Patents by Inventor Thomas Haferkorn

Thomas Haferkorn 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).

  • Feedstock and method for preparing the feedstock
    Patent number: 9034210
    Abstract: A feedstock for injection molding includes a ceramic filler that is sinterable to produce a ceramic with a positive temperature coefficient of electrical resistance, a matrix for binding the ceramic filler, the matrix having a melting point lower than a melting point of the ceramic filler, and metallic impurities. A content of the metallic impurities in the feedstock is lower than 10 ppm.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: May 19, 2015
    Assignee: EPCOS AG
    Inventors: Jan Ihle, Verena Fischer, Karin Hajek, Gerd Scheiwe, Thomas Haferkorn, Moritz V. Witzleben
  • Feedstock and Method for Preparing the Feedstock
    Publication number: 20090146116
    Abstract: A feedstock for injection molding includes a ceramic filler that is sinterable to produce a ceramic with a positive temperature coefficient of electrical resistance, a matrix for binding the ceramic filler, the matrix having a melting point lower than a melting point of the ceramic filler, and metallic impurities. A content of the metallic impurities in the feedstock is lower than 10 ppm.
    Type: Application
    Filed: December 5, 2007
    Publication date: June 11, 2009
    Inventors: Jan Ihle, Verena Fischer, Karin Hajek, Gerd Scheiwe, Thomas Haferkorn, Moritz V. Witzleben