ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,167, issued on Feb. 24, was assigned to Illinois Tool Works Inc. (Glenview, Ill.).
"Screw pump and its components" was invented by Lionel Martin (Sallanches, France) and Didier Richard (Marignier, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a screw pump comprising: a casing with an inlet, an outlet and a flow chamber between the inlet and the outlet; and at least two screws housed in the flow chamber to force a fluid flow through the flow chamber from the inlet to the outlet; wherein at least one of the screws comprises a lubricated polymer material."
The patent was filed on June 5, 2024, under Application No. 18...