Patents by Inventor Gustav M. Heinricher

Gustav M. Heinricher 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 introducing gas to molten metal within a vessel
    Patent number: 4657226
    Abstract: The invention relates to apparatus including a gas purge brick for metallurgical furnaces and vessels, which is connected with a gas supply pipe on its cold end remote from the interior of the furnace or vessel. Within the gas supply pipe there is centrally arranged a solid metal core which is surrounded by a helix. Optionally, at least the part of the gas supply pipe adjoining the cold brick end is surrounded by a protecting tube filled with a refractory material.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: April 14, 1987
    Assignee: Osterreichisch-Amerikanische Magnesit Aktiengessellschaft
    Inventors: Heinrich Illemann, Gustav M. Heinricher