Patents by Inventor Heiko Pietzsch

Heiko Pietzsch 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).

  • Package having a tear-open strip
    Patent number: 4927028
    Abstract: A package for holding pourable products includes a body of composite sheet material having a closure seam that extends across the body. A tear-open strip is positioned on the body between the block and the closure seam and a side weld is located along a portion of the side edge of the package. A punch cut which defines a grip tab, is positioned in the side weld. The grip tab is adapted to be gripped by a user in order to initiate tearing of the pacakge.
    Type: Grant
    Filed: June 17, 1988
    Date of Patent: May 22, 1990
    Assignee: Jacobs Suchard AB
    Inventors: Gerhard Hemm, Gerhard Clausing, Heiko Pietzsch