ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,348, issued on May 6, was assigned to BLUE SPIRIT AERO SAS (Rueil-Malmaison, France).

"Aircraft propulsion module and aircraft" was invented by David Vincekovic (Woodville, Australia), Florian Pasquiet (Rochefort du Gard, France) and Olivier Savin (Rueil-Malmaison, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft propulsion module comprises a hydrogen storage system, an electrochemical converter (7) connected to the hydrogen storage system, wherein the at least one electrochemical converter is adapted to convert hydrogen supplied from the hydrogen storage system (12) into electric energy, and an electric motor (5) electrically conne...