ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,278, issued on July 8.

"Efficiency measuring apparatus, active equalizer inductor design tool and equalizer design app" was invented by Ngalula Sandrine Mubenga (Toledo, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "An efficiency measuring apparatus that measures the efficiency of charge transfer between battery cell sections in an active EQU unit. The apparatus includes a pair of series connected battery cell sections, a first FET switch and a second FET switch. The apparatus further includes an inductor electrically coupled between the cell sections, to the drain terminal of the first FET switch and the source terminal of the second FET switc...