ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,229, issued on April 29, was assigned to LUXEMBOURG INSTITUTE OF SCIENCE AND TECHNOLOGY (Eschsur-Alzette, Luxembourg).

"Volume flowmeter and method for determining a volumetric flow rate" was invented by Jerome Polesel (Mexy, France) and Mathieu Gerard (Rehon, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aspect of the present invention pertains to a method for determining the volumetric flow rate of a compressible fluid flow flowing through a volume flowmeter having a flow inlet, a wheel downstream of the flow inlet and a constriction downstream of the flow inlet and upstream of the wheel, the compressible fluid flowing through the flow i...