ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,424, issued on Oct. 7, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).
"Electric fan" was invented by David H. Menheere (Norval, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric fan for producing thrust to propel an aircraft is disclosed. The electric fan comprises a stator, a fan rotor rotatably mounted relative to the stator and an electric motor mounted to the stator and drivingly engaged with the fan rotor to cause rotation of the fan rotor relative to the stator. The fan rotor comprises an annular body defining a flow passage therethrough and a plurality of fan blades disposed in the flow passage and mounted fo...