Patents by Inventor Jürgen Eckhart

Jürgen Eckhart 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).

  • Monophasic Tungsten Carbide
    Patent number: 7108831
    Abstract: The present invention relates to a method of producing tungsten carbide by gas phase direct carburization of a tungsten-oxide containing starting material, wherein the starting material is reacted with a reaction gas at an increased temperature. The starting material is first heated to a first temperature greater than or equal to 600° C., before reacting with a reaction gas while increasing the temperature to a second temperature that does not exceed 850° C., wherein the reaction gas is selected from the group consisting of CO and a COH2 gas mixture comprising up to 20% by volume H2.
    Type: Grant
    Filed: June 19, 2003
    Date of Patent: September 19, 2006
    Assignee: Treibacher Industrie AG
    Inventors: Jürgen Eckhart, Jürgen Leitner, Kurt Rabitsch