Patents by Inventor Gebhardt Knuth

Gebhardt Knuth 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).

  • Abrasive Grains Based on Zirconia Alumina
    Publication number: 20130067828
    Abstract: Disclosed herein are abrasive grains based on zirconia alumina melted in an electric arc furnace, comprising a content of 52 to 62 wt % Al203 and 35 to 45 wt % ZrO2, wherein the high-temperature phases of the zirconia are stabilized by a combination of reduced Ti compounds and yttrium oxide.
    Type: Application
    Filed: May 10, 2010
    Publication date: March 21, 2013
    Applicant: CENTER FOR ABRASIVES AND REFRACTORIES RESEARCH & DEVELOPMENT C.A.R.R.D. GMBH
    Inventor: Gebhardt Knuth