Patents Assigned to NEFCO
  • Cover system and method for making the same for use with a twin channel clarifier tank
    Patent number: 7591381
    Abstract: A cover system for a clarifier tank having a combined effluent and influent trough separated by a dividing wall. The cover system includes a mounting bracket attached to an inboard wall of the influent trough and at least one openable cover panel attached to the mounting bracket. An opposite support bracket is located on the dividing wall between the influent and the effluent troughs, where the cover panel covers the effluent channel and is openable for cleaning of the effluent channel.
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: September 22, 2009
    Assignee: NEFCO
    Inventor: Earle Schaller