Patents by Inventor Richard L. Kulesha

Richard L. Kulesha 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).

  • Self-stabilized stepped crashworthy stiffeners
    Patent number: 5069318
    Abstract: A crushable, composite, columnar, self-stabilized structure for absorbing energy by progressively reacting compression forces along the axis of the structure. The compression failure initiates at one end and progresses to the second end of the stiffener in a controlled fashion in that at any cross section, the local compression strength at that point is less than the general stability strength of the remaining structure.
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: December 3, 1991
    Assignee: McDonnell Douglas Corporation
    Inventors: Richard L. Kulesha, Michael D. Jones, Thomas E. Schmitt