Patents by Inventor Lother Hentz

Lother Hentz 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).

  • Steel for foundry roll shells
    Patent number: 5939019
    Abstract: The invention relates to a steel for foundry roll shells comprising (in % by weight)0.1 to 0.4% carbon0.1 to 0.8% silicon0.2 to 0.7% manganese2.0 to 2.9% chromium0.2 to 0.9% nickel0.5 to 1.2% molybdenum0.3 to 0.7% vanadium0.15 to 0.3% columbium0.10 to 0.3% nitrogenbalance iron and incidental impurities.
    Type: Grant
    Filed: October 19, 1998
    Date of Patent: August 17, 1999
    Inventors: Gerald Stein, Lother Hentz, Heinz-Albert Weber, Hermann-Josef Skotz, Udo Riepe