US Patent Issued to Covestro Intellectual Property on July 15 for "Extruder having screw elements with a particularly large pitch in the region of the gas venting opening, and use of said extruder" (German Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,202, issued on July 15, was assigned to Covestro Intellectual Property GmbH & Co. KG (Leverkusen, Germany).

"Extruder having screw elements with a particularly large pitch in the region of the gas venting opening, and use of said extruder" was invented by Roland Engberg (Dusseldorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-shaft extruder which has screw shafts which are rotatable in the same direction and at the same speed, and which has at least one gas venting opening, and which has, in the entry region of said at least one gas venting opening, screw elements with a particularly large pitch or screw elements which have an asy...