Patents by Inventor Nabil Shahin

Nabil Shahin 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).

  • Ceiling fan blade
    Patent number: 7413410
    Abstract: A ceiling fan blade is disclosed that is twisted rather than flat and has a graduated dihedral. The dihedral is provided for a wider distribution of divergence of air in the space beneath the fan. The blade (10) is demarked to have three sections which include a mounting section (11) and two airflow sections (12) and (13). The two airflow sections (12) and (13) are twisted with the rate of twist from the root end to the tip end being nonuniform. The twist or ratio of the degree increase in the angle of attack over each inch in length deceases from root end to the tip end.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: August 19, 2008
    Assignee: Hunter Fan Company
    Inventors: Nabil Shahin, Edwin T. Koehler
  • Ceiling fan blade
    Publication number: 20060210401
    Abstract: A ceiling fan blade is disclosed that is twisted rather than flat and has a graduated dihedral. The dihedral is provided for a wider distribution of divergence of air in the space beneath the fan. The blade (10) is demarked to have three sections which include a mounting section (11) and two airflow sections (12) and (13). The two airflow sections (12) and (13) are twisted with the rate of twist from the root end to the tip end being nonuniform. The twist or ratio of the degree increase in the angle of attack over each inch in length deceases from root end to the tip end.
    Type: Application
    Filed: March 21, 2005
    Publication date: September 21, 2006
    Inventors: Nabil Shahin, Edwin Koehler