ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,664, issued on July 15, was assigned to Collins Aerospace Ireland Ltd. (Cork, Ireland).

"Series resonant power converter" was invented by Ignacio Castro Alvarez (Gijon, Spain) and Grzegorz Popek (Birmingham, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A series resonant power converter, comprising: a first plurality, m, of resonant power converter modules, each comprising a switching stage, a resonant tank, a transformer, a rectifier stage and an output capacitor, the plurality of resonant power converter modules connected in series across a power supply, the resonant power converter further comprising a common output stage (500) con...