Patents by Inventor Joachim Bartetzko

Joachim Bartetzko 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).

  • Permanent characterization of glass panes
    Patent number: 5565237
    Abstract: A means of permanently characterizing a glass workpiece (1) which is subjected to a heat treatment period during processing. An organic paint is utilized to apply identifying characteristics (3), and an inorganic bake-on paint is used to create an opaque permanent layer (5) in the region of the identifying characteristics (3). Heat treatment is utilized to create surface marks (4) on the workpiece (1) from the vaporization and burning of the organic paint into the inorganic paint.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: October 15, 1996
    Assignee: Saint Gobain Vitrage International
    Inventor: Joachim Bartetzko