Patents by Inventor Arthur C. Heitmann

Arthur C. Heitmann 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: 4207086
    Abstract: A feeder is provided for supplying molten mineral material in the form of streams. The feeder comprises a bottom wall member, two side wall members and two end region members, each comprising an end wall portion and portions extending from the end wall portion on three sides thereof to form a bottom wall portion and two side wall portions, the bottom wall member and the side wall members being affixed to the bottom wall portion and the side wall portions, respectively.
    Type: Grant
    Filed: December 23, 1977
    Date of Patent: June 10, 1980
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: Arthur C. Heitmann, Arnold J. Eisenberg
  • Patent number: 4066864
    Abstract: The disclosure embraces method and apparatus for producing stream feeders for supply of streams of heat-softenable fiber forming material such as glass for attenuation into fibers. The invention sets forth an improved method for securing preformed, flanged tubular members to an orificed plate by utilization of an electron beam welding device.
    Type: Grant
    Filed: May 29, 1975
    Date of Patent: January 3, 1978
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Arthur C. Heitmann