Patents by Inventor Fritz Toepel

Fritz Toepel 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: 4899915
    Abstract: The invention relates to a container for bulk goods in substantially solid form, having a central conduit arranged in the center of the container and between the inlet opening and the outlet opening, the conduit having openings in its wall for connection with the body of the container.The invention further relates to a method of evacuation of a container containing bulk goods in substantially solid form, the container having a central conduit extending between the inlet opening and the outlet opening and openings in the conduit for connection with the body of the container, which method comprises maintaining a lower material pressure of the bulk goods in the conduit in the area above the outlet point than in other areas in the conduit and in the body of the container. The invention further relates to a method for emptying the container by maintaining the material pressure of the bulk goods in the conduit in the area above the outlet point at below a specified value.
    Type: Grant
    Filed: September 6, 1984
    Date of Patent: February 13, 1990
    Assignee: Heidelberger Zement AG
    Inventor: Fritz Toepel