Patents by Inventor Wolfgang Heidemann

Wolfgang Heidemann 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: 4708328
    Abstract: A metallurgical vessel having a closed bottom such as a steel converter is brick-lined by using a work area and platform being suspended for lifting and lowering into the vessel and carrying structure for distributing lining bricks along the periphery of that platform; delivery equipment is separately and removably affixed to the upper and lower sides of said work area and platform, so that in various, combinations the bottom, the wall and the transition between bottom and wall can be lined.
    Type: Grant
    Filed: April 10, 1985
    Date of Patent: November 24, 1987
    Assignee: Mannesmann AG
    Inventor: Wolfgang Heidemann
  • Patent number: 4354670
    Abstract: The invention refers to a brick lining apparatus for metallurgical vessels, particularly for steel mill converters and/or blast furnaces, with an annular working platform which is automatically adjustable in height, and with a coordinated brick conveyor line consisting of one or several chains leading around sprocket wheel pairs with attached brick supports, whereby working platform and brick conveyor line are retractable to approximately the distance between mill floor and vessel opening.
    Type: Grant
    Filed: May 28, 1980
    Date of Patent: October 19, 1982
    Assignee: Mannesmann DeMag A.G.
    Inventors: Gerhard Eichbaum, Wolfgang Heidemann