Patents by Inventor John Lude

John Lude 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).

  • Method for adding ingredient to steel as shot
    Patent number: 4389249
    Abstract: Alloying ingredients are added as shot to a pouring stream of molten steel flowing from a ladle to a casting mold. The size of the shot is controlled to enhance the recovery and uniformity of distribution in the steel of the alloying ingredients.
    Type: Grant
    Filed: April 22, 1982
    Date of Patent: June 21, 1983
    Assignee: Inland Steel Company
    Inventors: Michael O. Holowaty, Ian F. Hughes, John Lude