Patents by Inventor Rainer Kronfoth

Rainer Kronfoth 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).

  • Inner coating of lamp vessels, such as discharge vessels of gas discharge lamps
    Patent number: 7965043
    Abstract: The invention relates to a discharge vessel of a quartz glass for discharge lamps with a diffusion barrier inner layer of silicon oxide, which as a single layer is applied and/or is generated on the inner surface as well as to a method for generating and/or applying such a diffusion barrier inner layer and to the use of such a discharge vessel.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: June 21, 2011
    Assignee: Auer Lighting GmbH
    Inventors: Thomas Küpper, Margareta Hamel, Christoph Mölle, Dietmar Ehrlichmann, Rainer Kronfoth, Klaus Günther
  • Inner coating of lamp vessels, such as discharge vessels of gas discharge lamps
    Publication number: 20090140628
    Abstract: The invention relates to a discharge vessel of a quartz glass for discharge lamps with a diffusion barrier inner layer of silicon oxide, which as a single layer is applied and/or is generated on the inner surface as well as to a method for generating and/or applying such a diffusion barrier inner layer and to the use of such a discharge vessel.
    Type: Application
    Filed: December 19, 2005
    Publication date: June 4, 2009
    Applicant: SCHOTT AG
    Inventors: Thomas Kuepper, Margareta Hamel, Christoph Moelle, Dietmar Ehrlichmann, Rainer Kronfoth, Klaus Guenther