Patents by Inventor Jelena Sekulic

Jelena Sekulic 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).

  • Zirconia-alumina ceramic materials
    Patent number: 8927446
    Abstract: The present invention provides a ceramic material comprising: a first phase comprising zirconia, yttrium and cerium, wherein the yttrium and cerium are present in a molar ratio of 0.15 to 0.5 and in a combined amount of 5 to 15 mol %, a second phase comprising alumina, and a third phase comprising metal aluminate platelets.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: January 6, 2015
    Assignee: Aktiebolaget SKF
    Inventors: Lars Kahlman, Charlotte Vieillard, Jelena Sekulic, Knut Henrik Johansen, Hans Hillen Schjelderup
  • ZIRCONIA-ALUMINA CERAMIC MATERIALS
    Publication number: 20120163744
    Abstract: The present invention provides a ceramic material comprising: a first phase comprising zirconia, yttrium and cerium, wherein the yttrium and cerium are present in a molar ratio of 0.15 to 0.5 and in a combined amount of 5 to 15 mol %, a second phase comprising alumina, and a third phase comprising metal aluminate platelets.
    Type: Application
    Filed: June 30, 2009
    Publication date: June 28, 2012
    Applicant: AKTIEBOLAGET SKF
    Inventors: Lars Kahlman, Charlotte Vieillard, Jelena Sekulic, Knut Henrik Johensen, Hans Hillen Schjelderup