Patents by Inventor Heinz Dotzler

Heinz Dotzler 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).

  • Selective coating of the interior of glass tubes with a metallic mirror surface
    Patent number: 6902761
    Abstract: The invention relates to a method for the interior metal-coating of glass tubes, with the metal-coated surface being a cylindrical shell. In accordance with the invention such a method comprises the following process steps: the glass tube is sealed off at either end; the glass tube is brought to a horizontal position: a sensitizer solution is introduced into the interior space of the glass tube in such a quantity that the interior space is only partly filled; the sensitizer solution is removed from the interior space after a certain dwell period; a mirror-coating solution is introduced into the interior space of the glass tube, with the entire interior surface of the glass tube being wetted by the mirror-coating solution; the used-up mirror-coating solution is removed from the interior space of the glass tube.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: June 7, 2005
    Assignee: Schott AG
    Inventors: Stephan Tratzky, Heinz Dotzler, Matthias Müller, Joachim Pfeifer, Michael Siller, Leonid Schulz, Gottfried Haas
  • Method for the interior metal-coating of glass tubes, especially for solar collectors
    Publication number: 20030113448
    Abstract: The invention relates to a method for the interior metal-coating of glass tubes, with the metal-coated surface being a cylindrical shell.
    Type: Application
    Filed: October 7, 2002
    Publication date: June 19, 2003
    Inventors: Stephan Tratzky, Heinz Dotzler, Matthias Muller, Joachim Pfeifer, Michael Siller, Leonid Schulz, Gottfried Haas