Patents Assigned to Community Recycling & Resource Recovery, Inc.
  • Compost purification method and apparatus
    Patent number: 5875898
    Abstract: Mature particulate compost containing plastic film fragments resulting from the comminution of green waste and the bags containing them, is freed of the plastic fragments during screening of the compost by drawing air upwards through the compost into at least one plenum chamber at a velocity sufficient to lift the plastic film fragment into the plenum chamber substantially free of compost.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: March 2, 1999
    Assignee: Community Recycling & Resource Recovery, Inc.
    Inventor: Thomas Fry