Patents by Inventor Ivan Essen

Ivan Essen 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).

  • Patent number: 11225032
    Abstract: A device for producing tubular bags sealed on multiple sides, the device including a forming shoulder for deforming a plane film web into an envelope web and a forming tube surrounded by the envelope web, the forming tube having, adjacent to a forming shoulder outlet, fins for forming film overlap areas, and a film guide having first and second film guide elements, each of which is associated with one of the fins.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: January 18, 2022
    Assignee: HASTAMAT VERPACKUNGSTECHNIK GMBH & CO. KG
    Inventors: Ivan Essen, Olaf Piepenbrock
  • Publication number: 20200164600
    Abstract: A device for producing tubular bags sealed on multiple sides, the device including a forming shoulder for deforming a plane film web into an envelope web and a forming tube surrounded by the envelope web, the forming tube having, adjacent to a forming shoulder outlet, fins for forming film overlap areas, and a film guide having first and second film guide elements, each of which is associated with one of the fins.
    Type: Application
    Filed: November 25, 2019
    Publication date: May 28, 2020
    Inventors: Ivan Essen, Olaf Piepenbrock