Patents by Inventor Robert Amann

Robert Amann 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: 4178114
    Abstract: A rotatable cylinder or the like is provided between the branch duct and the main transporting duct in order to draw off a part flow of flock-laden air from the main air stream passing through the transport duct. The cylinder may be an integral part of the branch duct or a separate member. Rotation of the cylinder effects withdrawal of a part flow from the transport duct.
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: December 11, 1979
    Assignee: Rieter Machine Works, Ltd.
    Inventors: Robert Amann, Werner Lattmann, Rudolf Wildbolz