Patents by Inventor Alexandros Stefanakis

Alexandros Stefanakis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rotor for a hover-capable aircraft
    Patent number: 11702198
    Abstract: A rotor is described that comprises: a hub; a plurality of blades; each blade extends along an axis and comprises: a leading edge and a trailing edge; a top surface and a bottom surface, a chord joining points of the leading edge and the trailing edge; and a closed shell made of composite material and adapted to withstand the torque directed along a first axis of the blade; the shell comprises a first and a second element separate from each other, delimiting the respective shell on mutually opposite sides; a first connection element arranged on the side of the associated leading edge and interposed between the first ends of the respective first and second elements; and a third element connected to the associated first and second elements and arranged on the side of the leading edge; the first connection element is connected to respective first faces, and the third element is connected to respective second faces of the first and second elements; the blade comprises a fourth element interposed between the fourt
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: July 18, 2023
    Assignee: LEONARDO S.P.A.
    Inventors: Dario Bonanno, Phil Woody, Alexandros Stefanakis, Vita Imperiale
  • ROTOR FOR A HOVER-CAPABLE AIRCRAFT
    Publication number: 20220009624
    Abstract: A rotor is described that comprises: a hub; a plurality of blades; each blade extends along an axis and comprises: a leading edge and a trailing edge; a top surface and a bottom surface, a chord joining points of the leading edge and the trailing edge; and a closed shell made of composite material and adapted to withstand the torque directed along a first axis of the blade; the shell comprises a first and a second element separate from each other, delimiting the respective shell on mutually opposite sides; a first connection element arranged on the side of the associated leading edge and interposed between the first ends of the respective first and second elements; and a third element connected to the associated first and second elements and arranged on the side of the leading edge; the first connection element is connected to respective first faces, and the third element is connected to respective second faces of the first and second elements; the blade comprises a fourth element interposed between the fourt
    Type: Application
    Filed: September 30, 2019
    Publication date: January 13, 2022
    Inventors: Dario Bonanno, Phil Woody, Alexandros Stefanakis, Vita Imperiale