ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,195, issued on June 17, was assigned to InoxAir GmbH (Gelsenkirchen, Germany).
"Water pipe and catalyst unit for a water pipe" was invented by Rene Bruder (Gelsenkirchen, Germany) and Siar Kaya (Dorsten, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water pipe with a washing vessel for a washing liquid, a smoke column and a pipe bowl for tobacco or tobacco substitutes. The smoke column and/or the washing vessel has at least one mouthpiece connection and in the ready-to-use state, i.e., when the washing vessel is at least partially filled with a washing liquid, and when a negative pressure is applied to the mouthpiece connection, a gas flo...