ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,049, issued on June 24, was assigned to AW Industries LLC (Cypress, Calif.).
"Making device of ice balls" was invented by Xiang-Tai Lu (New Taipei, Taiwan), Shi-Jie Wang (Taichung, Taiwan), Wei-Yuan Huang (Taichung, Taiwan), Zhi-Xiang Dai (New Taipei, Taiwan) and Jeff Chen (Buena Park, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A making device of ice balls comprises a refrigeration chamber unit; the refrigeration chamber unit comprises a lower half ball mold body, an upper half ball mold body and a water circulation unit; in addition, a cover plate is arranged above the refrigeration chamber unit, and a water injection hole is arranged on...