Patents by Inventor Ernst Hoppe

Ernst Hoppe 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: 4838071
    Abstract: The invention relates to a method of determining the filling capacity of a pneumatic conveying arrangement by three pressure measurements. The invention also relates to a method of calibrating a pneumatic conveying arrangement using this determination of the filling capacity. These measurements are conveying pressure, pressure at the top of the vessel from which the material is conveyed, and pressure at the top of the vessel to which the material is conveyed.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: June 13, 1989
    Assignee: Krupp Polysius AG
    Inventors: Ernst Hoppe, Franz-Josef Adrian