Patents by Inventor Donald Thomas Powell

Donald Thomas Powell 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).

  • Methods and apparatus to retain a rotor blade
    Patent number: 9751616
    Abstract: Methods and apparatus to retain a rotor blade are disclosed herein. An example apparatus includes a rotor blade coupled to a rotatable hub of an engine system. The rotor blade includes a root, a flange and a blade. The root and the flange are disposed inside a cowling, and the blade is disposed outside of the cowling. The example apparatus also includes a retainer disposed inside the cowling adjacent the flange. The flange is to engage the retainer to retain the rotor blade with the engine system.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: September 5, 2017
    Assignee: THE BOEING COMPANY
    Inventors: Adrian Stanescu, Donald Thomas Powell
  • APPARATUS AND METHODS FOR GENERATING A POINT REPRESENTATION OF A STRUCTURE
    Publication number: 20090089019
    Abstract: A computer-performed method of modeling a physical structure. A plurality of geometric parameters specific to a type of the structure are applied to aerodynamic surface data in accordance with rules predefined for the structure type to geometrically describe a plurality of structural features. Based on the geometric describing, a plurality of points representing the structure are obtained. The points are used to model the structure.
    Type: Application
    Filed: October 1, 2007
    Publication date: April 2, 2009
    Inventors: Rainer Dittmann, Scott D. Hartshorn, Donald Thomas Powell, Dean Parham