Patents by Inventor Monica Witzmann

Monica Witzmann 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).

  • Cooking device with a glass-ceramic panel providing a cooking surface in a variety of different colors and method of making same
    Publication number: 20050016521
    Abstract: The glass ceramic panels are non-transparent and have at least one decoration. In order to fulfill the requirements for a glass ceramic panel that provides a cooking surface for a cooking unit in a variety of different pleasing colors, especially a creamy white color shade (BISQUE), in an economical manner, the glass ceramic panel has a predominant crystalline phase of keatite mixed crystals and a full-surface decorative coating that covers at least 80 percent of the upper smooth surface of the glass ceramic substrate. The full-surface decorative coating is provided in a different color from,the glass ceramic panel. Methods for making these glass ceramic panels are described.
    Type: Application
    Filed: August 6, 2004
    Publication date: January 27, 2005
    Inventors: Monica Witzmann, Angelina Milanovska, Daniela Petto, Dietmar Wennemann, Dieter Schoenig, Friedrich Siebers