TREA

Electret

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Industry

  • CPC
  • B01D2239/0435
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01DSEPARATION B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids

Current Industry

B01D2239/0435Electret
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    CHARGED NONWOVEN MATERIAL
    • Publication number 20240384451
    • Publication date Nov 21, 2024
    • North Carolina State University
    • Behnam Pourdeyhimi
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • 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

    ELECTRET MELT-BLOWN WEBS WITH IMPROVED FILTRATION PROPERTIES
    • Publication number 20240301602
    • Publication date Sep 12, 2024
    • Borealis AG
    • Jingbo Wang
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • 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

    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

    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

    FILTERS WITH ELECTROSTATIC FILTERING CAPABILITIES
    • Publication number 20240100455
    • Publication date Mar 28, 2024
    • DelStar Technologies, Inc.
    • Andrew G. Platt
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MASK
    • Publication number 20240017099
    • Publication date Jan 18, 2024
    • AMOLIFESCIENCE CO., LTD.
    • Jeong Su SEOK
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Application

    ELECTRETS COMPRISING A SUBSTITUTED CYCLOTRIPHOSPHAZENE COMPOUND AND...
    • Publication number 20240009606
    • Publication date Jan 11, 2024
    • 3M Innovative Properties Company
    • Kelly A. Volp
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Application

    ARTICLES COMPRISING FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR RE...
    • Publication number 20230415081
    • Publication date Dec 28, 2023
    • Hollingsworth & Vose Company
    • Bruce Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER MEDIUM COMPRISING A NONWOVEN ELECTRET
    • Publication number 20230398478
    • Publication date Dec 14, 2023
    • Neenah Gessner GmbH
    • Georg Geisberger
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    VACUUM-CLEANER FILTER BAG MADE FROM RECYCLED PLASTICS
    • Publication number 20230347268
    • Publication date Nov 2, 2023
    • Eurofilters N.V.
    • Ralf Sauer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER MEDIA, COMPOSITES, AND FACE MASK SYSTEMS USING SAME
    • Publication number 20230330451
    • Publication date Oct 19, 2023
    • Donaldson Company, Inc.
    • Derek O. Jones
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    SYSTEMS AND METHODS FOR MAKING FIBROUS MATERIALS
    • Publication number 20230323576
    • Publication date Oct 12, 2023
    • DELSTAR TECHNOLOGIES, INC.
    • Andew G. Platt
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Application

    SYSTEMS AND METHODS FOR RETAINING NANOPARTICLES WITHIN NONWOVEN MAT...
    • Publication number 20230323055
    • Publication date Oct 12, 2023
    • DELSTAR TECHNOLOGIES, INC.
    • Andrew G. Platt
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTERS WITH MECHANICAL AND ELETROSTATIC FILTERING CAPABILITIES
    • Publication number 20230321569
    • Publication date Oct 12, 2023
    • DELSTAR TECHNOLOGIES, INC.
    • Andrew G. Platt
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    NANOFIBER FILTER WRAPS
    • Publication number 20230311036
    • Publication date Oct 5, 2023
    • Ultra Small Fibers, LLC
    • William H. Hofmeister
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    HIGH FILTRATION FILTER WITH DISINFECTION, LOW PRESSURE DROP AND RED...
    • Publication number 20230311037
    • Publication date Oct 5, 2023
    • The Hong Kong Polytechnic University
    • Wallace Woon Fong LEUNG
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    POSITIVELY CHARGED FILTER MATERIAL WITH ABILITY FOR REMOVING CHARGE...
    • Publication number 20230302386
    • Publication date Sep 28, 2023
    • Toray Advanced Materials Korea Inc.
    • Dae Won LEE
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Apparatus and Method for Enhanced Filtration Utilizing Electric Fie...
    • Publication number 20230294028
    • Publication date Sep 21, 2023
    • Don Hess
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MULTIFUNCTIONAL FILTER MATERIALS
    • Publication number 20230292860
    • Publication date Sep 21, 2023
    • Khalifa University of Science and Technology
    • Shadi Wajih HASAN
    • A41 - WEARING APPAREL
  • Information Patent Application

    IMPROVED FILTERING MASK
    • Publication number 20230241427
    • Publication date Aug 3, 2023
    • U-EARTH BIOTECH LTD
    • Elisabetta MAGGIO
    • A41 - WEARING APPAREL
  • Information Patent Application

    RESPIRATOR MASK
    • Publication number 20230233888
    • Publication date Jul 27, 2023
    • EUROFILTERS HOLDING N.V.
    • Ralf Sauer
    • A41 - WEARING APPAREL
  • Information Patent Application

    ELECTRET FIBER SHEET, LAMINATE SHEET, AND FILTER
    • Publication number 20230233966
    • Publication date Jul 27, 2023
    • TORAY INDUSTRIES, INC.
    • Rika Kameshima
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PLEATED FILTRATION ASSEMBLY COMPRISING SPUNBONDED PREFILTER
    • Publication number 20230233968
    • Publication date Jul 27, 2023
    • 3M Innovative Properties Company
    • HIMANSHU JASUJA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SELF-CHARGING MULTI-LAYER TRIBOELECTRIC PPE
    • Publication number 20230223870
    • Publication date Jul 13, 2023
    • E-MASK LLC
    • Barnali Ghatak
    • A41 - WEARING APPAREL
  • Information Patent Application

    RESPIRATOR MASK
    • Publication number 20230201637
    • Publication date Jun 29, 2023
    • EUROFILTERS HOLDING N.V.
    • Ralf Sauer
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    RESPIRATOR MASK
    • Publication number 20230201635
    • Publication date Jun 29, 2023
    • EUROFILTERS HOLDING N.V.
    • Ralf Sauer
    • A41 - WEARING APPAREL
  • Information Patent Application

    COMPOSITE NON-WOVEN FABRIC AND ARTICLE COMPRISING SAME
    • Publication number 20230158428
    • Publication date May 25, 2023
    • TORAY ADVANCED MATERIALS KOREA INC.
    • Do Kyung Yoon
    • A62 - LIFE-SAVING FIRE-FIGHTING