US Patent Issued to VELETTRICA on May 12 for "Propeller with folding blades and propulsion system" (Italian Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,761, issued on May 12, was assigned to VELETTRICA S.R.L. (Rome).

"Propeller with folding blades and propulsion system" was invented by Roberto Baffigo (Rome) and Paolo Bellomi (Rome).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propeller with folding blades for the propulsion of a mobile vehicle inside a fluid is provided having a movement mechanism rotatable around a central rotation axis of the propeller; and a plurality of blades. Each blade has a root end connected to the movement mechanism by a gear to allow the movement of the blade from an opening position to a closed position and vice versa, wherein in the closed position the plurality of ...