ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,621, issued on Oct. 21, was assigned to KORBER TECHNOLOGIES GMBH (Hamburg, Germany).

"Evaporator tank unit for an inhaler, preferably an electronic cigarette product, electronic cigarette product and wick structure" was invented by Michael Kleine Wachter (Lankau, Germany), Thomas Muller (Hamburg, Germany) and Lennart Kock (Hamburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vaporizer tank unit for an inhaler, preferably an electronic cigarette product comprises at least an electric vaporizer for vaporizing liquid fed to the vaporizer, a liquid reservoir for storing liquid, and a capillary wick structure, wherein the liquid is feedable ...