Patents by Inventor Gerald LEITNER

Gerald LEITNER 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).

  • Extrusion nozzle with insert element
    Patent number: 12679017
    Abstract: An extrusion nozzle for an extrusion device for extruding plastic profiles includes at least one nozzle plate which has at least one flow channel for plastic melt, and at least one insert element which is inserted into the at least one flow channel in order to reduce a cross-sectional area of the at least one flow channel through which the plastic melt can flow. At least one holding device is provided in the at least one flow channel, on which the at least one insert element is arranged.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: July 14, 2026
    Assignee: EXELLIQ AUSTRIA GMBH
    Inventors: Manuel Schnellenberger, Gerald Leitner, Ernst Kronegger
  • EXTRUSION NOZZLE WITH INSERT ELEMENT
    Publication number: 20230034650
    Abstract: The invention relates to an extrusion nozzle for an extrusion device for extruding plastic profiles, having at least one nozzle plate (1) which has at least one flow channel (2) for plastic melt, and at least one insert element (4) which is inserted into the at least one flow channel (2) in order to reduce a cross-sectional area of the at least one flow channel (2) through which the plastic melt can flow. At least one holding device (3) is provided in the at least one flow channel (2), on which the at least one insert element (4) is arranged.
    Type: Application
    Filed: December 21, 2020
    Publication date: February 2, 2023
    Applicant: GREINER EXTRUSION GROUP GMBH
    Inventors: Manuel SCHNELLENBERGER, Gerald LEITNER, Ernst KRONEGGER