Two story combinations of the Imhoff tank type

Industry

  • CPC
  • C02F3/2886
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • Information Patent Grant

    Upflow bioreactor with septum and pressure release mechanism

    • Patent number 7,699,976
    • Issue date Apr 20, 2010
    • Utah State University
    • Conly L. Hansen
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Anaerobic bioreactor for the wastewater-treatment plant

    • Patent number 7,022,226
    • Issue date Apr 4, 2006
    • Global Technology DT. Inc.
    • Seung Yuep Nam
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Three-phase separator and installation for biological purification...

    • Patent number 6,758,886
    • Issue date Jul 6, 2004
    • Paques Water Systems, B.V.
    • Sjoerd Hubertus Jozef Vellinga
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Settling device for a fluid containing liquid, gas and particulate...

    • Patent number 5,904,850
    • Issue date May 18, 1999
    • Paques B.V.
    • Sjoerd Hubertus Jozef Vellinga
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Fermentation process

    • Patent number 5,587,080
    • Issue date Dec 24, 1996
    • ADI, Limited
    • Robert Landine
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Fermentation apparatus

    • Patent number 5,505,848
    • Issue date Apr 9, 1996
    • ADI Limited
    • Robert Landine
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Waste water treatment system

    • Patent number 5,352,357
    • Issue date Oct 4, 1994
    • Cliff R. Perry
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Apparatus for anaerobic purification of waste water

    • Patent number 5,013,431
    • Issue date May 7, 1991
    • Meyn Machinefabriek, B.V.
    • Albert R. Doets
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for the anaerobic treatment of organic substrates

    • Patent number 4,746,433
    • Issue date May 24, 1988
    • Nobl; Ernst
    • Ernst Nobl
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Apparatus for anaerobic digestion of organic waste

    • Patent number 4,726,899
    • Issue date Feb 23, 1988
    • Cardiff Laboratories for Energy & Resources Limited
    • David A. Stafford
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Apparatus and method for the treatment of organic wastes

    • Patent number 4,521,310
    • Issue date Jun 4, 1985
    • Thomas J. Casey
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Apparatus for the anaerobic purification of waste water

    • Patent number 4,253,956
    • Issue date Mar 3, 1981
    • N.V. Centrale Suiker Maatschappij
    • Kees C. Pette
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Combined anaerobic reactor and settler

    • Patent number 4,165,285
    • Issue date Aug 21, 1979
    • N.V. Centrale Suiker Maatschappij
    • Evert Wind
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3919086

    • Patent number 3,919,086
    • Issue date Nov 11, 1975
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3844946

    • Patent number 3,844,946
    • Issue date Oct 29, 1974
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3841998

    • Patent number 3,841,998
    • Issue date Oct 15, 1974
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3794176

    • Patent number 3,794,176
    • Issue date Feb 26, 1974
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3335865

    • Patent number 3,335,865
    • Issue date Aug 15, 1967
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2889929

    • Patent number 2,889,929
    • Issue date Jun 9, 1959
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2717873

    • Patent number 2,717,873
    • Issue date Sep 13, 1955
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2432887

    • Patent number 2,432,887
    • Issue date Dec 16, 1947
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2359004

    • Patent number 2,359,004
    • Issue date Sep 26, 1944
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2348126

    • Patent number 2,348,126
    • Issue date May 2, 1944
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2331031

    • Patent number 2,331,031
    • Issue date Oct 5, 1943
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2272004

    • Patent number 2,272,004
    • Issue date Feb 3, 1942
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2226968

    • Patent number 2,226,968
    • Issue date Dec 31, 1940
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2190598

    • Patent number 2,190,598
    • Issue date Feb 13, 1940
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2154132

    • Patent number 2,154,132
    • Issue date Apr 11, 1939
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2129266

    • Patent number 2,129,266
    • Issue date Sep 6, 1938
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    1962430

    • Patent number 1,962,430
    • Issue date Jun 12, 1934
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents