ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,365, issued on Dec. 2, was assigned to Aplus Power Technology (Hangzhou) Co. Ltd. (Hangzhou, China).

"Resonant converter with primary winding short to increase energy in resonant tank" was invented by Yuetian Wang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this disclosure provide a power supply device, a resonant converter circuit and controlling method thereof. The circuit includes: an inverter circuit, a resonant circuit, a rectifier circuit, a switch, and a second inductor, wherein the inverter circuit is connected to the resonant circuit for converting direct currents into alternating currents to output to the ...