Patents by Inventor Johann Kowalczyk

Johann Kowalczyk 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).

  • Tile
    Patent number: 6723434
    Abstract: The invention relates to a tile for placing on walls, floors or the like using adhesive mortar. The inventive tile comprises a transparent glass layer (1) and a colored layer (4) which is placed on the rear side of the glass layer. In order to obtain a particular optical effect, the glass layer (1) is heat treated and the colored layer (4) is comprised of a lacquer which is compatible with adhesive mortar.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: April 20, 2004
    Assignee: Villi Glas GmbH
    Inventors: Heimo Setten, Johann Kowalczyk
  • Divisional utility application
    Publication number: 20030138639
    Abstract: The invention relates to a tile for placing on walls, floors or the like using adhesive mortar. The inventive tile comprises a transparent glass layer (1) and a colored layer (4) which is placed on the rear side of the glass layer. In order to obtain a particular optical effect, the glass layer (1) is heat treated and the colored layer (4) is comprised of a lacquer which is compatible with adhesive mortar.
    Type: Application
    Filed: March 5, 2003
    Publication date: July 24, 2003
    Inventors: Heimo Setten, Johann Kowalczyk
  • Tile
    Patent number: 6544587
    Abstract: The invention relates to a tile for placing on walls, floors or the like using adhesive mortar. The inventive tile comprises a transparent glass layer and a colored layer which is placed on the rear side of the glass layer. In order to obtain a particular optical effect, the glass layer is heat treated and the colored layer is comprised of a lacquer, which is compatible with adhesive mortar.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: April 8, 2003
    Assignee: Villi Glas GmbH
    Inventors: Heimo Setten, Johann Kowalczyk