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Physical, chemical processing
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B01D2239/00
Aspects relating to filtering material for liquid or gaseous fluids
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B01D2239/10
Filtering material manufacturing
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Patents Grants
last 30 patents
Information
Patent Grant
Air filtration media having metal nanoparticle agglomerates adhered...
Patent number
12,357,932
Issue date
Jul 15, 2025
Kuprion Inc.
Alfred A. Zinn
A41 - WEARING APPAREL
Information
Patent Grant
Fluid drainage system with textured core sheets
Patent number
12,343,661
Issue date
Jul 1, 2025
Eljen Corporation
James M. King
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter media including out-of-plane solid elements, methods of form...
Patent number
12,343,666
Issue date
Jul 1, 2025
Hollingsworth & Vose Company
Mark Rowlands
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Swellable devices based on renewable raw materials and methods of u...
Patent number
12,345,137
Issue date
Jul 1, 2025
Baker Hughes Oilfield Operations LLC
Anton Kovalchuk
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Textile article comprising graphene and filters comprising said tex...
Patent number
12,329,214
Issue date
Jun 17, 2025
Directa Plus S.p.A.
Giulio Giuseppe Cesareo
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Antimicrobial filter media, preparation method thereof, and air cle...
Patent number
12,324,872
Issue date
Jun 10, 2025
Coway Co., Ltd.
Kyung Hwan Lee
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of manufacturing erosion and sediment and pollution control...
Patent number
12,318,755
Issue date
Jun 3, 2025
MAZCON, A KURTZ BROS. COMPANY, LLC
Michael A. Zock
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Melt-blown depth filter element and method of making it
Patent number
12,311,296
Issue date
May 27, 2025
BL Technologies, Inc.
Travis Gerald Stifter
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Integrated filter material and preparation method and application t...
Patent number
12,280,359
Issue date
Apr 22, 2025
1. NANJING TECH UNIVERSITY
Haitao Xu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Cellulose based biodegradable absorptive filter and method of making
Patent number
12,274,964
Issue date
Apr 15, 2025
IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
Tarek Ahmed Yousef
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for preparing aramid nanofiber dispersion
Patent number
12,269,922
Issue date
Apr 8, 2025
Korea Research Institute of Chemical Technology
Jeyoung Park
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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
Polymer matrix composites comprising functional particles and metho...
Patent number
12,269,011
Issue date
Apr 8, 2025
3M Innovative Properties Company
Jerald K. Rasmussen
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
Airbag inflator filter using expanded metal oriented rough side fac...
Patent number
12,246,671
Issue date
Mar 11, 2025
ACS Industries, Inc.
Steven D. Huntsman
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Flow-through aerosol capture device
Patent number
12,239,957
Issue date
Mar 4, 2025
JP SCIENTIFIC LIMITED
Janusz Boleslaw Pawliszyn
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Substrates with metal nanoparticles, related articles, and a contin...
Patent number
12,234,608
Issue date
Feb 25, 2025
Folia Water, Inc.
Theresa Dankovich
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Tailing pond remediation
Patent number
12,233,365
Issue date
Feb 25, 2025
Heat IP Holdco, LLC
James Charles Juranitch
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of treating a textile with graphene and textile so obtained
Patent number
12,225,953
Issue date
Feb 18, 2025
Directa Plus S.p.A.
Giulio Giuseppe Cesareo
B82 - NANO-TECHNOLOGY
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
Filter-attached cartridge
Patent number
12,220,654
Issue date
Feb 11, 2025
Enplas Corporation
Shigeru Uemura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Electrospinning method for fabricating nanofiber air filter with mi...
Patent number
12,180,613
Issue date
Dec 31, 2024
Chun Chen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method for making an adsorptive air filter
Patent number
12,172,112
Issue date
Dec 24, 2024
IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
Tarek Ahmed Yousef
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
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
Flame trap filter
Patent number
12,134,057
Issue date
Nov 5, 2024
R. Stahl Schaltgeräte GmbH
Elena Kondrus
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
AIR-FILTER FILTER MATERIAL AND METHOD FOR PRODUCING FILTER MATERIAL
Publication number
20250229203
Publication date
Jul 17, 2025
HOKUETSU CORPORATION
Shota FUKUSHIMA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER ELEMENT, COOLING SYSTEM, VEHICLE COMPRISING A FILTER, AND ME...
Publication number
20250205621
Publication date
Jun 26, 2025
MANN+HUMMEL Ventures Pte. Ltd.
Bernd JUNGINGER
B60 - VEHICLES IN GENERAL
Information
Patent Application
Filter Material and Method for Providing a Filter Material
Publication number
20250196035
Publication date
Jun 19, 2025
JOHNS MANVILLE
Markus Graeber
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD TO FORM A DUST COLLECTING LAYER ON A POROUS BODY WITHOUT USI...
Publication number
20250196038
Publication date
Jun 19, 2025
NITTETSU MINING CO., LTD.
Hiromichi MATSUMOTO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MATERIAL AND MANUFACTURING METHOD THEREOF
Publication number
20250186973
Publication date
Jun 12, 2025
Sangtech Lab Inc.
Cheng-Sheng Liang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
EXPANDABLE PLEATED AIR FILTERS
Publication number
20250186928
Publication date
Jun 12, 2025
3M Innovative Properties Company
Bryan L. Gerhardt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING A FILTER ELEMENT
Publication number
20250186917
Publication date
Jun 12, 2025
HENGST SE
Lars PETERSEN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR MANUFACTURING A METALLIC FUNCTIONAL PART DELIMITING A PO...
Publication number
20250186918
Publication date
Jun 12, 2025
Commissariat A L'Energie Atomique et Aux Energies Alternatives
Hicham MASKROT
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PREPARATION METHOD OF BISMUTH ION FILTER MEMBRANE AND APPLICATION T...
Publication number
20250186920
Publication date
Jun 12, 2025
WORK TOGETHER MARKETING CONSULTANT LIMITED
ChiKui MAK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR MANUFACTURING A METALLIC FUNCTIONAL PART DELIMITING A PO...
Publication number
20250186919
Publication date
Jun 12, 2025
Commisssariat A L'Energie Atomique Et Aux Energies Alternatives
Hicham MASKROT
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
METHOD FOR PRODUCING A FILTERING MATERIAL
Publication number
20250163651
Publication date
May 22, 2025
BIOSORBE AB
Johan BENNARSTEN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
METHODS FOR PREPARING CERAMIC FIBER FILTER TUBES WITH HIGH AIR PERM...
Publication number
20250153113
Publication date
May 15, 2025
NANJING TECH UNIVERSITY
Zhaoxiang ZHONG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DEPTH FILTER
Publication number
20250128192
Publication date
Apr 24, 2025
JNC CORPORATION
Ryota MINEO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HOLLOW CYLINDRICAL FILTER, AND MANUFACTURING METHOD
Publication number
20250121304
Publication date
Apr 17, 2025
Fuji Filter Manufacturing Co., Ltd.
Chika SHIOMI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
NANOPARTICLE FEED SYSTEMS FOR MANUFACTURING FILTER MEDIA
Publication number
20250100008
Publication date
Mar 27, 2025
DelStar Technologies, Inc.
Lenny Pompeo
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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
SILICA CERAMIC MATERIAL, CERAMIC FOAM FILTER, AND PREPARATION METHO...
Publication number
20250073626
Publication date
Mar 6, 2025
BAODING NINGXIN GROUP CO., LTD
Dengning CHEN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
OIL-WATER SEPARATION FILTER AND APPARATUS, AND METHOD OF OPERATING...
Publication number
20250073614
Publication date
Mar 6, 2025
VULCAN PHOTONICS SDN. BHD.
Khong Nee Koo
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
FILTER MEMBER
Publication number
20250065252
Publication date
Feb 27, 2025
ROKI TECHNO CO., LTD.
Kyosuke NAGASHIMA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
APPARATUS AND METHOD TO PROVIDE A PATHOGENICIDAL BARRIER BETWEEN FI...
Publication number
20250059690
Publication date
Feb 20, 2025
X CELL, LLC
Sunil J. PANCHAL
A41 - WEARING APPAREL
Information
Patent Application
TREATMENT OF PARTICULATE FILTERS
Publication number
20250041776
Publication date
Feb 6, 2025
Johnson Matthey Public Limited Company
Thomas HOTCHKISS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CERAMIC OBJECTS AND METHODS FOR MANUFACTURING THE SAME
Publication number
20250034047
Publication date
Jan 30, 2025
FOSECO INTERNATIONAL LIMITED
Kassim JUMA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD AND APPARATUS FOR METAL REMOVAL FROM DRINKING WATER
Publication number
20250010229
Publication date
Jan 9, 2025
KX TECHNOLOGIES LLC
William Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Air-Filter Media Including a Relofted Spunbonded Web, and Methods o...
Publication number
20250010228
Publication date
Jan 9, 2025
3M Innovative Properties Company
Liang Cheng
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
NON-SHEDDING HYBRID NONWOVENS AND METHOD OF PRODUCING SAME
Publication number
20240426032
Publication date
Dec 26, 2024
North Carolina State University
Behnam Pourdeyhimi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL