ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,763, issued on Oct. 21.
"Air flow powered electrical generator" was invented by Dennis Grieve (Star, Idaho).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes an axle; and a blade coupled to the axle for a rotation therewith about a rotational axis, the blade comprising a wall and a peripheral edge defining, in a combination with each other, a cavity of the blade. The blade may be provided as a plurality of blades. The blade may be disposed within a hollow interior of a housing. A generator of electric energy may be coupled to the axle to convert mechanical rotation at the axle into the electric energy. The apparatus may be used to ...