Patents by Inventor Peter Kirnbauer

Peter Kirnbauer 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).

  • Process and apparatus for the production of articles consisting of ceramic material
    Patent number: 4496501
    Abstract: A process for the production of articles consisting of ceramic material comprises the steps of: extruding a starting material which is of a plastic consistency and contains clay to form a string having at least one longitudinal channel; drying, firing and cooling the string; passing a gaseous medium, for example air, through said at least one longitudinal channel of the string or sections thereof; and subsequently dividing the string or sections thereof into individual articles. There is also provided an apparatus for carrying out the process.
    Type: Grant
    Filed: December 21, 1982
    Date of Patent: January 29, 1985
    Assignee: Wienerberger Baustoffindustrie Aktiengesellschaft
    Inventors: Walter Linke, Peter Kirnbauer, Rudolf Indra