Patents by Inventor Rudolf Willach

Rudolf Willach 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).

  • Bowl mill
    Patent number: 4600157
    Abstract: A bowl mill has a vertical mechanism to drive a milling bowl and a hot-air supply to an air box positioned below the bowl. An evacuator is positioned in the air box to prevent the box from overflowing when the mill shuts down suddenly. The evacuator has a drive mechanism that is separate from and independent of the mechanism that drives the mill.
    Type: Grant
    Filed: October 31, 1984
    Date of Patent: July 15, 1986
    Assignee: Deutsche Babcock Werke Aktiengesellschaft
    Inventors: Rudolf Willach, Gunter Dibowski