making filtering elements, not provided for elesewhere

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  • CPC
  • B01D23/005
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical filter element, apparatus and method

    • Patent number 11,426,681
    • Issue date Aug 30, 2022
    • Evolution Aqua Limited
    • Nicholas John Jackson
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Mechanical filter element, apparatus and method

    • Patent number 11,389,751
    • Issue date Jul 19, 2022
    • Evolution Aqua Limited
    • Nicholas John Jackson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Espresso filter including hole uniformity enhancement region

    • Patent number 10,349,772
    • Issue date Jul 16, 2019
    • Voice Systems Technology, Inc.
    • Vincent Fedele
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Coffee filter fabrication method

    • Patent number 9,623,519
    • Issue date Apr 18, 2017
    • Voice Systems Technology, Inc.
    • Vincent Fedele
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Sieve having substantially plane sieve sheets and a method for its...

    • Patent number 4,287,066
    • Issue date Sep 1, 1981
    • Elfo AG Sachseln
    • Albert Greutert
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Water purification means and method

    • Patent number 4,094,779
    • Issue date Jun 13, 1978
    • Abraham S. Behrman
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method for assembling micro-filter units

    • Patent number 4,052,779
    • Issue date Oct 11, 1977
    • Charter-Wallace, Inc.
    • H. Eric Hunter
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus for assembling micro-filter units

    • Patent number 3,973,313
    • Issue date Aug 10, 1976
    • Carter-Wallace, Inc.
    • H. Eric Hunter
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3842006

    • Patent number 3,842,006
    • Issue date Oct 15, 1974
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3779387

    • Patent number 3,779,387
    • Issue date Dec 18, 1973
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3738889

    • Patent number 3,738,889
    • Issue date Jun 12, 1973
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3704786

    • Patent number 3,704,786
    • Issue date Dec 5, 1972
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3567033

    • Patent number 3,567,033
    • Issue date Mar 2, 1971
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3560385

    • Patent number 3,560,385
    • Issue date Feb 2, 1971
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3497068

    • Patent number 3,497,068
    • Issue date Feb 24, 1970
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3482703

    • Patent number 3,482,703
    • Issue date Dec 9, 1969
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3482709

    • Patent number 3,482,709
    • Issue date Dec 9, 1969
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3347967

    • Patent number 3,347,967
    • Issue date Oct 17, 1967
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3329271

    • Patent number 3,329,271
    • Issue date Jul 4, 1967
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    3209406

    • Patent number 3,209,406
    • Issue date Oct 5, 1965
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3155560

    • Patent number 3,155,560
    • Issue date Nov 3, 1964
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3124630

    • Patent number 3,124,630
    • Issue date Mar 10, 1964
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2964189

    • Patent number 2,964,189
    • Issue date Dec 13, 1960
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2832473

    • Patent number 2,832,473
    • Issue date Apr 29, 1958
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2829733

    • Patent number 2,829,733
    • Issue date Apr 8, 1958
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2101811

    • Patent number 2,101,811
    • Issue date Dec 7, 1937
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL