Patents by Inventor Norma W. Riley

Norma W. Riley 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).

  • Ultrawideband nested bowtie array
    Patent number: 10158180
    Abstract: A wideband phased array including a plurality of nested sub-arrays each having a plurality of bowtie radiators and having a common aperture, where each sub-array covers a different frequency band. In one embodiment, a square high-band sub-array is positioned at a center of the phase array, a square mid-band sub-array surrounds the high-band sub-array, and low-band sub-array surrounds the mid-band sub-array.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: December 18, 2018
    Assignee: Northrop Grumman Systems Corporation
    Inventors: Norma W. Riley, Douglas J. Riley