Patents by Inventor Wolfgang Wienpahl

Wolfgang Wienpahl 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: 4142646
    Abstract: A device for the metallic sealing of an intermediate partition on the smooth inner wall of a cylindrical vessel, particularly with large diameters, by means of a sealing ring which is variable with respect to its diameter, on which sealing ring, the intermediate partition is fastened. The sealing ring is divided into at least two parts, and is able to be expanded at the separation positions, respectively, by one wedge each.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: March 6, 1979
    Assignee: Balcke-Durr Aktiengesellschaft
    Inventor: Wolfgang Wienpahl