ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,994, issued on June 3, was assigned to Universitaet Paderborn (Paderborn, Germany).
"Apparatus and method for charging an electric battery vehicle" was invented by Frank Schafmeister (Warburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for charging a (fully) electric battery vehicle with a direct current, having a rectifier connected to a multiphase power supply system, having an intermediate circuit which is arranged on the charging side of the rectifier and is coupled to the latter and has a number of capacitances and a centre point, having a DC/DC converter which is arranged on the charging side of the intermediate circuit...