ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,246, issued on Sept. 9, was assigned to Zhangzhou iHastek Inc. (Zhangzhou, China).
"Aroma diffuser" was invented by Chaoqiang Zhao (Zhangzhou, China), Xianfu Lin (Zhangzhou, China) and Rongwei Wu (Zhangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aroma diffuser comprises a compression plug connected to an air pump, an oil tube, an atomizing chamber, a spray outlet base, and a rotary spray outlet cover. The atomizing chamber comprises a chamber, a spray outlet sleeve, and a spray outlet, a distance between the air outlet and a chamber wall of the atomizing chamber is 11-13 times an aperture diameter of the air outlet, the spray outl...