Patents by Inventor Heribert Schupp

Heribert Schupp 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).

  • Composite underground fluid conduit of concrete and steel sections
    Patent number: 4241762
    Abstract: A composite underground shaft lining assembly particularly suitable for use as a leak proof water conduit is formed with a plurality of annular concrete sections joined together by interposed layers of flexible joint material forming a composite concrete cylinder, with a composite steel cylinder formed of annular steel sections being arranged about the outer cylindrical surface of the composite concrete cylinder. The annular steel sections of the composite steel cylinder are joined together by spring rings located adjacent the flexible joints formed between the annular concrete sections.
    Type: Grant
    Filed: February 27, 1979
    Date of Patent: December 30, 1980
    Assignee: Gutehoffnungshutte Sterkrade Aktiengesellschaft
    Inventors: Heinz Link, Heribert Schupp, Heinz Lendla