Patents by Inventor Volker Endler

Volker Endler 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: 5074429
    Abstract: A window flap formed in the outer envelope of a bag-in-box pack for the removal of a dispenser may readily be reclosed if the insertion flap formed from an external head flap is drawn in from both sides at the fold crease and if an insertion slot securing the insertion flap folded inwards through about 90.degree. is associated with the insertion flap in the head flap (3) situated on the inside below the window flap.
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: December 24, 1991
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Siegfried Konkel, Dieter vom Hofe, Volker Endler