Patents by Inventor Andrea Giribaldi

Andrea Giribaldi 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).

  • Patent number: 6341940
    Abstract: The fan comprises a hub, the axis of which coincides with the axis of rotation of the fan, and a plurality of blades which extend from the hub between a minimum radial distance from the axis in the vicinity of the hub and a maximum radial distance. In the vicinity of the hub, the cross-section of each blade has an angle of attack and an angle of curvature which are substantially equal to 0° and, starting from the hub, the cross-sections of each blade have angles of attack and angles of curvature which increase as the radial distance from the axis increases, up to a radial distance of between 30% and 40% of the radial extent of the blade.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: January 29, 2002
    Assignee: Gate S.p.A.
    Inventor: Andrea Giribaldi
  • Patent number: 6238184
    Abstract: The fan comprises a central hub and a plurality of blades extending radially from the hub and each having a root portion adjacent the hub, a radially intermediate portion, and a radially outermost, tip portion. In the tip portion, the leading edge of each blade is inclined forwardly in the direction of rotation of the fan; in the root portion, the leading edge of each blade is inclined forwardly.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: May 29, 2001
    Assignee: Gate S.p.A.
    Inventor: Andrea Giribaldi