ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,440, issued on June 17, was assigned to TRUTZSCHLER GROUP SE (Monchengladbach, Germany) and VOITH PATENT GMBH (Heidenheim, Germany).

"Installation and method for producing a single- or multi-layer nonwoven" was invented by Thomas Weigert (Sulzbach, Germany), Florian Seils (Seligenstadt, Germany) and Kai Pohler (Vettweiss, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an installation and a method for selectively producing a single- or multi-ply nonwoven includes an inclined wire former configured to deposit a sheet of wet-laid fibre material on a first circulating belt, a further belt configured to receive the sheet ...