ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,963, issued on Feb. 10, was assigned to Man Woo Heo (Daegu, South Korea).

"Multi-control system of mold cooling structure" was invented by Man Woo Heo (Daegu, South Korea) and Jin Guk Lee (Daegu, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention presents a multi-control system for mold cooling that prevents injection molding product deformation. The system supplies various temperature water through injection mold flow paths to control different mold portion temperatures.Cold and hot water tanks (41, 42) store temperature-adjusted water. Water supply pumps (45) deliver water to conversion distributor A, where opening and closi...