Porosity decreasing in flow direction

Industry

CPC
B01D2275/305

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01DSEPARATION B01D2275/00Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours

Current Industry

B01D2275/305Porosity decreasing in flow direction

Industries

Patents Grantslast 30 patents

Information Patent Grant
Slip ring system and electrical machine having a slip ring system o...
- Patent number 10,840,774
- Issue date Nov 17, 2020
- Bayerische Motoren Werke Aktiengesellschaft
- Uwe Deuke
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of manufacturing fiberglass filtration media
- Patent number 10,351,462
- Issue date Jul 16, 2019
- Superior Fibers, LLC
- Charles Douglas Spitler
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filtering medium for air filter, filter pack, air filter unit, and...
- Patent number 10,265,654
- Issue date Apr 23, 2019
- Daikin Industries, Ltd.
- Yoshiyuki Shibuya
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of manufacturing fiberglass filtration media
- Patent number 9,968,876
- Issue date May 15, 2018
- Superior Fibers, LLC
- Charles Douglas Spitler
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Filter material
- Patent number 9,592,465
- Issue date Mar 14, 2017
- Mahle International GmbH
- Ralf Disson
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two-stage air filter and mask incorporating the same
- Patent number 8,828,129
- Issue date Sep 9, 2014
- Giovanni D. Volo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Removable external filter for servo air actuated valves
- Patent number 8,603,209
- Issue date Dec 10, 2013
- Hamilton Sundstrand Corporation
- Christopher McAuliffe
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Gas purification apparatus and method
- Patent number 8,475,562
- Issue date Jul 2, 2013
- Tokyo Electron Limited
- Tsuyoshi Moriya
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Filter medium
- Patent number 8,449,642
- Issue date May 28, 2013
- N.V. Bekaert S.A.
- Inge Schildermans
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Removable external filter for servo air actuated valves
- Patent number 8,216,329
- Issue date Jul 10, 2012
- Hamilton Sundstrand Corporation
- Christopher McAuliffe
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Two-stage air filter and mask incorporating the same
- Patent number 8,182,568
- Issue date May 22, 2012
- Giovanni D. Volo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Gas purification apparatus and method
- Patent number 8,152,907
- Issue date Apr 10, 2012
- Tokyo Electron Limited
- Tsuyoshi Moriya
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Filtration element having a variable density sidewall
- Patent number 7,955,407
- Issue date Jun 7, 2011
- H. William Morgan, Jr.
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Diesel soot particulate filter medium
- Patent number 7,846,230
- Issue date Dec 7, 2010
- N.V. Bekaert S.A.
- Feng Mei
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Composite filter and method of making the same
- Patent number 7,094,270
- Issue date Aug 22, 2006
- Airflo Europe N.V.
- Jan Schultink
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Diesel soot filter
- Patent number 6,991,668
- Issue date Jan 31, 2006
- Frank E. Towsley
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Multi-layer filter structure and use of a multi-layer filter structure
- Patent number 6,966,939
- Issue date Nov 22, 2005
- Branofilter GmbH
- Jürgen Rammig
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Fluid filter
- Patent number 6,926,828
- Issue date Aug 9, 2005
- Inoac Corporation
- Teruo Shiraishi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Filter element
- Patent number 6,818,037
- Issue date Nov 16, 2004
- Honda Giken Kogyo Kabushiki Kaisha
- Seiichi Tanaka
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
High capacity hybrid multi-layer automotive air filter
- Patent number 6,811,588
- Issue date Nov 2, 2004
- Advanced Flow Engineering, Inc.
- Shahriar Nick Niakin
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Refrigerator air filtration system
- Patent number 6,736,885
- Issue date May 18, 2004
- Dolores Kaiser
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Heat-resistant and regeneratable filter body with flow paths and pr...
- Patent number 6,534,021
- Issue date Mar 18, 2003
- Emitec Gesellschaft fuer Emissionstechnologie mbH
- Wolfgang Maus
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for compressing atmospheric air, and correspon...
- Patent number 6,508,865
- Issue date Jan 21, 2003
- L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
- Alain Colson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method of filtering used cooking oil
- Patent number 6,482,326
- Issue date Nov 19, 2002
- The Dallas Group of America, Inc.
- James R. Munson
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Refrigerator air filtration system
- Patent number 6,454,841
- Issue date Sep 24, 2002
- Dolores Kaiser
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Depth air filter having fibers intertwined by liquid-jetting
- Patent number 6,387,141
- Issue date May 14, 2002
- Firma Carl Freudenberg
- Anthony Hollingsworth
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Filters including filter envelopes formed from panels having differ...
- Patent number 6,312,598
- Issue date Nov 6, 2001
- James R. Munson
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Particle filter in the form of a pleated non-woven layer
- Patent number 6,110,250
- Issue date Aug 29, 2000
- Irema-Filter GmbH
- Reinhard Jung
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Filter element and fabrication method for the same
- Patent number 5,755,963
- Issue date May 26, 1998
- Nippondenso Co., Ltd.
- Masahito Sugiura
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
High collapse pressure porous filter device
- Patent number 5,656,166
- Issue date Aug 12, 1997
- Fleetguard, Inc.
- Staffan B. Linnersten
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
AIR FILTER MEDIUM, FILTER PLEAT PACK, AND AIR FILTER UNIT
- Publication number 20230372858
- Publication date Nov 23, 2023
- Nitto Denko Corporation
- Yusuke IKEMURA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IM...
- Publication number 20220395771
- Publication date Dec 15, 2022
- Shohtaroh HOSHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER ASSEMBLY
- Publication number 20210113951
- Publication date Apr 22, 2021
- ARUN CO., LTD.
- Soon-bong OH
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER MEDIA HAVING AN OPTIMIZED GRADIENT
- Publication number 20210101100
- Publication date Apr 8, 2021
- Hollingsworth & Vose Company
- MAXIM SILIN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Slip Ring System and Electrical Machine Having a Slip Ring System o...
- Publication number 20190140521
- Publication date May 9, 2019
- Bayerische Motoren Werke Aktiengesellschaft
- Uwe DEUKE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FILTERING MEDIUM FOR AIR FILTER, FILTER PACK, AIR FILTER UNIT, AND...
- Publication number 20170128876
- Publication date May 11, 2017
- DAIKIN INDUSTRIES, LTD.
- Yoshiyuki SHIBUYA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
TWO-STAGE AIR FILTER AND MASK INCORPORATING THE SAME
- Publication number 20120216814
- Publication date Aug 30, 2012
- Giovanni D. Volo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REMOVABLE EXTERNAL FILTER FOR SERVO AIR ACTUATED VALVES
- Publication number 20120216495
- Publication date Aug 30, 2012
- Christopher McAuliffe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
GAS PURIFICATION APPARATUS AND METHOD
- Publication number 20120174773
- Publication date Jul 12, 2012
- TOKYO ELECTRON LIMITED
- Tsuyoshi Moriya
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REMOVABLE EXTERNAL FILTER FOR SERVO AIR ACTUATED VALVES
- Publication number 20120017552
- Publication date Jan 26, 2012
- Christopher McAuliffe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTRATION ELEMENT HAVING A VARIABLE DENSITY SIDEWALL
- Publication number 20100193427
- Publication date Aug 5, 2010
- H. William Morgan, JR.
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTER MEDIUM
- Publication number 20100196218
- Publication date Aug 5, 2010
- Inge Schildermans
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
GRADIENT DENSITY ENGINE INTAKE FILTER MEDIA
- Publication number 20090301042
- Publication date Dec 10, 2009
- R2C PERFORMANCE PRODUCTS LLC
- Ron TROXELL
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Two-stage air filter and mask incorporating the same
- Publication number 20090293730
- Publication date Dec 3, 2009
- Giovanni D. Volo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Two Stage Air Filter
- Publication number 20090249957
- Publication date Oct 8, 2009
- Robert W. Lackey, SR.
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
GAS PURIFICATION APPARATUS AND METHOD
- Publication number 20090025552
- Publication date Jan 29, 2009
- TOKYO ELECTRON LIMITED
- Tsuyoshi Moriya
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Separator for Cleaning Fluid Streams
- Publication number 20080245717
- Publication date Oct 9, 2008
- Mann + Hummel GmbH
- Wolfgang Heikamp
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Two-stage air filter
- Publication number 20070251200
- Publication date Nov 1, 2007
- Giovanni D. Volo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTRATION ELEMENT HAVING A VARIABLE DENSITY SIDEWALL
- Publication number 20070227968
- Publication date Oct 4, 2007
- H. William Morgan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Diesel soot particulate filter medium
- Publication number 20060277881
- Publication date Dec 14, 2006
- N.V. BEKAERT S.A.
- Feng Mei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filtration element having a variable density sidewall
- Publication number 20060230727
- Publication date Oct 19, 2006
- Howard William Morgan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filtration element having a variable density sidewall
- Publication number 20060231486
- Publication date Oct 19, 2006
- Howard William Morgan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filter elements for filters
- Publication number 20060156700
- Publication date Jul 20, 2006
- Kunitaka Maeda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Exhaust gas post treatment arrangement
- Publication number 20060008396
- Publication date Jan 12, 2006
- Stephan Wursthorn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Diesel soot filter
- Publication number 20050066640
- Publication date Mar 31, 2005
- Frank E. Towsley
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Apparatus for and method of trapping products in exhaust gas
- Publication number 20050000201
- Publication date Jan 6, 2005
- Keiji Tanaka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Multi-layer filter structure and use of a multi-layer filter structure
- Publication number 20040211160
- Publication date Oct 28, 2004
- BRANOFILTER GmbH
- Jurgen Rammig
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Intake air filter
- Publication number 20040173178
- Publication date Sep 9, 2004
- Andreas Stihl AG & Co., KG
- Heinz Hettmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Composite filter and method of making the same
- Publication number 20040083695
- Publication date May 6, 2004
- Jan Schultink
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
High capacity hybrid multi-layer automotive air filter
- Publication number 20040083697
- Publication date May 6, 2004
- Shahriar Nick Niakin
- B60 - VEHICLES IN GENERAL

Porosity decreasing in flow direction

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Slip ring system and electrical machine having a slip ring system o...

Method of manufacturing fiberglass filtration media

Filtering medium for air filter, filter pack, air filter unit, and...

Method of manufacturing fiberglass filtration media

Filter material

Two-stage air filter and mask incorporating the same

Removable external filter for servo air actuated valves

Gas purification apparatus and method

Filter medium

Removable external filter for servo air actuated valves

Two-stage air filter and mask incorporating the same

Gas purification apparatus and method

Filtration element having a variable density sidewall

Diesel soot particulate filter medium

Composite filter and method of making the same

Diesel soot filter

Multi-layer filter structure and use of a multi-layer filter structure

Fluid filter

Filter element

High capacity hybrid multi-layer automotive air filter

Refrigerator air filtration system

Heat-resistant and regeneratable filter body with flow paths and pr...

Method and apparatus for compressing atmospheric air, and correspon...

Method of filtering used cooking oil

Refrigerator air filtration system

Depth air filter having fibers intertwined by liquid-jetting

Filters including filter envelopes formed from panels having differ...

Particle filter in the form of a pleated non-woven layer

Filter element and fabrication method for the same

High collapse pressure porous filter device

Patents Applicationslast 30 patents

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

FILTER HOLDING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IM...

FILTER ASSEMBLY

FILTER MEDIA HAVING AN OPTIMIZED GRADIENT

Slip Ring System and Electrical Machine Having a Slip Ring System o...

FILTERING MEDIUM FOR AIR FILTER, FILTER PACK, AIR FILTER UNIT, AND...

TWO-STAGE AIR FILTER AND MASK INCORPORATING THE SAME

REMOVABLE EXTERNAL FILTER FOR SERVO AIR ACTUATED VALVES

GAS PURIFICATION APPARATUS AND METHOD

REMOVABLE EXTERNAL FILTER FOR SERVO AIR ACTUATED VALVES

FILTRATION ELEMENT HAVING A VARIABLE DENSITY SIDEWALL

FILTER MEDIUM

GRADIENT DENSITY ENGINE INTAKE FILTER MEDIA

Two-stage air filter and mask incorporating the same

Two Stage Air Filter

GAS PURIFICATION APPARATUS AND METHOD

Separator for Cleaning Fluid Streams

Two-stage air filter

FILTRATION ELEMENT HAVING A VARIABLE DENSITY SIDEWALL

Diesel soot particulate filter medium

Filtration element having a variable density sidewall

Filtration element having a variable density sidewall

Filter elements for filters

Exhaust gas post treatment arrangement

Diesel soot filter

Apparatus for and method of trapping products in exhaust gas

Multi-layer filter structure and use of a multi-layer filter structure

Intake air filter

Composite filter and method of making the same

High capacity hybrid multi-layer automotive air filter