Patents by Inventor Ernst Wortmann

Ernst Wortmann 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 the manufacture of hollow cylindrical bodies
    Patent number: 4479602
    Abstract: The disclosure relates to an apparatus for the manufacture of hollow cylindrical bodies by deposit welding, consisting of a supporting body rotatably mounted on bearings at both ends and a hollow cylindrical basic body concentric to the supporting body being supported by said supporting body means of circumferentially arranged radially spacing members. According to the disclosure the spacing members are elastically flexible.
    Type: Grant
    Filed: August 4, 1981
    Date of Patent: October 30, 1984
    Assignee: Thyssen Stahl Aktiengesellschaft
    Inventors: Jos/e/ Fernandez, J/u/ rgen Herm, Heinz Krakow, Harald Tomsen, Ernst Wortmann, deceased
  • Heating arrangement for revolving bodies whose diameter varies during production thereof by build-up welding
    Patent number: 4353689
    Abstract: A heating arrangement is provided for apparatus for producing cylindrical bodies by build-up welding wherein the diameter of the body being produced varies during the build-up welding operation. The heating arrangement is composed of individual heating elements arranged in the region of a sector around the revolving body with the heating elements being controlled both individually and in groups.
    Type: Grant
    Filed: October 22, 1980
    Date of Patent: October 12, 1982
    Assignee: Thyssen Aktiengesellschaft vorm. August Thyssen-Hutte
    Inventors: Jose Fernandez, Jurgen Herm, Heinz Krakow, Ernst Wortmann, Harald Tomsen