More than one layer present in the filtering material

Industry

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B01D2239/065

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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

B01D2239/065More than one layer present in the filtering material

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Cellulose-containing filtration materials and methods of making the...
- Patent number 12,304,972
- Issue date May 20, 2025
- Alliance for Sustainable Energy, LLC
- Peter N. Ciesielski
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Integrated washer-dryer
- Patent number 12,305,321
- Issue date May 20, 2025
- CHONGQING HAIER ROLLER WASHING MACHINE CO., LTD.
- Kai Liu
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Composite filter media with multiple fiber structures including nan...
- Patent number 12,290,772
- Issue date May 6, 2025
- Cummins Filtration IP, Inc.
- Eric A. Janikowski
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Facemasks with material layers for enhanced bonding process
- Patent number 12,285,061
- Issue date Apr 29, 2025
- O&M Halyard, Inc.
- Ajay Y. Houde
- A41 - WEARING APPAREL
Information Patent Grant
Filtration media and method of manufacturing filtration media using...
- Patent number 12,280,324
- Issue date Apr 22, 2025
- Research Products Corporation
- Thomas J. Anoszko
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter medium for engine air filters
- Patent number 12,274,963
- Issue date Apr 15, 2025
- NEENAH GESSNER GMBH
- Georg Geisberger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter media comprising a pre-filter layer
- Patent number 12,274,968
- Issue date Apr 15, 2025
- Hollingsworth & Vose Company
- Sudhakar Jaganathan
- A41 - WEARING APPAREL
Information Patent Grant
Nanofiber filter medium for reusable facemask and filtering facepie...
- Patent number 12,268,980
- Issue date Apr 8, 2025
- UChicago Argonne, LLC
- Yuepeng Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for producing a filter device
- Patent number 12,263,421
- Issue date Apr 1, 2025
- Robert Bosch GmbH
- Richard Dusak
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Face mask impregnated with medicine
- Patent number 12,263,304
- Issue date Apr 1, 2025
- Jon E Hilliard
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter medium comprising a fine fiber layer
- Patent number 12,251,654
- Issue date Mar 18, 2025
- Donaldson Company, Inc.
- Derek O. Jones
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter media with improved dust loading
- Patent number 12,239,930
- Issue date Mar 4, 2025
- Donaldson Company, Inc.
- Gregory S. Tronnes
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter media, elements, and methods
- Patent number 12,233,367
- Issue date Feb 25, 2025
- Donaldson Company, Inc.
- Qiong Gao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multi-layer face mask
- Patent number 12,233,290
- Issue date Feb 25, 2025
- NuGeneration Technologies, LLC
- Donato Polignone
- A41 - WEARING APPAREL
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
Fabric layer, flat material, filter element, filter and method for...
- Patent number 12,226,718
- Issue date Feb 18, 2025
- ARGO-HYTOS GROUP AG
- Karl Wartlick
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter medium for separating nitrogen oxides
- Patent number 12,226,734
- Issue date Feb 18, 2025
- MANN+HUMMEL GMBH
- Simon Zapf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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 medium and breather filter structure
- Patent number 12,172,111
- Issue date Dec 24, 2024
- Donaldson Company, Inc.
- Robert M. Rogers
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Combined fiber nonwoven fabric, laminate, filtration medium for fil...
- Patent number 12,157,077
- Issue date Dec 3, 2024
- JNC Corporation
- You Umebayashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Depth filter
- Patent number 12,157,078
- Issue date Dec 3, 2024
- JNC Corporation
- Ryota Mineo
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for producing coating film-forming composition for lithography
- Patent number 12,153,348
- Issue date Nov 26, 2024
- NISSAN CHEMICAL CORPORATION
- Tomoya Ohashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite filtering medium and method for production thereof
- Patent number 12,145,091
- Issue date Nov 19, 2024
- Valentina Sabatini
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Personal protective equipment face coverings with inherently ionic...
- Patent number 12,138,496
- Issue date Nov 12, 2024
- ION CLAIRETY, LLC
- Kenneth L. Hoffman
- A41 - WEARING APPAREL
Information Patent Grant
Solid phase extraction disk
- Patent number 12,128,329
- Issue date Oct 29, 2024
- Kevin Dinnean
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fluid circuit with integrated electrostatic discharge mitigation
- Patent number 12,117,106
- Issue date Oct 15, 2024
- Entegris, Inc.
- John A. Leys
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multi-layer, biodegradable composites for air filtration
- Patent number 12,109,520
- Issue date Oct 8, 2024
- 3M Innovative Properties Company
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter medium
- Patent number 12,090,432
- Issue date Sep 17, 2024
- Johns Manville
- Joerg Meier
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method of producing a multilayer filter medium and a filter medium...
- Patent number 12,090,430
- Issue date Sep 17, 2024
- Hydac Process Technology GmbH
- Bernhard Schlichter
- D03 - WEAVING
Information Patent Grant
Filter device, faucet water purifier and spraying process thereof
- Patent number 12,090,429
- Issue date Sep 17, 2024
- Dongguan Beyclean Environmental Protection Technology Co., Ltd
- Kaifeng Su
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
BIODEGRADABLE AND HYDROPHOBIC POLYLACTIC ACID (PLA ) NON-WOVEN MATE...
- Publication number 20250163621
- Publication date May 22, 2025
- NANO AND ADVANCED MATERIALS INSTITUTE LIMITED
- Yuyan SONG
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
FILTER MEDIA COMPRISING A PRE-FILTER LAYER
- Publication number 20250161859
- Publication date May 22, 2025
- Hollingsworth & Vose Company
- Sudhakar Jaganathan
- A41 - WEARING APPAREL
Information Patent Application
FILTER MEDIA, ELEMENTS, AND METHODS
- Publication number 20250153079
- Publication date May 15, 2025
- Donaldson Company, Inc.
- Qiong Gao
- 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
FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER HAVING A GRADIENT
- Publication number 20250099888
- Publication date Mar 27, 2025
- Hollingsworth & Vose Company
- David T. Healey
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER MATERIAL COMPRISING A GRADIENT STRUCTURE NONWOVEN BASE LAYER...
- Publication number 20250099887
- Publication date Mar 27, 2025
- FIBERTEX NONWOVENS A/S
- Cesarino Mario JEPPESEN
- 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
PORTABLE KITCHEN VENTILATOR USED FOR POT BODY
- Publication number 20250082131
- Publication date Mar 13, 2025
- HONGKONG HOCITY TECHNOLOGY LIMITED
- SAUWA FUNG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MULTILAYER NONWOVEN STRUCTURE
- Publication number 20250083409
- Publication date Mar 13, 2025
- Borealis AG
- Jingbo Wang
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Application
HIGH TRANSMISSION AIR FILTRATION MEDIA AND TRANSPARENT FACE MASK
- Publication number 20250065253
- Publication date Feb 27, 2025
- 3M Innovative Properties Company
- GuangMing Gong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HYBRID NANOPOROUS MEMBRANE ASSEMBLED FROM 3D NANOSPIKY PARTICLES FO...
- Publication number 20250010230
- Publication date Jan 9, 2025
- THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
- Kam W. LEONG
- A41 - WEARING APPAREL
Information Patent Application
AIR FILTER MEDIUM, AIR FILTER PACK, AND AIR FILTER UNIT
- Publication number 20250001339
- Publication date Jan 2, 2025
- DAIKIN INDUSTRIES, LTD.
- Takashi KIMURA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Air Filter
- Publication number 20250001346
- Publication date Jan 2, 2025
- Metalmark Innovations, PBC
- Sissi LIU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
NANOFIBER FILTER AND METHOD FOR MANUFACTURING SAME
- Publication number 20240408531
- Publication date Dec 12, 2024
- LG ELECTRONICS INC.
- Seungjae BAECK
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
INTERNALLY REINFORCED AEROGEL AND USES THEREOF
- Publication number 20240399703
- Publication date Dec 5, 2024
- BLUESHIFT MATERIALS, INC.
- Alan Sakaguchi
- B32 - LAYERED PRODUCTS
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

More than one layer present in the filtering material

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Cellulose-containing filtration materials and methods of making the...

Integrated washer-dryer

Composite filter media with multiple fiber structures including nan...

Facemasks with material layers for enhanced bonding process

Filtration media and method of manufacturing filtration media using...

Filter medium for engine air filters

Filter media comprising a pre-filter layer

Nanofiber filter medium for reusable facemask and filtering facepie...

Method and apparatus for producing a filter device

Face mask impregnated with medicine

Filter medium comprising a fine fiber layer

Filter media with improved dust loading

Filter media, elements, and methods

Multi-layer face mask

Filter module for water dispensing device

Fabric layer, flat material, filter element, filter and method for...

Filter medium for separating nitrogen oxides

Electret-containing filter media

Filter medium and breather filter structure

Combined fiber nonwoven fabric, laminate, filtration medium for fil...

Depth filter

Method for producing coating film-forming composition for lithography

Composite filtering medium and method for production thereof

Personal protective equipment face coverings with inherently ionic...

Solid phase extraction disk

Fluid circuit with integrated electrostatic discharge mitigation

Multi-layer, biodegradable composites for air filtration

Filter medium

Method of producing a multilayer filter medium and a filter medium...

Filter device, faucet water purifier and spraying process thereof

Patents Applicationslast 30 patents

BIODEGRADABLE AND HYDROPHOBIC POLYLACTIC ACID (PLA ) NON-WOVEN MATE...

FILTER MEDIA COMPRISING A PRE-FILTER LAYER

FILTER MEDIA, ELEMENTS, AND METHODS

A BIODEGRADABLE FILTER ASSEMBLY FOR AN ELECTRICAL APPLIANCE

FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER HAVING A GRADIENT

FILTER MATERIAL COMPRISING A GRADIENT STRUCTURE NONWOVEN BASE LAYER...

ULTRASONICALLY BONDED ELECTRET FILTER MEDIA

PORTABLE KITCHEN VENTILATOR USED FOR POT BODY

MULTILAYER NONWOVEN STRUCTURE

HIGH TRANSMISSION AIR FILTRATION MEDIA AND TRANSPARENT FACE MASK

HYBRID NANOPOROUS MEMBRANE ASSEMBLED FROM 3D NANOSPIKY PARTICLES FO...

AIR FILTER MEDIUM, AIR FILTER PACK, AND AIR FILTER UNIT

Air Filter

FILTER MEDIA AND ELEMENTS

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

NANOFIBER FILTER AND METHOD FOR MANUFACTURING SAME

INTERNALLY REINFORCED AEROGEL AND USES THEREOF

MORPHOLOGICAL IMPROVEMENTS IN FILTER MEDIA

FILTER MEDIA COMPRISING A PRE-FILTER LAYER

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

NEEDLE-PUNCHED FILTRATION COMPOSITE AND METHOD OF MAKING SAME

CORRUGATED FILTER MEDIA

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

SELF-CLEANING FILTER

Air Filter and Method for Manufacturing an Air Filter

Fluid Drainage System with Textured Core Sheets

BONDED ARTICLES

FACE COVERING

SCALABLE CLARIFICATION PROCESS FOR RECOMBINANT AAV PRODUCTION

FILTER MEDIA WITH BIODEGRADABLE FIBERS