More than one layer present in the filtering material

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  • CPC
  • B01D2239/065
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    MORPHOLOGICAL IMPROVEMENTS IN FILTER MEDIA

    • Publication number 20240382880
    • Publication date Nov 21, 2024
    • Hollingsworth & Vose Company
    • Praveen Kumar Yegya Raman
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER MEDIA COMPRISING A PRE-FILTER LAYER

    • Publication number 20240375034
    • Publication date Nov 14, 2024
    • Hollingsworth & Vose Company
    • Sudhakar Jaganathan
    • A41 - WEARING APPAREL
  • Information Patent Application

    LAMINATED SHEET, CYLINDRICAL FILTER ELEMENT, AND FILTRATION KIT USE...

    • Publication number 20240367076
    • Publication date Nov 7, 2024
    • Solventum Intellectual Properties Company
    • Guangming GONG
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    NEEDLE-PUNCHED FILTRATION COMPOSITE AND METHOD OF MAKING SAME

    • Publication number 20240342636
    • Publication date Oct 17, 2024
    • Welspun Living Limited
    • Dipali GOENKA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CORRUGATED FILTER MEDIA

    • Publication number 20240335782
    • Publication date Oct 10, 2024
    • JOHNS MANVILLE
    • Joerg Meier
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    INHERENTLY STABLE, FLOW-POROUS FILTER ELEMENT AND METHOD FOR PRODUC...

    • Publication number 20240325952
    • Publication date Oct 3, 2024
    • Herding GmbH Filtertechnik
    • Urs Herding
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SELF-CLEANING FILTER

    • Publication number 20240316483
    • Publication date Sep 26, 2024
    • Ahlstrom Oyj
    • Jesse SHIM
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Air Filter and Method for Manufacturing an Air Filter

    • Publication number 20240307808
    • Publication date Sep 19, 2024
    • ALSTOM Holdings
    • Domenico Palmisano
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Application

    Fluid Drainage System with Textured Core Sheets

    • Publication number 20240299866
    • Publication date Sep 12, 2024
    • Eljen Corporation
    • James M. King
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    BONDED ARTICLES

    • Publication number 20240278532
    • Publication date Aug 22, 2024
    • Donaldson Company, Inc.
    • Robert P. McCollam
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    FACE COVERING

    • Publication number 20240269494
    • Publication date Aug 15, 2024
    • 3M Innovative Properties Company
    • Nicholas K. Lee
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    SCALABLE CLARIFICATION PROCESS FOR RECOMBINANT AAV PRODUCTION

    • Publication number 20240254430
    • Publication date Aug 1, 2024
    • Regenxbio Inc.
    • Claire G. ZHANG
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Application

    FILTER MEDIA WITH BIODEGRADABLE FIBERS

    • Publication number 20240252964
    • Publication date Aug 1, 2024
    • University of Tennessee Research Foundation
    • Uday Kumar Vasant Vaidya
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER

    • Publication number 20240238709
    • Publication date Jul 18, 2024
    • YAMASHIN-FILTER CORP.
    • Shoji HIROTA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ELECTROSPUN POROUS MEDIA

    • Publication number 20240229314
    • Publication date Jul 11, 2024
    • Zeus Company Inc.
    • Robert L. Ballard
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Application

    AN AIR FILTER ASSEMBLY AND A METHOD THEREOF

    • Publication number 20240226793
    • Publication date Jul 11, 2024
    • TAD AIRCON PRIVATE LIMITED
    • ADRIAN MELROY CORNELEO
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    COMPOSITE FILTERING MEDIUM AND METHOD FOR PRODUCTION THEREOF

    • Publication number 20240216844
    • Publication date Jul 4, 2024
    • SAATI S.p.A.
    • Valentina SABATINI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    VIRAL FILTRATION MEDIA, ARTICLES, AND METHODS

    • Publication number 20240207765
    • Publication date Jun 27, 2024
    • 3M Innovative Properties Company
    • Rebecca A. HOCHSTEIN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    HIGH PERFORMANCE FILTER MEDIA

    • Publication number 20240207764
    • Publication date Jun 27, 2024
    • Hollingsworth & Vose Company
    • Siqiang Zhu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    BREATHING HALF MASK

    • Publication number 20240198144
    • Publication date Jun 20, 2024
    • Drager Safety AG & Co. KGaA
    • Harald HEYER
    • A41 - WEARING APPAREL
  • Information Patent Application

    FILTER MEDIA HAVING A FINE PORE SIZE DISTRIBUTION

    • Publication number 20240157279
    • Publication date May 16, 2024
    • Hollingsworth & Vose Company
    • Farzad Rezaei
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    VACUUM FILTER BAG WITH SILVER-IMPREGNATED LAYER FOR ANTIMICROBIAL A...

    • Publication number 20240156315
    • Publication date May 16, 2024
    • Edmond F. DiRenna
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTRATION GARMENTS

    • Publication number 20240156188
    • Publication date May 16, 2024
    • Myant Inc.
    • Tony CHAHINE
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    FILTER MEDIA, ELEMENTS, AND METHODS

    • Publication number 20240139662
    • Publication date May 2, 2024
    • Donaldson Company, Inc.
    • Qiong Gao
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PLEATED FLUID FILTER ELEMENT AND METHODS

    • Publication number 20240131453
    • Publication date Apr 25, 2024
    • Donaldson Company, Inc.
    • James P. Barsness
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AN AIR FILTER ASSEMBLY AND A METHOD THEREOF

    • Publication number 20240131464
    • Publication date Apr 25, 2024
    • TAD AIRCON PRIVATE LIMITED
    • ADRIAN MELROY CORNELEO
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CARBON NANOTUBES-BASED FILTRATION MEDIA

    • Publication number 20240123384
    • Publication date Apr 18, 2024
    • MAAGAN FILTRATION ACA LTD.
    • Uria BERCHMAN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Biodegradable cellulose-based filter media and facial masks includi...

    • Publication number 20240115981
    • Publication date Apr 11, 2024
    • Ahlstrom Oyj
    • Robin Abderrahmen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SANITARY MASK SHEET

    • Publication number 20240081438
    • Publication date Mar 14, 2024
    • KAO CORPORATION
    • Tomoyuki MOTEGI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER, GAS SENSOR, AND GAS SENSOR SYSTEM

    • Publication number 20240082764
    • Publication date Mar 14, 2024
    • Kabushiki Kaisha Toshiba
    • Akira FUJIMOTO
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL