Patents Assigned to OASIS FILTER LTD.
  • LOW OPERATING HEAD POLISHING SAND FILTER
    Publication number: 20100072118
    Abstract: This invention relates to a novel low operating head polishing sand filter comprising: (a) a plural-layer media bed comprising small, medium and large crushed quartzite; (b) an untreated water inlet system; (c) an underdrain system; (d) a filtered water collection and outlet system; and (e) a backwash water inlet, collection and siphon outlet system.
    Type: Application
    Filed: June 1, 2007
    Publication date: March 25, 2010
    Applicant: OASIS FILTER LTD.
    Inventor: David H. Manz