Patents by Inventor Kurt Erhard

Kurt Erhard 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: 6394918
    Abstract: In a playing-field enclosure, particularly for ball games, having a peripheral, vertical band-including a plurality of sheet-type band elements that can be connected to one another with a form-fit in order to assure simple assembly and storage connecting elements are disposed between two respective sheet-type band elements, the connecting elements having a support surface and a connecting rib that extends vertically upward from the support surface; the connecting rib has vertically-extending U profiles on opposite sides or sides that are offset from one another by 90°, the band elements being inserted into the profiles with a form-fit; and the support surface has upwardly-extending retaining mandrels in the positioning region of the band elements, the mandrels engaging corresponding retaining recesses of the band elements inserted into the U profiles.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: May 28, 2002
    Assignee: Erhard Sport International GmbH & Co.
    Inventor: Kurt Erhard