Patents by Inventor Levin F. Lvovich

Levin F. Lvovich 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).

  • Austenitic steel
    Patent number: 5296054
    Abstract: The invention relates to a high-silicon-content corrosion-resistant austenitic steel, characterized by alloying contents (in % by weight) of______________________________________ max. 0.2% C 10 to 25% Ni 8 to 13% Cr 6.5 to 8% Si 0 to 10% Mn and/or Co max. 0.010% S max. 0.025% P ______________________________________residue iron and the usual admixtures and impurities due to manufacture.The steel is suitable as a material for the production of corrosion-resistant articles for the handling of highly concentrated hot sulphuric acid, highly concentrated hot nitric acid and other strongly oxidizing media, such as chromic acid, in the form of rolled plates, strips, pipes, rods, wires and other forms of product.
    Type: Grant
    Filed: June 4, 1992
    Date of Patent: March 22, 1994
    Assignees: I.P. Bardin Central Research Institute of Iron & Steel, Krupp-VDM GmbH
    Inventors: Levin F. Lvovich, Goronkova A. Dmitrievna, Kzasnykh V. Ivanovich, Rolf Kirchheiner, Michael Kohler, Ulrich Heubner