Patents by Inventor Josef Unterhitzenberger

Josef Unterhitzenberger 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).

  • Patent number: 5037041
    Abstract: In order to obtain in a cockpit for a helicopter which is provided with a support frame work consisting of hollow profile parts dimensionally stiffly connected to each other and defining the door and window cutouts of the cockpit and an outer covering and is usually fabricated for cost reasons in view of the relatively limited lot sizes of aircraft in differential design to obtain not only a more weight-saving but also overall a more cost effective cockpit design, at least the hollow profile parts extending around the cockpit cutouts are made as an integral, spatially closed support profile structure such that they are formed and hardened together from composite fiber material or superplastically deformable metal in a forming tool having the forming surfaces with the profile shape of the hollow profile parts around to the cockpit cutouts.
    Type: Grant
    Filed: August 3, 1989
    Date of Patent: August 6, 1991
    Assignee: Messerschmitt-Bolkow-Blohm GmbH
    Inventor: Josef Unterhitzenberger