Patents Assigned to Leningradsky Nauchno-Issledovalelsky Institut Akademii Kommunnogo Khozualstua Imeni Pamfilova
  • Filter for treatment of natural and waste water
    Patent number: 4152266
    Abstract: The filter for treatment of natural and waste water comprises a housing accommodating a body of a granular filtering material. Disposed above the filtering body is a system of troughs communicating with a collecting-distributing duct. Disposed in the lowermost bed of the filtering body is a draining-distributing system communicating with the charging or delivery duct. The charging duct is provided with a device for positive distribution of water over the length thereof.
    Type: Grant
    Filed: April 26, 1977
    Date of Patent: May 1, 1979
    Assignee: Leningradsky Nauchno-Issledovalelsky Institut Akademii Kommunnogo Khozualstua Imeni Pamfilova
    Inventors: Yakov B. Lazovsky, Mark G. Novikov