Coperion GmbH (Stuttgart, Germany).
"Method and device for producing a powder coating melt" was invented by Thorsten Stirner (Konigsbach-Stein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method and a device for producing a powder coating melt, firstly a first powder coating melt is produced from a powder coating premix by a screw machine. Powder coating particles are supplied to the first powder coating melt. Then a second powder coating melt is produced by mixing the first powder coating melt and the powder coating particles by the screw machine. This allows a simple, gentle and efficient recy...