Electret

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

Information Patent Grant
Filtration media
- Patent number 12,303,814
- Issue date May 20, 2025
- MAGNERA CORPORATION
- Ralph A. Moody
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Nanofiber filter wraps
- Patent number 12,290,771
- Issue date May 6, 2025
- Ultra Small Fibers, LLC
- William H. Hofmeister
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter module for water dispensing device
- Patent number 12,234,171
- Issue date Feb 25, 2025
- LG Electronics Inc.
- Youngjae Kim
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Electret-containing filter media
- Patent number 12,220,659
- Issue date Feb 11, 2025
- Hollingsworth & Vose Company
- Sudheer Jinka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter media including adhesives and/or oleophobic properties
- Patent number 12,070,705
- Issue date Aug 27, 2024
- Hollingsworth & Vose Company
- Sudhakar Jaganathan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter media with irregular structure and/or reversibly stretchable...
- Patent number 12,053,728
- Issue date Aug 6, 2024
- Hollingsworth & Vose Company
- Bruce Smith
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pleated air filter with reinforcing filaments comprising locally-th...
- Patent number 12,053,733
- Issue date Aug 6, 2024
- 3M Innovative Properties Company
- Jonathan M. Lise
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multilayer filter material
- Patent number 12,048,891
- Issue date Jul 30, 2024
- Toray Industries, Inc.
- Yuji Yatsunami
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter media and elements
- Patent number 12,023,613
- Issue date Jul 2, 2024
- Donaldson Company, Inc.
- Qiong Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Virus-collecting filter for medical aspirator system
- Patent number 12,023,430
- Issue date Jul 2, 2024
- GPF Co. Ltd.
- Yuichi Sakon
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pleated air filter with bridging filaments and continuous-contact f...
- Patent number 12,017,175
- Issue date Jun 25, 2024
- 3M Innovative Properties Company
- Zhiqun Zhang
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Active force electric field anti-pathogenic fabric and methods of c...
- Patent number 12,011,622
- Issue date Jun 18, 2024
- Florida A&M University
- Satyanarayan Dev
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Substituted thiol melt additives
- Patent number 11,982,031
- Issue date May 14, 2024
- 3M Innovative Properties Company
- Fuming B. Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Electrostatic adsorption mask
- Patent number 11,918,976
- Issue date Mar 5, 2024
- Beijing FUNATE Innovation Technology Co., Ltd.
- Li Qian
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Air-filter media comprising a relofted spunbonded web, and methods...
- Patent number 11,839,845
- Issue date Dec 12, 2023
- 3M Innovative Properties Company
- Zhiqun Zhang
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Filter media including adhesives and/or oleophobic properties
- Patent number 11,819,790
- Issue date Nov 21, 2023
- Hollingsworth & Vose Company
- Sudhakar Jaganathan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Channel-framed, pleated air filter with bridging filaments
- Patent number 11,697,088
- Issue date Jul 11, 2023
- 3M Innovative Properties Company
- Glen O. Gregerson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
System and method for making electret media
- Patent number 11,590,443
- Issue date Feb 28, 2023
- Clean and Science Company, Ltd.
- Kyung-Ju Choi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Spun-bonded fabric material, object comprising a spun-bonded fabric...
- Patent number 11,478,735
- Issue date Oct 25, 2022
- MANN+HUMMEL GMBH
- Stefan Orendt
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Electretized sheet and filter
- Patent number 11,433,333
- Issue date Sep 6, 2022
- Yupo Corporation
- Yutaro Sugamata
- B32 - LAYERED PRODUCTS
Information Patent Grant
Filter media with irregular structure and/or reversibly stretchable...
- Patent number 11,420,143
- Issue date Aug 23, 2022
- Hollingsworth & Vose Company
- Bruce Smith
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter media including adhesives and/or oleophobic properties
- Patent number 11,369,904
- Issue date Jun 28, 2022
- Hollingsworth & Vose Company
- Sudhakar Jaganathan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter media for the removal of particles, ions, and biological mat...
- Patent number 11,364,454
- Issue date Jun 21, 2022
- GRAVER TECHNOLOGIES LLC
- James Knoll
- C13 - SUGAR INDUSTRY
Information Patent Grant
Filter medium, method of manufacturing the same and uses thereof
- Patent number 11,273,399
- Issue date Mar 15, 2022
- AHLSTROM-MUNKSJÖ OYJ
- Jan Kaukopaasi
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Filter media and elements
- Patent number 11,253,802
- Issue date Feb 22, 2022
- Donaldson Company, Inc.
- Qiong Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Channel-framed, pleated air filter with bridging filaments
- Patent number 11,253,807
- Issue date Feb 22, 2022
- 3M Innovative Properties Company
- Glen O. Gregerson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Electret fiber sheet
- Patent number 11,154,803
- Issue date Oct 26, 2021
- Toray Industries, Inc.
- Sachio Inaba
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Air filters comprising metal-containing polymeric sorbents
- Patent number 11,103,822
- Issue date Aug 31, 2021
- 3M Innovative Properties Company
- Michael S. Wendland
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Electret-containing filter media
- Patent number 11,077,394
- Issue date Aug 3, 2021
- Hollingsworth & Vose Company
- Bruce Smith
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for preparation and activation of super-hydrophobic electret...
- Patent number 11,014,028
- Issue date May 25, 2021
- South China University of Technology
- Lizhi Zhang
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR MANUFACTURING ELECTRET MELT BLOWN NONWOVEN...
- Publication number 20250179705
- Publication date Jun 5, 2025
- TORAY INDUSTRIES, INC.
- Yoshiki TANAKA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTRATION MEMBER FOR ANTIVIRAL AIR FILTER
- Publication number 20250177897
- Publication date Jun 5, 2025
- TORAY INDUSTRIES, INC.
- Takuya KATAOKA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A BIODEGRADABLE FILTER ASSEMBLY FOR AN ELECTRICAL APPLIANCE
- Publication number 20250128195
- Publication date Apr 24, 2025
- Dyson Technology Limited
- Nikian Naji AGHABABAIE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ULTRASONICALLY BONDED ELECTRET FILTER MEDIA
- Publication number 20250090985
- Publication date Mar 20, 2025
- DelStar Technologies, Inc.
- Yasar Kiyak
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTRET AND ELECTRET FILTER
- Publication number 20250058257
- Publication date Feb 20, 2025
- TOYOBO MC Corporation
- Yoshiyuki KITAGAWA
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
FILTER MEDIA INCLUDING ADHESIVES AND/OR OLEOPHOBIC PROPERTIES
- Publication number 20250032963
- Publication date Jan 30, 2025
- Hollingsworth & Vose Company
- Sudhakar Jaganathan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INTERNAL PERFORMANCE MONITORING FOR WATER FILTER
- Publication number 20250025814
- Publication date Jan 23, 2025
- Haier US Appliance Solutions, Inc.
- Amin Firouzi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
FILTER MEDIA AND ELEMENTS
- Publication number 20240424435
- Publication date Dec 26, 2024
- Donaldson Company, Inc.
- Qiong Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE...
- Publication number 20240424434
- Publication date Dec 26, 2024
- Hollingsworth & Vose Company
- Bruce Smith
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Filtration media

Nanofiber filter wraps

Filter module for water dispensing device

Electret-containing filter media

Filter media including adhesives and/or oleophobic properties

Filter media with irregular structure and/or reversibly stretchable...

Pleated air filter with reinforcing filaments comprising locally-th...

Multilayer filter material

Filter media and elements

Virus-collecting filter for medical aspirator system

Pleated air filter with bridging filaments and continuous-contact f...

Active force electric field anti-pathogenic fabric and methods of c...

Substituted thiol melt additives

Electrostatic adsorption mask

Air-filter media comprising a relofted spunbonded web, and methods...

Filter media including adhesives and/or oleophobic properties

Channel-framed, pleated air filter with bridging filaments

System and method for making electret media

Spun-bonded fabric material, object comprising a spun-bonded fabric...

Electretized sheet and filter

Filter media with irregular structure and/or reversibly stretchable...

Filter media including adhesives and/or oleophobic properties

Filter media for the removal of particles, ions, and biological mat...

Filter medium, method of manufacturing the same and uses thereof

Filter media and elements

Channel-framed, pleated air filter with bridging filaments

Electret fiber sheet

Air filters comprising metal-containing polymeric sorbents

Electret-containing filter media

Method for preparation and activation of super-hydrophobic electret...

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR MANUFACTURING ELECTRET MELT BLOWN NONWOVEN...

FILTRATION MEMBER FOR ANTIVIRAL AIR FILTER

A BIODEGRADABLE FILTER ASSEMBLY FOR AN ELECTRICAL APPLIANCE

ULTRASONICALLY BONDED ELECTRET FILTER MEDIA

ELECTRET AND ELECTRET FILTER

FILTER MEDIA INCLUDING ADHESIVES AND/OR OLEOPHOBIC PROPERTIES

INTERNAL PERFORMANCE MONITORING FOR WATER FILTER

FILTER MEDIA AND ELEMENTS

FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR REVERSIBLY STRETCHABLE...

CHARGED NONWOVEN MATERIAL

Air Filter and Method for Manufacturing an Air Filter

ELECTRET MELT-BLOWN WEBS WITH IMPROVED FILTRATION PROPERTIES

FACE COVERING

FILTER MEDIA WITH BIODEGRADABLE FIBERS

HIGH PERFORMANCE FILTER MEDIA

BREATHING HALF MASK

FILTERS WITH ELECTROSTATIC FILTERING CAPABILITIES

MASK

ELECTRETS COMPRISING A SUBSTITUTED CYCLOTRIPHOSPHAZENE COMPOUND AND...

ARTICLES COMPRISING FILTER MEDIA WITH IRREGULAR STRUCTURE AND/OR RE...

FILTER MEDIUM COMPRISING A NONWOVEN ELECTRET

VACUUM-CLEANER FILTER BAG MADE FROM RECYCLED PLASTICS

FILTER MEDIA, COMPOSITES, AND FACE MASK SYSTEMS USING SAME

SYSTEMS AND METHODS FOR MAKING FIBROUS MATERIALS

SYSTEMS AND METHODS FOR RETAINING NANOPARTICLES WITHIN NONWOVEN MAT...

FILTERS WITH MECHANICAL AND ELETROSTATIC FILTERING CAPABILITIES

NANOFIBER FILTER WRAPS

HIGH FILTRATION FILTER WITH DISINFECTION, LOW PRESSURE DROP AND RED...

POSITIVELY CHARGED FILTER MATERIAL WITH ABILITY FOR REMOVING CHARGE...

Apparatus and Method for Enhanced Filtration Utilizing Electric Fie...