ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,813, issued on June 30, was assigned to ROTAREX Solutions S.A. (Roost (Bissen), Luxembourg).

"Nozzle for mixing gas with liquid with compact design" was invented by Remy Lopes (Herserange, France), Sergio Lopez (Luxembourg) and Isabelle Schmitz (Heisdorf, Luxembourg).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is directed to a nozzle (4) for mixing gas with liquid, comprising a body (8); a longitudinal passage (10) for the liquid, formed in the body (8) and with a portion (10.2) showing a reduced cross-section; at least one radial passage (12, 12.1, 12.2) for the gas, formed in the body (8) and opening out in the reduced cross-sectio...