Patents by Inventor Gustav-Dieter Edelhoff

Gustav-Dieter Edelhoff 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: 4917246
    Abstract: A stackable parallelepipedic container comprises an annular peripheral box-shaped profiled top edge portion (9, 10), which is provided at the top portions of the side walls of the container body and has a top portion for supporting a container cover (13). The container is stable, shockproof structure and can be handled in a simple manner and used to store solid and liquid materials. The container cover (13) consists of a flanged blank having lug-like extensions (22), which protrude from the side edges (21) of the cover and are disposed at right angles about the side edges (21) of the cover. Profiled metal strips (26) are welded to the extensions (22) and constitute an annular peripheral profiled edge portion (40) of the cover. The profiled edge portion (40) of the cover is supported by a peripheral sealing ring (12) on the top portion of the profiled top edge portion of the container body.
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: April 17, 1990
    Assignee: Edelhoff Polytechnik GmbH & Co.
    Inventor: Gustav-Dieter Edelhoff