US Patent Issued to Illinois Tool Works on July 28 for "Screw pump and its components" (Illinois Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,863, issued on July 28, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).

"Screw pump and its components" was invented by Lionel Martin (Glenview, Ill.) and Didier Richard (Glenview, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Screw pump (2) comprising: a casing (3) with an inlet (30), an outlet (31) and a flow chamber (32) between the inlet and the outlet; at least two screws (4, 5, 6) housed in the flow chamber to force a fluid flow through the flow chamber from the inlet to the outlet; and a flexible coupling (11) connected to one of the screws to couple the screw to a drive motor (10)."

The patent was filed on June 9, 2023, und...