Patents by Inventor Karl-Josef Ehrhart

Karl-Josef Ehrhart 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: 5147062
    Abstract: A pack container for liquids is described, comprising an upright folded carton containing an inside bag of plastic material. In its upper region the pack container is slanted on one or two sides to roughly approximate the appearance of a washing concentrate bottle. Optionally the pack container can be provided with a filling and pouring sleeve with a screw cap closure arranged in its head end or it can be opened at one of its slanted sides, whereby zig-zag shaped folded sections of the main surface areas (1, 4) of the folded carton can be uprighted to thus form a pouring opening in which a corner tail of the inside bag is accessible for cutting off.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: September 15, 1992
    Inventors: Erich Heuberger, Karl-Josef Ehrhart
  • Patent number: 4572422
    Abstract: A container with an inner pouch, particularly for liquids such as oil, vinegar or fruit juices or for bulk goods or the like, consisting of an outer cardboard shell such as that used in folding boxes, with bottom flaps and top flaps respectively connected together, particularly glued together, and a leakproof inner pouch closed at its upper and/or lower ends by a sealed or welded seam and having a closable spout projecting through an opening in one wall of the shell, wherein the upper portion (17) of one of the two narrow side walls (18), containing the opening (16) for the spout (15) connected with the inner pouch (12), is inwardly inclined when the container is closed and the upper triangular wall portions (19) of the two wider side walls (20), located adjacent to the inclined upper narrow wall portion (17), are folded inwardly along their angle bisectors (21).
    Type: Grant
    Filed: September 27, 1984
    Date of Patent: February 25, 1986
    Assignee: Carl Edelmann Verpackungstechnik GmbH
    Inventors: Erich Heuberger, Wolf-Dieter Knorrich, Karl-Josef Ehrhart