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with pleats of different length

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  • CPC
  • B01D2201/122
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BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01DSEPARATION B01D2201/00Details relating to filtering apparatus

Current Industry

B01D2201/122with pleats of different length
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fixed rigid wall device for compressed pleat configuration filters
    • Patent number 11,752,470
    • Issue date Sep 12, 2023
    • EMD Millipore Corporation
    • Songhua Liu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Periodic radial symmetry for filter pleating
    • Patent number 11,633,679
    • Issue date Apr 25, 2023
    • Donaldson Company, Inc.
    • Jacob Curtis Savstrom
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element
    • Patent number RE49220
    • Issue date Sep 27, 2022
    • RT-FILTERTECHNIK GMBH
    • Gerhard Stehle
  • Information Patent Grant

    Filter element
    • Patent number 11,033,838
    • Issue date Jun 15, 2021
    • Hydac Filtertechnik GmbH
    • Timo Lang
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter module
    • Patent number 10,981,100
    • Issue date Apr 20, 2021
    • Sartorius Stedim Biotech GmbH
    • Paschalis Nikoloudis
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter with exterior and interior media components and method of fi...
    • Patent number 10,898,836
    • Issue date Jan 26, 2021
    • Filtration Technology Corporation
    • John R. Hampton
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Corrugated fluid intake screen
    • Patent number 10,821,380
    • Issue date Nov 3, 2020
    • Philip Schofield
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Filter assembly and methods
    • Patent number 10,730,000
    • Issue date Aug 4, 2020
    • Donaldson Company, Inc.
    • Philip E. Johnson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element
    • Patent number 10,653,981
    • Issue date May 19, 2020
    • HYDAC FILTER SYSTEMS GMBH
    • Andreas Schunk
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element and filter assembly
    • Patent number 10,525,396
    • Issue date Jan 7, 2020
    • MANN+HUMMEL GMBH
    • Frank Pflueger
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element
    • Patent number 10,478,759
    • Issue date Nov 19, 2019
    • RT-FILTERTECHNIK GMBH
    • Frank Oberli
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter with exterior and interior media components and method of fi...
    • Patent number 10,463,997
    • Issue date Nov 5, 2019
    • Filtration Technology Corporation
    • John R. Hampton
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter device
    • Patent number 10,406,457
    • Issue date Sep 10, 2019
    • RT-FILTERTECHNIK GMBH
    • Marco Bautz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter insert for a fluid, in particular transmission oil
    • Patent number 10,335,718
    • Issue date Jul 2, 2019
    • MANN+HUMMEL GMBH
    • Sven Epli
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element and filter arrangement
    • Patent number 10,272,368
    • Issue date Apr 30, 2019
    • MANN+HUMMEL GMBH
    • Martin Klein
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element having a filter bellows
    • Patent number 10,213,723
    • Issue date Feb 26, 2019
    • MANN+HUMMEL GMBH
    • Sven Epli
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element and hydraulic circuit with such a filter element
    • Patent number 10,213,709
    • Issue date Feb 26, 2019
    • RT-FILTERTECHNIK GMBH
    • Frank Oberli
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self-supporting folded sheet material, filter elements, and methods
    • Patent number 10,112,130
    • Issue date Oct 30, 2018
    • Donaldson Company, Inc.
    • Jacob C. Savstrom
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pleated filter element
    • Patent number 10,040,019
    • Issue date Aug 7, 2018
    • MANN+HUMMEL GMBH
    • Martin Klein
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter insert piece comprising a pleated filter element
    • Patent number 9,987,571
    • Issue date Jun 5, 2018
    • MANN+HUMMEL GMBH
    • Martin Klein
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element
    • Patent number 9,849,408
    • Issue date Dec 26, 2017
    • RT-FILTERTECHNIK GMBH
    • Gerhard Stehle
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter
    • Patent number 9,539,527
    • Issue date Jan 10, 2017
    • Sartorius Stedim Biotech GmbH
    • Paschalis Nikoloudis
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter with exterior and interior media components and method of fi...
    • Patent number 9,409,115
    • Issue date Aug 9, 2016
    • Filtration Technology Corporation
    • John R. Hampton
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus and methods for forming filter sleeves having circumferen...
    • Patent number 8,545,658
    • Issue date Oct 1, 2013
    • 3M Innovative Properties Company
    • Aaron Spearin
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Multi-layer filter including retainers
    • Patent number 8,147,693
    • Issue date Apr 3, 2012
    • Cumins Filtration IP, Inc.
    • Brian J. Terry
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Circumferentially pleated filter assembly and method of forming the...
    • Patent number 8,075,720
    • Issue date Dec 13, 2011
    • 3M Innovative Properties Company
    • Brian L. Fall
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter assembly with pleated media pockets, and methods
    • Patent number 7,931,723
    • Issue date Apr 26, 2011
    • Donaldson Company, Inc.
    • Leon Robert Cuvelier
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Circumferentially pleated filter assembly and method of forming the...
    • Patent number 7,922,006
    • Issue date Apr 12, 2011
    • 3M Innovative Properties Company
    • Brian L. Fall
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pleated multi-layer filter media and cartridge
    • Patent number 7,645,312
    • Issue date Jan 12, 2010
    • 3M Innovative Properties Company
    • Thomas J. Hamlin
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Porous filter
    • Patent number 7,125,490
    • Issue date Oct 24, 2006
    • Porex Corporation
    • Michael Andrew Clendenning
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    CURVED CORE FOR VARIABLE PLEAT FILTER
    • Publication number 20220323896
    • Publication date Oct 13, 2022
    • Donaldson Company, Inc.
    • Nicholas J. Stanley
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    STAR PLEATING WITH INSIDE OUT FLOW HAVING WATER DRAINAGE THROUGH TH...
    • Publication number 20220193579
    • Publication date Jun 23, 2022
    • Parker-Hannifin Corporation
    • Jason L. Tate
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Liquid Filter
    • Publication number 20210283533
    • Publication date Sep 16, 2021
    • Mann + Hummel GmbH
    • Alexander Traut
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FILTER MODULE
    • Publication number 20200346159
    • Publication date Nov 5, 2020
    • SARTORIUS STEDIM BIOTECH GmbH
    • Paschalis NIKOLOUDIS
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER WITH EXTERIOR AND INTERIOR MEDIA COMPONENTS AND METHOD OF FI...
    • Publication number 20200047090
    • Publication date Feb 13, 2020
    • Filtration Technology Corporation
    • John R. Hampton
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT
    • Publication number 20190232203
    • Publication date Aug 1, 2019
    • Hydac Filter Systems GmbH
    • Andreas SCHUNK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FIXED RIGID WALL DEVICE FOR COMPRESSED PLEAT CONFIGURATION FILTERS
    • Publication number 20190224626
    • Publication date Jul 25, 2019
    • EMD Millipore Corporation
    • Songhua Liu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT
    • Publication number 20190143250
    • Publication date May 16, 2019
    • RT- Filtertechnik GmbH
    • Frank OBERLI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER WITH EXTERIOR AND INTERIOR MEDIA COMPONENTS AND METHOD OF FI...
    • Publication number 20180345181
    • Publication date Dec 6, 2018
    • Filtration Technology Corporation
    • John R. Hampton
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Element and Filter Assembly
    • Publication number 20180250625
    • Publication date Sep 6, 2018
    • Mann + Hummel GmbH
    • Frank Pflueger
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT
    • Publication number 20180161703
    • Publication date Jun 14, 2018
    • RT- Filtertechnik GmbH
    • Marco BAUTZ
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ASSEMBLY AND METHODS
    • Publication number 20180117518
    • Publication date May 3, 2018
    • Donaldson Company, Inc.
    • Philip E. JOHNSON
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER DEVICE
    • Publication number 20180043290
    • Publication date Feb 15, 2018
    • RT- Filtertechnik GmbH
    • Marco BAUTZ
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Pleated Filter Element
    • Publication number 20170056807
    • Publication date Mar 2, 2017
    • Mann + Hummel GmbH
    • Martin Klein
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Insert Piece Comprising a Pleated Filter Element
    • Publication number 20170056793
    • Publication date Mar 2, 2017
    • Mann + Hummel GmbH
    • Martin Klein
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Insert for a Fluid, in Particular Transmission Oil
    • Publication number 20160339365
    • Publication date Nov 24, 2016
    • Mann + Hummel GmbH
    • Sven Epli
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Liquid Filter
    • Publication number 20140238927
    • Publication date Aug 28, 2014
    • Mann + Hummel GmbH
    • Mathias Volk
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PLEATED FILTER MEDIA WITH CONTINUALLY VARYING INTERMEDIATE PLEAT HE...
    • Publication number 20130306547
    • Publication date Nov 21, 2013
    • Lydall, Inc.
    • DOUGLAS A. D. NORRIS
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER
    • Publication number 20130264252
    • Publication date Oct 10, 2013
    • SARTORIUS STEDIM BIOTECH GmbH
    • Paschalis Nikoloudis
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT
    • Publication number 20130140227
    • Publication date Jun 6, 2013
    • Gerhard Stehle
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CIRCUMFERENTIALLY PLEATED FILTER ASSEMBLY AND METHOD OF FORMING THE...
    • Publication number 20110152054
    • Publication date Jun 23, 2011
    • 3M Innovative Properties Company
    • Brian L. Fall
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter with Exterior and Interior Media Components and Method of Fi...
    • Publication number 20100300991
    • Publication date Dec 2, 2010
    • Filtration Technology Corporation
    • John R. Hampton
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Fluid Filter Assembly
    • Publication number 20100243554
    • Publication date Sep 30, 2010
    • Nathan Herrin
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PLEATED MULTI-LAYER FILTER MEDIA AND CARTRIDGE
    • Publication number 20100089819
    • Publication date Apr 15, 2010
    • 3M Innovative Properties Company
    • Thomas J. Hamlin
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER FOR BODY FLUIDS
    • Publication number 20090032469
    • Publication date Feb 5, 2009
    • Sorin Biomedica Cardio S.r.l.
    • Ivo Panzani
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PLEATED FILTER
    • Publication number 20090020472
    • Publication date Jan 22, 2009
    • 3M Innovative Properties Company
    • Jeffrey A. Lucas
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Apparatus and Filter Body
    • Publication number 20080308488
    • Publication date Dec 18, 2008
    • Keisaku Iwakata
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MULTI-LAYER FILTER INCLUDING RETAINERS
    • Publication number 20080302717
    • Publication date Dec 11, 2008
    • CUMMINS FILTRATION IP, INC.
    • Brian J. Terry
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Medium for a Fluid
    • Publication number 20080093288
    • Publication date Apr 24, 2008
    • Hartmut Harr
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PLEATED TYPE CARTRIDGE FILTER DEVICE
    • Publication number 20070278149
    • Publication date Dec 6, 2007
    • Hirokazu Kuwabara
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL