Patents by Inventor Douglas Hamelwright, JR.

Douglas Hamelwright, JR. 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).

  • Rotorcraft fuel system having enhanced crash resistance
    Patent number: 10196151
    Abstract: A rotorcraft includes a fuselage having a fuel tank receiving assembly with a fuel tank positioned therein. The fuel tank including a plurality of interconnected fuel bags operable to contain liquid fuel. A network of straps is disposed about the fuel tank forming a restraint assembly. The network of straps includes at least one perimeter strap extending at least partially about at least two fuel bags and at least one surrounding strap extending at least partially about the at least two fuel bags. The at least one perimeter strap has at least two intersections with the at least one surrounding strap.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: February 5, 2019
    Assignee: Bell Helicopter Textron Inc.
    Inventors: Martin Peryea, Michael Reaugh Smith, Douglas Hamelwright, Jr., Albert G. Brand, Nicholas J. Plagianos, Joshua Emrich, Timothy Carr
  • Rotorcraft Fuel System having Enhanced Crash Resistance
    Publication number: 20170313434
    Abstract: A rotorcraft includes a fuselage having a fuel tank receiving assembly with a fuel tank positioned therein. The fuel tank including a plurality of interconnected fuel bags operable to contain liquid fuel. A network of straps is disposed about the fuel tank forming a restraint assembly. The network of straps includes at least one perimeter strap extending at least partially about at least two fuel bags and at least one surrounding strap extending at least partially about the at least two fuel bags. The at least one perimeter strap has at least two intersections with the at least one surrounding strap.
    Type: Application
    Filed: May 2, 2016
    Publication date: November 2, 2017
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Martin Peryea, Michael Reaugh Smith, Douglas Hamelwright, JR., Albert G. Brand, Nicholas J. Plagianos, Joshua Emrich, Timothy Carr