Patents by Inventor Herbert Stappen

Herbert Stappen 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).

  • Solarization stable borosilicate glass and uses thereof
    Patent number: 7217673
    Abstract: The borosilicate glass of the invention is highly resistant to solarization, because it is free of CeO2. Also it contains 0.01 to 0.05 wt. % of Fe2O3 and 0.05 to 0.8 wt. % of TiO2. This borosilicate glass is especially advantageous for production of flash tubes, gas discharge lamps, and fluorescent tubes for brake lights and display backlights.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: May 15, 2007
    Assignee: Schott AG
    Inventors: Karin Naumann, Simone Ritter, Franz Ott, Herbert Stappen
  • Solarization stable borosilicate glass and uses thereof
    Publication number: 20060205583
    Abstract: The invention relates to a borosilicate glass consisting of 0.01 0.05 wt. % Fe2O3 and 0.05 0.8 wt. % TiO2, which is highly resistant to solarization and which is especially suitable for use as backlight bulbs.
    Type: Application
    Filed: February 20, 2002
    Publication date: September 14, 2006
    Inventors: Karin Naumann, Simone Ritter, Franz Ott, Herbert Stappen