ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,806, issued on Jan. 28, was assigned to Worcester Polytechnic Institute (Worcester, Mass.).
"Atomizing spray dryer" was invented by Jamal S. Yagoobi (Hopkinton, Mass.), Mengqiao Yang (Worcester, Mass.) and Mehrnoush F. Dardashti (Worcester, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An atomizing spray dryer employs one or more stages defined by ultrasonic transducers in close proximity to a liquid feed opening forming a path of an atomization flow for producing uniform droplets from a close tolerance with the transducer. The atomization flow exits a gap between the transducer and an outer edge of the opening, such that the passed liquid is...