Patents by Inventor Christopher Martin Hayman

Christopher Martin Hayman 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).

  • Electric arc furnace steelmaking
    Patent number: 8057570
    Abstract: Efficient coordination of processing (by desulphurizing) and moving hot metal from a direct smelter, producing hot metal on a continuous basis, to an electric arc furnace or furnaces, operating on a batch basis, is disclosed. The invention includes the use of hot metal storage devices, such as ladles, that are large enough to supply hot metal for a small number, preferably two or three, of electric arc furnace batch operations.
    Type: Grant
    Filed: October 10, 2005
    Date of Patent: November 15, 2011
    Assignee: Technological Resources Pty. Limited
    Inventors: Christopher Martin Hayman, Stephan Heinz Josef Victor Weber
  • Electric Arc Furnance Steelmaking
    Publication number: 20090293671
    Abstract: Efficient coordination of processing (by desulphurising) and moving hot metal from a direct smelter, producing hot metal on a continuous basis, to an electric arc furnace DIRECT or furnaces, operating on a batch basis, is disclosed. The invention includes the use of hot metal storage devices, such as ladles, that are large enough to supply hot metal for a small number, preferably two or three, of electric arc furnace batch operations.
    Type: Application
    Filed: October 10, 2005
    Publication date: December 3, 2009
    Applicant: TECHNOLOGICAL RESOURCES PTY. LIMITED
    Inventors: Christopher Martin Hayman, Stephan Heinz Josef Victor Weber