Patents by Inventor Bruno Burkhard

Bruno Burkhard 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: 5246176
    Abstract: Cleaning means having at least one blast pipe (8) which ensure uniform falling conditions inside return conduits (6) are arranged on a squeezing roll mill (1, 2) having lateral return conduits (6).
    Type: Grant
    Filed: April 2, 1992
    Date of Patent: September 21, 1993
    Assignee: Buhler AG
    Inventors: Wilhelm Fetzer, Bruno Burkhard