Patents by Inventor Alan L. Robson

Alan L. Robson 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).

  • Production of steel
    Patent number: 4430117
    Abstract: The invention provides a process for the production of steel comprising the steps of providing a ferrous melt in a container, introducing iron ore into the container and separately introducing carbonaceous material into the melt, blowing an oxidizing gas at the upper surface of the melt by means of an overhead lance, and injecting a stirring gas directly into the melt below the upper surface thereof.
    Type: Grant
    Filed: October 28, 1982
    Date of Patent: February 7, 1984
    Assignee: British Steel Corporation
    Inventors: Gene D. Spenceley, Mervyn W. Davies, Alan L. Robson
  • Rotating furnaces
    Patent number: 4102530
    Abstract: A rotatable horizontal metallurgical furnace for the production of iron or steel includes cooling means at an open discharge end of the furnace. The cooling means includes an annular cooling coil surrounding the discharge end through which cooling liquid is continuously impelled, under centrifugal forces of rotation, from an annular delivery trough to an annular collecting trough.
    Type: Grant
    Filed: July 11, 1977
    Date of Patent: July 25, 1978
    Assignee: British Steel Corporation
    Inventors: David A. Hawkes, Alan L. Robson, Andray Uemlianin