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B01D39/2037
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PERFORMING OPERATIONS TRANSPORTING
B01
Physical, chemical processing
B01D
SEPARATION
B01D39/00
Filtering material for liquid or gaseous fluids
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B01D39/2037
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Patents Grants
last 30 patents
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
Filter medium and breather filter structure
Patent number
11,504,663
Issue date
Nov 22, 2022
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Iron copper compositions for fluid purification
Patent number
11,124,429
Issue date
Sep 21, 2021
Höganäs AB (PUBL)
Avinash Gore
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Filter element and method of manufacturing a filter element
Patent number
10,765,975
Issue date
Sep 8, 2020
Caterpillar Inc.
Thierry A. Marchione
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Filter medium and breather filter structure
Patent number
10,610,813
Issue date
Apr 7, 2020
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter medium and breather filter structure
Patent number
9,795,906
Issue date
Oct 24, 2017
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter medium and breather filter structure
Patent number
8,641,796
Issue date
Feb 4, 2014
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter medium and breather filter structure
Patent number
8,512,435
Issue date
Aug 20, 2013
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing porous honeycomb structure and porous honeycom...
Patent number
8,366,989
Issue date
Feb 5, 2013
NGK Insulators, Ltd.
Kenji Morimoto
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Filter medium and breather filter structure
Patent number
8,277,529
Issue date
Oct 2, 2012
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter medium and structure
Patent number
8,268,033
Issue date
Sep 18, 2012
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter medium and breather filter structure
Patent number
8,057,567
Issue date
Nov 15, 2011
Donaldson Company, Inc.
David M. Webb
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and device for welding metallic fibers into a fleece by repe...
Patent number
7,833,319
Issue date
Nov 16, 2010
Emitec Gesellschaft fuer Emissionstechnologie mbH
Rolf Brück
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of manufacturing porous ceramic body
Patent number
7,544,320
Issue date
Jun 9, 2009
NGK Insulators, Ltd.
Yumi Toda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
EMI-absorbing air filter
Patent number
7,338,547
Issue date
Mar 4, 2008
Laird Technologies, Inc.
Richard Norman Johnson
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Porous sintered metal and filter thereof, and method for producing...
Patent number
7,195,735
Issue date
Mar 27, 2007
Hitachi Metals, Ltd.
Kenji Date
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Porous sintered metal and filter thereof, and method for producing...
Patent number
6,964,817
Issue date
Nov 15, 2005
Hitachi Metals, Ltd.
Kenji Date
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Filter for gaseous media
Patent number
6,527,834
Issue date
Mar 4, 2003
Firma Carl Freudenberg
Kurt Jörder
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process for making metal fiber/metal powder sheet
Patent number
6,517,675
Issue date
Feb 11, 2003
FiberMark, Inc,
Homan B. Kinsley
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for making metal fiber/metal powder sheet
Patent number
6,346,168
Issue date
Feb 12, 2002
FiberMark, Inc.
Homan B. Kinsley
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Contact-killing antimicrobial devices
Patent number
6,126,931
Issue date
Oct 3, 2000
Surfacine Development Company, LLC
Samuel P. Sawan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for improving the stiffness of extrudates
Patent number
5,884,138
Issue date
Mar 16, 1999
Corning Incorporated
Devi Chalasani
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Metallic material
Patent number
5,840,415
Issue date
Nov 24, 1998
Unipor AG
Theodor Hirzel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Contact-killing antimicrobial devices
Patent number
5,817,325
Issue date
Oct 6, 1998
Biopolymerix, Inc.
Samuel P. Sawan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Laminated filter material, its fabricating method and filter using...
Patent number
5,492,623
Issue date
Feb 20, 1996
Nippon Seisen Co., Ltd.
Hideomi Ishibe
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Heat-resistant metal monolith and manufacturing method therefor
Patent number
5,445,786
Issue date
Aug 29, 1995
NGK Insulators, Ltd.
Takashi Harada
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of forming and shaping metallic material
Patent number
5,322,657
Issue date
Jun 21, 1994
Unipor AG
Theodor Hirzel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of producing three dimensional skeletal structures
Patent number
4,017,570
Issue date
Apr 12, 1977
Chemotronics International, Inc.
Warren A. Rice
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
2863562
Patent number
2,863,562
Issue date
Dec 9, 1958
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
ANTI-VIRAL COMPOSITIONS AND METHOD OF KILLING VIRUS
Publication number
20230294026
Publication date
Sep 21, 2023
BLUACT TECHNOLOGIES GMBH
Achana PALIKA
B82 - NANO-TECHNOLOGY
Information
Patent Application
WATER PURIFIER FILTER AND WATER PURIFIER COMPRISING SAME
Publication number
20230242414
Publication date
Aug 3, 2023
LG ELECTRONICS INC.
Suhye WOO
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
FILTER MEDIUM AND BREATHER FILTER STRUCTURE
Publication number
20230149840
Publication date
May 18, 2023
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIUM AND BREATHER FILTER STRUCTURE
Publication number
20200330912
Publication date
Oct 22, 2020
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ANTIMICROBIAL COMPOSITIONS AND RELATED METHODS OF USE
Publication number
20190168145
Publication date
Jun 6, 2019
Imerys Filtration Minerals, Inc.
Bo WANG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filter Element and Method of Manufacturing a Filter Element
Publication number
20180001236
Publication date
Jan 4, 2018
Caterpillar Inc.
Thierry A. Marchione
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
BONDED MICROSPHERE FILTER
Publication number
20170106129
Publication date
Apr 20, 2017
1866402 ONTARIO LIMITED
Jeffrey SUTTON
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
FILTRATION MEDIA, MEDIA PACK ASSEMBLIES, AND METHODS
Publication number
20160074789
Publication date
Mar 17, 2016
Donaldson Company, Inc.
Joseph Israel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIUM AND BREATHER FILTER STRUCTURE
Publication number
20140197094
Publication date
Jul 17, 2014
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIUM AND BREATHER FILTER STRUCTURE
Publication number
20130008846
Publication date
Jan 10, 2013
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIUM AND BREATHER FILTER STRUCTURE
Publication number
20120312738
Publication date
Dec 13, 2012
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIUM AND STRUCTURE
Publication number
20110309012
Publication date
Dec 22, 2011
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIUM AND STRUCTURE
Publication number
20110215046
Publication date
Sep 8, 2011
Donaldson Company, Inc.
Robert M. Rogers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
STAINLESS STEEL FOR FILTER APPLICATIONS
Publication number
20110192127
Publication date
Aug 11, 2011
HOGANAS AB
Owe Mars
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Stainless Steel For Filter Applications
Publication number
20090038280
Publication date
Feb 12, 2009
HOGANAS AB
Owe Mars
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method and Device for Welding Metallic Fibers Into a Fleece by Repe...
Publication number
20080289503
Publication date
Nov 27, 2008
Emitec Gesellschaft fur Emissionstechnologie mbH
Rolf Bruck
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method for Producing Porous Honeycomb Structure and Porous Honeycom...
Publication number
20070241484
Publication date
Oct 18, 2007
NGK Insulators, Ltd.
Kenji Morimoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MEDIUM AND BREATHER FILTER STRUCTURE
Publication number
20060242933
Publication date
Nov 2, 2006
David M. Webb
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Emi-absorbing air filter
Publication number
20060150599
Publication date
Jul 13, 2006
Richard Norman Johnson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Antimicrobial refrigerator air filter
Publication number
20050279211
Publication date
Dec 22, 2005
Howard Wayne Swofford
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Method for producing porous ceramic article
Publication number
20050242455
Publication date
Nov 3, 2005
NGK Insulators, Ltd.
Yumi Toda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Porous sintered metal and filter thereof, and method for producing...
Publication number
20050191199
Publication date
Sep 1, 2005
HITACHI METALS, LTD., HMY, LTD.
Kenji Date
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Porous body and method for producing the same
Publication number
20050112395
Publication date
May 26, 2005
Akira Harada
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Porous sintered metal and filter thereof, and method for producing...
Publication number
20040072010
Publication date
Apr 15, 2004
HITACHI METALS, LTD
Kenji Date
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Metal fiber/metal powder sheet and process for making same
Publication number
20020096279
Publication date
Jul 25, 2002
Homan B. Kinsley
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...