Patents by Inventor Lucas R. Hale

Lucas R. Hale 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).

  • Broadband metal lens antenna
    Patent number: 10230170
    Abstract: A metal lens is provided for length compacting a horn antenna across a frequency bandwidth. The metal lens includes a feed guide segment having an input cross-section, an intermediate segment, and an exit segment. The feed guide segment receives a signal from the horn antenna along a carry direction; an intermediate segment that expands from the input cross-section laterally to the carry direction. The intermediate segment incorporates an intermediate split vane perpendicular to the carry direction to divide the signal along the carry direction. The exit segment incorporates a plurality of terminating split vanes lateral to the carry direction for transmitting the output signals.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: March 12, 2019
    Assignee: The United States of America as represented by the Secretary of the Navy.
    Inventors: Kevin A. Boulais, Walter D. Sessions, Reniery Cevallos, Sarah C. Weston, Lucas R. Hale
  • Electromagnetic cloak using metal lens
    Patent number: 9095043
    Abstract: A cloak is provided for concealing an object to an electromagnetic field. A first vane encloses the object and a second vane encloses the first vane. The distance between the first and second vanes varies relative to the object, so as to conceal the object to the electromagnetic field.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: July 28, 2015
    Assignee: The United States of America as Represented by the Secretary of the Navy
    Inventors: Kevin A. Boulais, Walter D. Sessions, Francisco Santiago, Pearl Rayms-Keller, Lucas R. Hale, Craig Andrew Calcagno