Patents by Inventor Rudolf Poljanac

Rudolf Poljanac 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).

  • Method for the manufacture of a section for windows or doors
    Patent number: 6478916
    Abstract: The invention relates to a method for the manufacture of a section for windows or doors having an external surface and an internal surface and having at least one web which separates a chamber between the external surface and the internal surface. In accordance with the invention, in this method the at least one web is extruded in a first extruder line and led after at least partial cooling into a tool forming the section in which tool then the at least one web is welded to the section.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: November 12, 2002
    Assignee: Funke Kunstsoffe GmbH
    Inventors: Norbert Funke, Rudolf Poljanac