Patents by Inventor Willi Konrath

Willi Konrath 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).

  • Method and apparatus for the pneumatic conveying of milk powder
    Patent number: 4087134
    Abstract: Milk powder, or similar powder which is liable to smear when under mechanical stress, is conveyed in sucessive plugs or batches in a suction flow which is interrupted at intervals according to the batch size. In apparatus for this purpose, an interval-controlled valve is provided in a suction conveying conduit which is connected via an inlet chamber to the outlet of a container for the powder. The container may have at its outlet a loosening floor operable with pulses of compressed air controlled synchronously with said interval-controlled valve.
    Type: Grant
    Filed: October 5, 1976
    Date of Patent: May 2, 1978
    Assignee: AZO-Maschinenfabrik Adolf Zimmermann
    Inventors: Walter Jordan, Willi Konrath