Patents by Inventor Heinrich Coenenberg

Heinrich Coenenberg 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: 4133198
    Abstract: An apparatus for the bending of large area construction units, particularly of tightly welded tube walls for boiler construction, with a supporting table for that part of the construction unit which is not to be deformed, which is held down at least in the vicinity of the bending zone by means of a moveable press. A pivot table is provided for bending the remaining part of the construction unit, which pivot table is equipped with a slide plate abutting the construction part to be bent. The slide plate is guided freely displaceable relative to the pivot table in the longitudinal direction of the same.
    Type: Grant
    Filed: June 7, 1977
    Date of Patent: January 9, 1979
    Assignee: Balcke-Durr Aktiengesellschaft
    Inventors: Josef Huda, Heinrich Coenenberg, Friedhelm Aubry