Patents by Inventor Ulrich Hoeppe

Ulrich Hoeppe 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).

  • Alumina ceramic and mehtod for its manufacture
    Publication number: 20050230884
    Abstract: A ceramic material made of alumina and titanium oxide, which is practically free from additives, achieves a high quality factor Q by annealing the material after sintering. Qualities of up to 17,900 at a measuring frequency of 10 GHz can be achieved.
    Type: Application
    Filed: May 12, 2003
    Publication date: October 20, 2005
    Inventors: Martin Schallner, Andreas Opp, Ulrich Hoeppe