Patents by Inventor Stefan Lennartz

Stefan Lennartz 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).

  • Device for splitting foam bodies
    Patent number: 10065332
    Abstract: A thin layer is cut from a foam material body using a band-knife. A take-off device that lifts and removes the layer from the cutting site, includes a belt conveyor with an electrostatically chargeable conveyor element. The layer is lifted and removed from the cutting site by electrostatic attraction to the conveyor element.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: September 4, 2018
    Assignee: Fecken-Kirfel GmbH & Co. KG
    Inventors: Norbert Leyens, Stefan Lennartz
  • DEVICE FOR SPLITTING FOAM BODIES
    Publication number: 20120247290
    Abstract: A thin layer is cut from a foam material body using a band-knife. A take-off device that lifts and removes the layer from the cutting site, comprises a belt conveyor with an electrostatically chargeable conveyor element. The layer is lifted and removed from the cutting site by electrostatic attraction to the conveyor element.
    Type: Application
    Filed: December 20, 2010
    Publication date: October 4, 2012
    Applicant: Fecken-Kirfel GmbH & Co. KG
    Inventors: Norbert Leyens, Stefan Lennartz