ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,594, issued on Dec. 30, was assigned to MASCHINENFABRIK KOEPPERN GMBH & Co. KG (Hattingen, Germany).
"High-pressure roller press" was invented by Gereon Wollenhaupt (Witten, Germany), Malte Ebermann (Hattingen, Germany), Oliver Fischer (Cologne, Germany) and Eggert De Weldige (Velbert-Langenberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high-pressure roller press has a press frame and two main rollers rotatable about respective main-roller axes in the press frame, together forming a filling funnel level with the main-roller axes, and having a gap width that is variable during operation of the roller press. Respective end plates axial...