Patents by Inventor Gerhard Hemm

Gerhard Hemm 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).

  • Pack, composite sheet for producing a pack, apparatus for producing the composite sheet, and process for producing vacuum packs
    Patent number: 4993555
    Abstract: Pack.Packs consisting of a multilayer composite sheet are frequently used for holding aroma-sensitive commodities, particularly ground roasted coffee. The pack is composed of a central (coffee) block (10) and of fin folds projecting at both ends. In the region of the fin folds a tear-open strip (17) is provided under a closure seam (11) to facilitate the opening of the pack.The tear-open strip (17) likewise consists of a composite sheet and is connected to the pack-composite sheet by heat sealing to ensure that there is no impairment of taste of the pack's contents while at the same time guaranteeing a high-strength connection.
    Type: Grant
    Filed: August 10, 1989
    Date of Patent: February 19, 1991
    Assignee: Jacobs Suchard AG
    Inventor: Gerhard Hemm
  • 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