Patents by Inventor Lou Gecan, deceased

Lou Gecan, deceased 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).

  • Tuyere cooling system
    Patent number: 7138085
    Abstract: A tuyere cooling system which includes a coolant circuit for a body section and nose section. A valve is operable to connect the coolant circuits in series or to disconnect flows to the nose section of the tuyere so that if the nose of the tuyere tears during operation, the flow of coolant to the nose section of the tuyere may be cut off without affecting the overall operation of the blast furnace.
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: November 21, 2006
    Assignee: Dofasco Inc.
    Inventors: Herman Ohrt, Jennifer Gecan, legal representative, Lou Gecan, deceased