Patents by Inventor Kevin Keefer

Kevin Keefer 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).

  • Method and apparatus for measuring extinction using an unmanned aerial vehicle
    Patent number: 12540891
    Abstract: A method and apparatus used to determine atmospheric extinction coefficients in conjunction with an unmanned aerial vehicle are provided. The unmanned aerial vehicle may include a central body, at least one motor operatively connected to the central body, a condensation particle detection payload, and a data acquisition board including memory operatively connected to the data acquisition board, and a processor configured to generate extinction information.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: February 3, 2026
    Assignee: BlueHalo, LLC
    Inventors: Alexis Henry Clark, Steven Fiorino, Kevin Keefer