Patents Assigned to Koppern Equipment, Inc.
  • Air separator for comminuted materials
    Patent number: 7854406
    Abstract: An air separator is provided with a rotor positioned above three concentric vessels. The rotor and a plurality of entry ports segregate comminuted material into the three vessels. An exit port from each vessel directs the separated comminuted material for further comminution processes, such as to a ball mill or a roll press, or for use as a final product.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: December 21, 2010
    Assignee: Koppern Equipment, Inc.
    Inventor: Eberhard W. Neumann