the filtering material being held in a flexible porous bag

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  • CPC
  • B01D24/042
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Patents Grantslast 30 patents

  • Information Patent Grant

    Integrated grommet filter

    • Patent number 12,018,606
    • Issue date Jun 25, 2024
    • Caterpillar Inc.
    • Prathap J. Boddeda
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Media purification devices having intergral flow controllers

    • Patent number 11,535,530
    • Issue date Dec 27, 2022
    • Unger Marketing International, L.L.C.
    • Robert Camp
    • B08 - CLEANING
  • Information Patent Grant

    Contaminant extraction in a borehole

    • Patent number 11,162,333
    • Issue date Nov 2, 2021
    • Romolo Lorenzo Bertani
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of forming a compost filter sock

    • Patent number 11,123,661
    • Issue date Sep 21, 2021
    • MKB COMPANY
    • Michael A. Zock
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Composite filter sock anchors, compost filter sock assemblies and m...

    • Patent number 11,117,075
    • Issue date Sep 14, 2021
    • MKB Company, LLC
    • Michael A. Zock
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Media purification devices having integral flow controllers

    • Patent number 10,829,396
    • Issue date Nov 10, 2020
    • Unger Marketing International, L.L.C.
    • Robert Camp
    • B08 - CLEANING
  • Information Patent Grant

    Secondary tubular composite filter sock seam filling device and met...

    • Patent number 10,603,608
    • Issue date Mar 31, 2020
    • MKB COMPANY
    • Michael A. Zock
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Synthetic compressible medium filter backwash processes

    • Patent number 10,434,446
    • Issue date Oct 8, 2019
    • Suez Treatment Solutions Inc.
    • Christophe D Desmottes
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter assembly with locking cover

    • Patent number 10,414,671
    • Issue date Sep 17, 2019
    • Unger Marketing International, L.L.C.
    • Kai Hirsch
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid treatment apparatus including granular treatment medium

    • Patent number 10,106,435
    • Issue date Oct 23, 2018
    • Yiu Chau Chau
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Modular sand filtration-anchor system and wave energy water desalin...

    • Patent number 10,029,927
    • Issue date Jul 24, 2018
    • Murtech, Inc.
    • Robert Murtha
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Waste water diffuser

    • Patent number 9,765,508
    • Issue date Sep 19, 2017
    • Stan Greberis
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Assembly for treating flowing water

    • Patent number 9,278,869
    • Issue date Mar 8, 2016
    • Norman B. Rainer
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Modular sand filtration-anchor system and wave energy water desalin...

    • Patent number 8,784,653
    • Issue date Jul 22, 2014
    • Murtech, Inc.
    • Robert Murtha
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Modular sand filtration—anchor system and wave energy water desalin...

    • Patent number 8,778,176
    • Issue date Jul 15, 2014
    • Murtech, Inc.
    • Robert Murtha
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Exchangeable media filter

    • Patent number 8,535,524
    • Issue date Sep 17, 2013
    • Watkins Manufacturing Corporation
    • Michael McCague
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Exchangeable media filter

    • Patent number 8,366,922
    • Issue date Feb 5, 2013
    • Watkins Manufacturing Corporation
    • Michael McCague
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Fluid filter

    • Patent number 8,323,493
    • Issue date Dec 4, 2012
    • Eaton Corporation
    • Mark Anthony Quintel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Sequential flow filtration chamber for treatment of waste water and...

    • Patent number 6,383,372
    • Issue date May 7, 2002
    • Michael H. Houck
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Filter jug

    • Patent number 5,665,224
    • Issue date Sep 9, 1997
    • William Levine Limited
    • Michael Levene
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Filtration bag

    • Patent number 5,549,826
    • Issue date Aug 27, 1996
    • John H. Lapoint
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid filter device

    • Patent number 4,655,919
    • Issue date Apr 7, 1987
    • Helmut Schafft
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process and apparatus for removal of impurities from liquids

    • Patent number 4,156,647
    • Issue date May 29, 1979
    • Garmt J. Nieuwenhuis
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water filter assembly

    • Patent number 3,935,106
    • Issue date Jan 27, 1976
    • Herbert D. Lipner
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3843523

    • Patent number 3,843,523
    • Issue date Oct 22, 1974
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3174165

    • Patent number 3,174,165
    • Issue date Mar 23, 1965
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3023906

    • Patent number 3,023,906
    • Issue date Mar 6, 1962
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2994435

    • Patent number 2,994,435
    • Issue date Aug 1, 1961
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2453405

    • Patent number 2,453,405
    • Issue date Nov 9, 1948
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2372570

    • Patent number 2,372,570
    • Issue date Mar 27, 1945
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents