Patents by Inventor Brian C. Welbourn

Brian C. Welbourn 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).

  • Melting of metals
    Patent number: 4701216
    Abstract: The invention provides a method of melting and superheating ferrous material comprising the steps of charging a vessel with ferrous material and injecting into the vessel coal and oxygen in such ratios as to combust the coal to provide adequate heat for the melting of the ferrous material and to provide residual carbon in the melt to superheat the melt upon oxidation of the carbon.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: October 20, 1987
    Assignee: British Steel Corporation
    Inventors: Gene D. Spenceley, Brian C. Welbourn
  • Metal refining processes
    Patent number: 4411697
    Abstract: The invention provides a process for refining steel comprising the steps of blowing a refining gas at the upper surface of the melt contained in a refining vessel by means of an overhead lance; injecting a stirring or processing gas directly into the vessel below the surface level of the melt therein; and introducing carbon from above onto or through the upper surface of the melt in the refining vessel.
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: October 25, 1983
    Assignee: British Steel Corporation
    Inventors: Gene D. Spenceley, Brian C. Welbourn