ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,043, issued on April 29.
"Intelligent temperature-controlled hookah set" was invented by Hao Lu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An intelligent temperature-controlled hookah set includes a hookah body, a bottom of the hookah body is provided with a water tank, a top of the hookah body is provided with a tobacco bowl, the water tank is inserted with a smoke pipe extending upward, a bottom of the tobacco bowl defines a through hole connected to an upper end opening of the smoke pipe, the hookah body is provided with a three-dimensional electric heating component therein configured to heat the tobacco bowl, and the hookah ...