ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,757, issued on Nov. 3, was assigned to ENGEL AUSTRIA GMBH (Schwertberg, Austria).
"Filter device" was invented by Guenther Klammer (Aschbach Markt, Austria), Thomas Koepplmayr (Marchtrenk, Austria), Gerhard Baeck (Schwertberg, Austria), Raffael Johannes Rathner (Scharnstein, Austria) and Klaus Fellner (Steyr, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "Filter device for a molding machine with at least one filter element for filtering plasticized material, in particular plasticized plastic, wherein, in a fluidically parallel arrangement relative to the at least one filter element, at least one valve element is provided, which is formed to p...