ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,031, issued on Jan. 20.
"Device for producing a standard ultrasonic field" was invented by Felix Trampler (Hinterbruhl, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments of the present disclosure are directed to a device and a method for producing a standing ultrasonic field having the frequency f in a liquid. In one example embodiment, the device includes at least one oscillation element, a substantially dimensionally stable vessel having an outside wall and a substantially circular-cylindrical interior, the vessel receiving the liquid and the at least one oscillation element. The at least one oscillation element acoustical...