Patents by Inventor Alfred Kotthaus

Alfred Kotthaus 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).

  • Floatable flexible electric and/or optical line
    Patent number: 4745238
    Abstract: A floatable flexible line is provided with at least four air chambers which extend in the form of a one-piece extruded flexible chambered casing around the conductors. The density of the material for the chambered casing is preferably below 1 kg/dm.sup.3.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: May 17, 1988
    Assignee: Kabelwerke Reinshagen GmbH
    Inventors: Alfred Kotthaus, Lothar Nohring