ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,133, issued on Aug. 25, was assigned to GROB-WERKE GMBH & Co. KG (Mindelheim, Germany).

"Apparatus and method for manufacturing wrapped Z-folded cell stacks" was invented by Moritz Gluck (Weilheim, Germany), Tobias Schatz (Bad Gronenbach, Germany), Michael Rathgeb (Augsburg, Germany) and Florian Guggenmos (Hasberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and an apparatus for manufacturing Z-folded cell stacks. First and second cell components are alternately stacked while a separator web is inserted in between in a Z-shaped or meandering manner and is subsequently wrapped one more time around the cell stack thus obtained. Wra...