TREA

Combined upward and downward filtration

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Industry

  • CPC
  • B01D24/18
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Parent Industries

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

Current Industry

B01D24/18Combined upward and downward filtration
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Filter device
    • Patent number 12,330,091
    • Issue date Jun 17, 2025
    • BLUEWATER SWEDEN AB
    • Stefan Ericsson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of purifying natural water and wastewater
    • Patent number 12,234,170
    • Issue date Feb 25, 2025
    • Igor Semenovich Balaev
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Particulate filtering device with a multi-layer water distribution...
    • Patent number 12,103,863
    • Issue date Oct 1, 2024
    • Zhejiang Hengdong Environmental Technology Co., Ltd.
    • Lei Chen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water filter and assembly thereof
    • Patent number 10,046,981
    • Issue date Aug 14, 2018
    • Strauss Water Ltd
    • Haim Wilder
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water filtering device
    • Patent number 9,365,434
    • Issue date Jun 14, 2016
    • Strauss Water Ltd
    • Haim Wilder
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Liquid filter device
    • Patent number 9,034,192
    • Issue date May 19, 2015
    • Strauss Water Ltd
    • Haim Wilder
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Treatment unit for treating a fluid and method thereof
    • Patent number 6,475,382
    • Issue date Nov 5, 2002
    • CO2 Solution Inc.
    • Carmen Parent
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Systems and methods for clarifying liquids
    • Patent number 5,167,840
    • Issue date Dec 1, 1992
    • Infilco Degremont Inc.
    • Richard P. Jaccarino
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Water filtration process and apparatus having upflow filter with bu...
    • Patent number 4,547,286
    • Issue date Oct 15, 1985
    • Neptune Microfloc, Inc.
    • Andrew K. Hsiung
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Water purification device
    • Patent number 4,412,919
    • Issue date Nov 1, 1983
    • Takara Kogyo Co., Ltd.
    • Yoshihiko Ueda
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pressure filter for liquid, in particular water
    • Patent number 4,400,273
    • Issue date Aug 23, 1983
    • Eco-Pool Design Limited
    • Dirk Bastenhof
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fish tank filter
    • Patent number 4,220,530
    • Issue date Sep 2, 1980
    • Raymond S. Gabriele
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Liquid processing media bed drain system
    • Patent number 4,075,102
    • Issue date Feb 21, 1978
    • Combustion Engineering, Inc.
    • Charles Robert Ferrin
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process and device for the filtration of liquids polluted by suspen...
    • Patent number 4,052,300
    • Issue date Oct 4, 1977
    • Italba, S.p.A.
    • Franco Achille Mosso
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2369915
    • Patent number 2,369,915
    • Issue date Feb 20, 1945
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    1460168
    • Patent number 1,460,168
    • Issue date Jun 26, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1443794
    • Patent number 1,443,794
    • Issue date Jan 30, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1442895
    • Patent number 1,442,895
    • Issue date Jan 23, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1441864
    • Patent number 1,441,864
    • Issue date Jan 9, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1438539
    • Patent number 1,438,539
    • Issue date Dec 12, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1432350
    • Patent number 1,432,350
    • Issue date Oct 17, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1432351
    • Patent number 1,432,351
    • Issue date Oct 17, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1430950
    • Patent number 1,430,950
    • Issue date Oct 3, 1922
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    1423346
    • Patent number 1,423,346
    • Issue date Jul 18, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1423347
    • Patent number 1,423,347
    • Issue date Jul 18, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    330907
    • Patent number 330,907
    • Issue date Nov 24, 1885
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    AUTOMATED AND SELF-CLEANING GRAVEL PACK FILTER SYSTEM FOR WATER TRE...
    • Publication number 20250177895
    • Publication date Jun 5, 2025
    • Saudi Arabian Oil Company
    • Rayed Mohammed Al-Zayer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER DEVICE
    • Publication number 20220305410
    • Publication date Sep 29, 2022
    • Bluewater Sweden AB
    • Stefan ERICSSON
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    WATER TREATMENT CARTRIDGE
    • Publication number 20220274034
    • Publication date Sep 1, 2022
    • STRAUSS WATER LTD
    • Haim WILDER
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    METHOD OF PURIFYING NATURAL WATER AND WASTEWATER
    • Publication number 20220127175
    • Publication date Apr 28, 2022
    • DYCLAR GMBH
    • Igor Semenovich BALAEV
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTRATION ARRANGEMENT AND METHOD
    • Publication number 20150314220
    • Publication date Nov 5, 2015
    • Enhydra Ltd.
    • David Douglas Lloyd
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    WATER FILTERING DEVICE
    • Publication number 20140048469
    • Publication date Feb 20, 2014
    • Strauss Water Ltd.
    • Haim Wilder
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LIQUID FILTER DEVICE
    • Publication number 20120168357
    • Publication date Jul 5, 2012
    • Strauss Water Ltd.
    • Haim Wilder
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Application

    Treatment unit for treating a fluid and method thereof
    • Publication number 20020074285
    • Publication date Jun 20, 2002
    • Carmen Parent
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL