ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,322, issued on May 6, was assigned to DR. ING. H.C. F. PORSCHE AG (Stuttgart, Germany).
"Drive system of an aircraft, aircraft and method for operating an aircraft" was invented by Mikel Fauri (Ludwigsburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drive system of an aircraft, including a fuel cell, which can be supplied with hydrogen from a hydrogen tank and with air from a blower, the fuel cell being configured to provide drive power for operational flight after takeoff and before landing dependent on a hydrogen mass flow supplied by the hydrogen tank and dependent on an air mass flow supplied by the blower, and an electrical energy...