Patents by Inventor Eberhard Engelmann

Eberhard Engelmann 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).

  • Tear strip
    Patent number: 5093187
    Abstract: Subject of the invention is a tear strip having a supporting base stretched in predominantly one direction, which strip may be provided with an adhesive layer and is characterized in that it has a supporting base of at least one base layer, which is provided with at least one tough layer, which is tougher than the base layer.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: March 3, 1992
    Assignee: Beiersdorf AG
    Inventors: Eberhard Engelmann, Gert Schmeer
  • Adhesive tape
    Patent number: 4536441
    Abstract: The invention relates to an adhesive tape having a base material which is stretched more highly at right angles to the web direction than in the web direction, contains polypropylene as the main component, and is provided with at least one pressure-sensitive or heat-sealable adhesive layer, characterized in that the base material is foamed and that the stretch ratio in the web direction is 1:1 to 1:4 and at right angles to the web direction is 1:3 to 1:8, the stretch ratio at right angles to the web direction being greater than the stretch ratio in the web direction.
    Type: Grant
    Filed: June 11, 1984
    Date of Patent: August 20, 1985
    Assignee: Beiersdorf Aktiengesellschaft
    Inventors: Gert Schmeer, Eberhard Engelmann, Karl Schafer