ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,274, issued on June 30, was assigned to UNIVERSITEIT TWENTE (Enschede, Netherlands).

"Method and system for determining a scaled respiratory flow rate and volume during respiration of a patient" was invented by Rob Hagmeijer (Enschede, Netherlands) and Rutger Hendrik Johan Hebbink (Enschede, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining a scaled respiratory flow rate and volume during respiration of a patient includes a) successively determining a plurality of values for a difference between a pressure in at least a first location in an upper respiratory tract of the patient and a reference pressure, b) deriving...