Patents by Inventor Joseph J. Marino

Joseph J. Marino 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).

  • Rebuilding of the stack, bosh and hearth of a blast furnace using a remote controlled refractory gunning device
    Patent number: 4860422
    Abstract: The disclosed process uses a vertical remote controlled refractory gunning apparatus to repair damages to the stack, bosh, or hearth of a blast furnace. In the disclosed method, a reusable opening is created in the side of the blast furnace and a gantry, for example, is inserted through the reusable opening. The vertical remote-controlled refractory gunning apparatus is then introduced into the blast furnace via the gantry. In those cases wherein the blast furnace is loaded through a chute, the chute is moved to one side, the gantry is introduced at an angle and the vertical remote controlled refractory gunning apparatus is introduced through the opening.
    Type: Grant
    Filed: October 1, 1987
    Date of Patent: August 29, 1989
    Assignee: Quigley Company, Inc.
    Inventor: Joseph J. Marino