Patents Assigned to Wieseman Enterprises, Inc.
  • Self cleaning rotating fine polishing filter screen apparatus
    Patent number: 4812231
    Abstract: An apparatus is described which separates small solids from process waste water. A continuously rotating elongated drum screen in a three foot diameter flow channel removes the solids. The solids are deposited by spray wash into a dewatering chamber. The screen components include row of closely spaced links and pivot members connected end-to-end to form a continuous loop mounted within a frame driven by a variable speed motor.
    Type: Grant
    Filed: August 17, 1988
    Date of Patent: March 14, 1989
    Assignee: Wieseman Enterprises, Inc.
    Inventor: Bruce O. Wiesemann