Patents by Inventor Manfred J. Durr

Manfred J. Durr 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).

  • Cyclone construction
    Patent number: 4662909
    Abstract: A cyclone separator construction has a gas supply pipe which joins a horizontal inlet spiral of the cyclone and is inclined downwadly at an angle of between 30 degrees and 70 degrees with the horizontal. In this way disruptive material deposits in the inlet region of the cyclone are avoided.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: May 5, 1987
    Assignee: Krupp Polysius AG
    Inventor: Manfred J. Durr