Patents by Inventor DOUGLAS L. FRONIUS

DOUGLAS L. FRONIUS 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).

  • Vertical takeoff and landing (VTOL) unmanned aerial vehicle (UAV)
    Patent number: 10287013
    Abstract: One example embodiment includes a vertical takeoff and landing (VTOL) unmanned aerial vehicle (UAV). The VTOL UAV includes a flight control system configured to provide avionic control of the VTOL UAV in a hover mode and in a level-flight mode. The VTOL UAV also includes a body encapsulating an engine and the flight control system. The VTOL UAV further includes a rotor disk coupled to the engine and configured to provide vertical thrust and cyclic pitch control in the hover mode and to provide horizontal thrust for flight during the level-flight mode.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: May 14, 2019
    Assignee: NORTHROP GRUMMAN SYSTEMS CORPORATION
    Inventors: Ralph C. Starace, Robert A. August, Douglas L. Fronius, Francois Creasman
  • VERTICAL TAKEOFF AND LANDING (VTOL) UNMANNED AERIAL VEHICLE (UAV)
    Publication number: 20170233070
    Abstract: One example embodiment includes a vertical takeoff and landing (VTOL) unmanned aerial vehicle (UAV). The VTOL UAV includes a flight control system configured to provide avionic control of the VTOL UAV in a hover mode and in a level-flight mode. The VTOL UAV also includes a body encapsulating an engine and the flight control system. The VTOL UAV further includes a rotor disk coupled to the engine and configured to provide vertical thrust and cyclic pitch control in the hover mode and to provide horizontal thrust for flight during the level-flight mode.
    Type: Application
    Filed: September 2, 2016
    Publication date: August 17, 2017
    Applicant: NORTHROP GRUMMAN SYSTEMS CORPORATION
    Inventors: RALPH C. STARACE, ROBERT A. AUGUST, DOUGLAS L. FRONIUS, FRANCOIS CREASMAN