ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,339, issued on June 30.

"Isolated DC power supply based on class-e inverter and its design method" was invented by Jianyu Pan (Chongqing, China), Sheng Yan (Chongqing, China) and Hong Lei (Chongqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an isolated DC power supply utilizing a Class-E inverter and its design method, within the field of power electronics and high voltage technology. This DC power supply comprises a DC power source, a Class-E inverter, a CL network, a series resonant unit, and a rectifier circuit, featuring two structures. It is characterized by a single switching device and a stable output volt...