Patents by Inventor Otto E. Rieger

Otto E. Rieger 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).

  • Bucket conveyor
    Patent number: 5626220
    Abstract: The invention concerns a bucket conveyor in which the outer and inner links (5, 6) of the sprocket chain are connected to the buckets (1) by connector bars (2) and bushings (7, 9) which are inserted into the outer links and which, in addition, enclose the ends of link pins (10) that carry the inner links (6) via a common bushing (8) associated with them.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: May 6, 1997
    Assignee: RUD Kettenfabrik Rieger & Dietz GmbH u. Co.
    Inventors: Otto E. Rieger, Hans H. Dalferth, Zvonimir Bogdan, Hartwig Zenker