ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,456, issued on Jan. 27, was assigned to HMN Technologies Co. Ltd. (Tianjin, China).

"Heat dissipation device for an underwater equipment" was invented by Ling Zhao (Tianjin, China), Jianping Li (Tianjin, China), Jing Ning (Tianjin, China) and Daofang Zhong (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat dissipation device for an underwater equipment is provided. The heat dissipation device includes a heat dissipation shell coaxially arranged around outside of the underwater equipment and a water permeating component. The heat dissipation shell includes a cylindrical shell body. The water permeating component has a conical struc...