Patents by Inventor Keith Leffler

Keith Leffler 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).

  • Publication number: 20220111977
    Abstract: A reduced performance monitoring system for a tiltrotor aircraft includes a physical component of the tiltrotor aircraft configured to displace over time in response to an input, a simulation component configured to generate a simulated displacement response of the physical component, and a comparison module configured to compare a measured physical displacement response of the physical component to the simulated displacement response of the physical component.
    Type: Application
    Filed: October 11, 2020
    Publication date: April 14, 2022
    Applicant: Bell Textron Inc.
    Inventors: Keith Leffler, Guy Bernard, Randy Aloysius, Michael Logies
  • Publication number: 20150053298
    Abstract: Anti-kink tubing includes a hose or tube having an inner surface and an outer surface that form an inner enclosed cavity that defines a central axis of the tube. A plurality of anti-kink projections attach to at least one of the inner and outer surfaces. The plurality of anti-kink projections may extend along at least one of the inner and outer surfaces in a direction generally parallel to the central axis of the anti-kink tubing.
    Type: Application
    Filed: August 20, 2014
    Publication date: February 26, 2015
    Inventors: Kevin Alan Tussy, Brian Keith Leffler