ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,859, issued on Dec. 16, was assigned to Beijing Zhirun Technology Co. Ltd. (Beijing).
"Intelligent singing bowl" was invented by Zheng Qiao (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An intelligent singing bowl includes a base, a sound production element, a supporting element, a knocking element and a driving element. The sound production element is connected to an upper surface of the base. The supporting element is connected to the base and extends upwards from the base. A bottom end of the knocking element is located on one side of the sound production element. The driving element is located inside the supporting element; the...