Patents by Inventor Ingrid Maili

Ingrid Maili 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).

  • PM high-speed steel having high elevated-temperature strength
    Patent number: 6652617
    Abstract: A high-speed steel article, particularly a cutting tool, produced by powder metallurgy and its production, the steel having a high degree of purity corresponding to a K0 value of no higher than 3 according to DIN 50 602 and being of a particular composition which comprises the elements C, Si, Mn, Cr, W, Mo, V, Co, S and N. Also provided is a process for the high-speed machining of metal parts without lubricants.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: November 25, 2003
    Assignee: Böhler Edelstahl GmbH
    Inventors: Ingrid Maili, Roland Rabitsch, Werner Liebfahrt