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  • B01D24/004
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BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01DSEPARATION B01D24/00Filters comprising loose filtering material

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B01D24/004arranged concentrically or coaxially
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Water softening device for use for a pet
    • Patent number 10,053,377
    • Issue date Aug 21, 2018
    • Etec Inc.
    • Shiro Ono
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method and apparatus for filtering stormwater
    • Patent number 10,053,372
    • Issue date Aug 21, 2018
    • Jayant M. Dholakia
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Filter appliance and inner container for a filter appliance
    • Patent number 7,455,769
    • Issue date Nov 25, 2008
    • Brita GmbH
    • Bernd Heitele
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Filter device for garden ponds or similar
    • Patent number 7,093,720
    • Issue date Aug 22, 2006
    • Oase Wübker GmbH & Co. KG
    • Dieter Hoffmeier
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Clarifier for liquids laden with suspended matter
    • Patent number 6,312,592
    • Issue date Nov 6, 2001
    • Roumen Kaltchev
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Oil filter including replaceable primary and secondary flow filter...
    • Patent number 5,698,097
    • Issue date Dec 16, 1997
    • Knecht Filterwerke GmbH
    • Hans Gebert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Filter for liquids, in particular internal-combustion engine lubric...
    • Patent number 5,589,060
    • Issue date Dec 31, 1996
    • Knecht Filterwerke GmbH
    • Hans Gebert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Deep bed filtration system
    • Patent number 5,520,804
    • Issue date May 28, 1996
    • Andritz Sprout-Bauer, Inc.
    • Stephen D. Ward
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Water clarifier with first filtrate isolation, improved backwashing...
    • Patent number 5,320,750
    • Issue date Jun 14, 1994
    • Milos Krofta
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Compact clarifier system for municipal waste water treatment
    • Patent number 5,306,422
    • Issue date Apr 26, 1994
    • Lenox Institute of Water Technology, Inc.
    • Milos Krofta
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Apparatus for aerating water
    • Patent number 5,160,611
    • Issue date Nov 3, 1992
    • Lenox Institute for Research, Inc.
    • Milos Krofta
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water filter with extended operational period
    • Patent number 5,149,428
    • Issue date Sep 22, 1992
    • Atlas Corporation
    • Yukichi Morimoto
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Water clarifying apparatus
    • Patent number 5,078,861
    • Issue date Jan 7, 1992
    • Lenox Institute for Research, Inc.
    • Milos Krofta
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Two-chamber fluid/solids treatment vessel
    • Patent number 5,068,029
    • Issue date Nov 26, 1991
    • Tigg Corporation
    • Donald D. Tiggelbeck
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Water clarifying apparatus
    • Patent number 4,931,175
    • Issue date Jun 5, 1990
    • Lenox Institute for Research, Inc.
    • Milos Krofta
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Biological filtration device
    • Patent number 4,894,149
    • Issue date Jan 16, 1990
    • Steven J. Block
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for continuous contacting of fluids and solids
    • Patent number 4,808,317
    • Issue date Feb 28, 1989
    • Advanced Separation Technologies Incorporated
    • W. Wes Berry
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Device for continuous contacting of fluids and solids
    • Patent number 4,764,276
    • Issue date Aug 16, 1988
    • Advanced Separation Technologies Incorporated
    • W. Wes Berry
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Automatic backwashing filter
    • Patent number 4,673,498
    • Issue date Jun 16, 1987
    • Swinney Engineering Limited
    • Denis P. Swinney
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus for clarification of water
    • Patent number 4,626,345
    • Issue date Dec 2, 1986
    • Lenox Institute for Research, Inc.
    • Milos Krofta
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Filtering apparatus
    • Patent number 4,454,033
    • Issue date Jun 12, 1984
    • Norbertus Verduyn
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus and method for clarification of water using combined flot...
    • Patent number 4,377,485
    • Issue date Mar 22, 1983
    • Lenox Institute for Research, Inc.
    • Milos Krofta
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Filter and method
    • Patent number 4,082,664
    • Issue date Apr 4, 1978
    • Ecodyne Corporation
    • Anders Lindstol
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filters
    • Patent number 3,984,327
    • Issue date Oct 5, 1976
    • Michael Axton May
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3757954
    • Patent number 3,757,954
    • Issue date Sep 11, 1973
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3565799
    • Patent number 3,565,799
    • Issue date Feb 23, 1971
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3547270
    • Patent number 3,547,270
    • Issue date Dec 15, 1970
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3500652
    • Patent number 3,500,652
    • Issue date Mar 17, 1970
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3493117
    • Patent number 3,493,117
    • Issue date Feb 3, 1970
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3458047
    • Patent number 3,458,047
    • Issue date Jul 29, 1969
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents