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  • CPC
  • B01D29/78
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical separation devices

    • Patent number 11,969,673
    • Issue date Apr 30, 2024
    • ICM, Inc.
    • Charles C. Gallop
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Mechanical separation devices

    • Patent number 11,103,811
    • Issue date Aug 31, 2021
    • ICM, Inc.
    • Charles C. Gallop
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter cleaning system and method

    • Patent number 10,661,205
    • Issue date May 26, 2020
    • Filtration Technology Corporation
    • John Hampton
    • B08 - CLEANING
  • Information Patent Grant

    Animal skin substrate treatment method and apparatus

    • Patent number 10,590,499
    • Issue date Mar 17, 2020
    • Xeros Limited
    • Mohammed Ashfaq
    • B08 - CLEANING
  • Information Patent Grant

    Multi-zoned paddle screen apparatus

    • Patent number 10,226,774
    • Issue date Mar 12, 2019
    • Fluid Quip, Inc.
    • Andrew Franko
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Filter cleaning system and method

    • Patent number 10,080,983
    • Issue date Sep 25, 2018
    • Filtration Technology Corporation
    • John Hampton
    • B08 - CLEANING
  • Information Patent Grant

    Filtration apparatus

    • Patent number 9,943,788
    • Issue date Apr 17, 2018
    • Alconbury Weston Ltd
    • Alastair William Barton
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Device for separating a heterogeneous mixture of matter and method...

    • Patent number 9,782,703
    • Issue date Oct 10, 2017
    • BASF SE
    • Stefan Wittmer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter cleaning system and method

    • Patent number 9,527,020
    • Issue date Dec 27, 2016
    • Filtration Technology Corporation
    • John Hampton
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Dehydrating method and hydroextractor

    • Patent number 6,167,637
    • Issue date Jan 2, 2001
    • Hitachi, Ltd.
    • Yuuji Nagase
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of purifying electric precipitator ash using a pressure filter

    • Patent number 5,911,854
    • Issue date Jun 15, 1999
    • Kvaerner Pulping AB
    • Nils Lindman
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Pressure filter

    • Patent number 4,592,835
    • Issue date Jun 3, 1986
    • Rosenmund AG
    • Max Grieder
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filtration system

    • Patent number 4,127,487
    • Issue date Nov 28, 1978
    • Ciba-Geigy Corporation
    • Paul Havalda
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3581893

    • Patent number 3,581,893
    • Issue date Jun 1, 1971
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3433816

    • Patent number 3,433,816
    • Issue date Mar 18, 1969
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2592983

    • Patent number 2,592,983
    • Issue date Apr 15, 1952
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2534324

    • Patent number 2,534,324
    • Issue date Dec 19, 1950
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents