Patents by Inventor Sergio D'Angelo

Sergio D'Angelo 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).

  • Method of balancing fan rotors, particularly electric fans for use in motor vehicles
    Patent number: 5800127
    Abstract: The method enables a fan rotor to be balanced by the addition of material in at least one selected position on the fan rotor. It is characterized in that the material is added by the application of one or more metal staples.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: September 1, 1998
    Assignee: Industrie Magneti Marelli S.p.A.
    Inventors: Sergio D'Angelo, Marco Greco