ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,844, issued on March 11, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Hybrid aircraft power plant" was invented by Paul Weaver (Chateauguay, Canada) and Bruno Chatelois (Boucherville, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid aircraft power plant includes an air mover for propelling an aircraft, a gas turbine engine operable to drive the air mover, a bifurcated exhaust duct conveying combustion gas from the gas turbine engine, and an electric motor mounted to the exhaust duct and operable to drive the air mover. The turbine engine includes a turbine extracting energy from an annular stream of the combustio...