Patents by Inventor Steven R. Crist

Steven R. Crist 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).

  • Braided preform for composite bodies
    Patent number: 5619903
    Abstract: A braided member has a longitudinal axis and a plurality of braided strands of structural fiber. At least one elongate member having a rigidity greater than that of the strands of structural fiber is intertwined into the braided strands parallel to the longitudinal axis of the braided member. According to the preferred embodiment of the present invention, the structural fibers are selected from the group consisting of aramid, glass, and carbon fibers and the braided member is a triaxially braided tube. According to the preferred embodiment of the present invention, the elongate member is a pultruded rod having compressive strength approaching its tensile strength.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: April 15, 1997
    Assignee: Bell Helicopter Textron Inc.
    Inventors: Charles W. Rogers, Steven R. Crist