Patents by Inventor Fritz F. W. Krohn

Fritz F. W. Krohn 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).

  • Apparatus for continuously forming composite shapes
    Patent number: 4151031
    Abstract: Method and apparatus for forming sheet material into continuous structural shapes, particularly adaptable to the forming and joining of reinforced plastic sheet material, wherein the material is heated, formed, joined, consolidated, and cooled in a continuous process.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: April 24, 1979
    Assignee: General Dynamics Corporation
    Inventors: Robert C. Goad, Fritz F. W. Krohn, Gerald D. Peddie
  • Mast structure and composite structural fitting therefore
    Patent number: 3984962
    Abstract: A fitting for connecting a structure to an advanced composite tube, where the tube consists of high strength fibers embedded in a supporting matrix material. The fitting comprises a narrow sleeve bonded to a composite tube, split rings engaging the ends of the sleeve and overlying threaded rings fastened to the structure to be connected to the tubes, said rings when threaded together fixedly engaging said split rings. This assembly provides a secure, removable fitting while avoiding penetrations in the composite tube.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: October 12, 1976
    Assignee: General Dynamics Corporation
    Inventor: Fritz F. W. Krohn