ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,150, issued on May 20, was assigned to Porifera Inc. (San Leandro, Calif.).

"Method and system for producing ultra-high gravity alcoholic beverages" was invented by David Durkee (Lakewood, Colo.) and Frederik Havel (Beaconsfield, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are described that produce an ultra-high gravity alcoholic beverage from a high gravity alcoholic beverage stream using an efficient, low waste, combination reverse osmosis and forward osmosis system. Utilizing a reverse osmosis system prior to using a forward osmosis system in removing water content from a high gravity alcoholic beverage stream signi...