ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,140, issued on June 16, was assigned to Messer SE & Co. KGaA (Bad Soden, Germany) and Messer Austria GmbH (Gumpoldskirchen, Austria).
"Device and method for dispersing gases into liquids" was invented by Joachim Rohovec (Leobersdorf, Austria) and Thomas Berger (Essen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device according to the invention for dispersing a gas into a liquid comprising a liquid volume and a nozzle which is immersed in the liquid volume below a liquid level. The nozzle has a conical annular gap at the tip of which a nozzle opening is provided, and a liquid feed line opening tangentially into the conical annular gap. ...