ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,388, issued on Dec. 30.
"Respiratory flow sensor" was invented by Jakob Dascher (Flasch, Switzerland) and Harri Friberg (Mauren, Liechtenstein).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a respiratory flow sensor comprising a flow tube, which has a longitudinal axis, a first flow tube portion and a second flow tube portion, comprising a flow resistor, which is disposed between the first flow tube portion and the second flow tube portion in the flow channel, and comprising two ports for extracting the pressure difference generated by the flow resistor. The first port opens into the first flow tube portion via a first conne...