Patents by Inventor Richard L. Shultz

Richard L. Shultz 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).

  • Process for making pig iron
    Patent number: 5810905
    Abstract: A process for producing pig iron from iron ore fines wherein the fines are partially reduced in a fluid bed reactor and, without pelletizing, briquetting or otherwise agglomerating the partially reduced fines, injecting them with a lance below the surface of a bath of a submerged arc furnace.
    Type: Grant
    Filed: October 7, 1996
    Date of Patent: September 22, 1998
    Assignee: Cleveland Cliffs Iron Company
    Inventor: Richard L. Shultz