Patents by Inventor Alan W. Cramb

Alan W. Cramb 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).

  • Drain hole design for ladle
    Patent number: 4746102
    Abstract: This invention is directed to a system for reducing the yield loss from a metallurgical vessel, such as a ladle holding liquid metal having a slag layer thereon, by delaying the onset of slag entrapment in the metal stream during the tapping thereof. More particularly, such system includes a modification to the drain hole and/or bottom of such vessel.
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: May 24, 1988
    Assignee: Bethlehem Steel Corporation
    Inventors: Herbert L. Gilles, Manfred Schmidt, Alan W. Cramb
  • Continuous casting slag
    Patent number: 4624707
    Abstract: A synthetic slag composition for the continuous casting of steel. The slag composition is used in the tundish to condition and remove sulfur from the molten steel prior to the steel being introduced into the continuous casting mold.
    Type: Grant
    Filed: October 11, 1985
    Date of Patent: November 25, 1986
    Assignee: Bethlehem Steel Corporation
    Inventors: Alan W. Cramb, Michael Byrne