US Patent No: 6,673,136

Number of patents in Portfolio can not be more than 2000

Air filtration arrangements having fluted media constructions and methods

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ALSO PUBLISHED AS: 20030037675
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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Filter arrangements include a barrier media in the form of fluted media treated with a deposit of fine fibers. The media is particularly advantageous in high temperature (greater than 140 to 240.degree. F.) systems. Such systems may include engine systems, gas turbine systems, and fuel cell systems. Filter arrangements may take the form of media packs having a circular cross-section or a racetrack shaped cross-section, or media packs formed in a panel configuration.

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First Claim

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Related Publications

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DONALDSON COMPANY, INC.MINNEAPOLIS, MN762

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gillingham, Gary R Prior Lake, MN 64 1987
Gogins, Mark A Roseville, MN 66 1048
Weik, Thomas M Deephaven, MN 59 940

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Donaldson Company, Inc. (24)
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5,364,456 Filtration arrangement and method 77 1993
5,672,399 Filter material construction and method 139 1995
5,772,883 Slanted inline filter 102 1996
5,792,247 Integrated resonator and filter apparatus 110 1996
5,820,646 Inline filter apparatus 220 1996
5,895,574 Rolled liquid filter using fluted media 106 1996
5,902,364 Conical filter 122 1996
D396098 Conical filter 92 1997
5,853,442 Bolt connector assembly having retainer ring construction and reduced diameter shank portion 30 1997
5,938,804 Reverse flow air filter arrangement and method 48 1997
5,954,849 Filter element 52 1997
D425189 Combined filter element and frame therefor 98 1998
5,897,676 Reverse flow air filter arrangement and method 126 1998
6,123,751 Filter construction resistant to the passage of water soluble materials; and method 44 1998
6,090,173 Air filter assembly for filtering air with particulate matter 38 1998
6,190,432 Filter arrangement; sealing system; and methods 135 1999
6,210,469 Air filter arrangement having first and second filter media dividing a housing and methods 47 1999
6,235,195 Filter element incorporating a handle member 133 1999
6,348,085 Filter arrangement and methods 80 1999
6,350,291 Filter arrangement; sealing system; and methods 118 2000
 
3M INNOVATIVE PROPERTIES COMPANY (8)
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6,068,799 Method of making electret articles and filters with increased oily mist resistance 38 1997
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5,968,635 Fibrous webs useful for making electret filter media 57 1997
5,976,208 Electret filter media containing filtration enhancing additives 65 1997
6,002,017 Compounds useful as resin additives 50 1997
6,354,296 Anti-fog face mask 13 1998
6,391,807 Polymer composition containing a fluorochemical oligomer 22 1999
 
Minnesota Mining and Manufacturing Company (5)
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4,874,399 Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene) 116 1988
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LIFESHIELD SCIENCES LLC (4)
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2004/0158,312 Braided endoluminal device having tapered filaments 3 2003
 
THE UNIVERSITY OF LIVERPOOL (3)
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4,689,186 Production of electrostatically spun products 73 1985
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AIR-MAZE CORPORATION (1)
6,152,996 Air cleaner element having incorporated sorption element 49 1998
 
Airotech, Inc. (1)
5,961,696 Method of and apparatus for installing filter cartridges in a dust collector 17 1993
 
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EMPRISE TECHNOLOGY ASSOCIATES CORPORATION (1)
6,013,385 Fuel cell gas management system 172 1997
 
HONDA GIKEN KOGYO KABUSHIKI KAISHA (1)
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INMONT CORPORATION, (CHANGED TO) (1)
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International Fuel Cells Corporation (1)
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KIMBERLY-CLARK WORLDWIDE, INC. (1)
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KURASHIKI BOSEKI KABUSHIKI KAISHA (1)
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MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
6,057,051 Miniaturized fuel cell assembly 85 1997
 
MEADWESTVACO CORPORATION (1)
4,900,671 Biocatalytic process for preparing phenolic resins using peroxidase or oxidase enzyme 86 1987
 
MET-PRO CORPORATION (1)
4,443,237 Dust collecting filter cartridge and attachment structure for suspending same from baghouse tube sheet 47 1982
 
NEENAH GESSNER GMBH (1)
6,395,046 Dust filter bag containing nano non-woven tissue 62 2000
 
NIPPON PILLAR PACKING CO., LTD. (1)
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Nippondenso Co., Ltd. (1)
5,993,580 Process for manufacturing a filter element 32 1997
 
OLIN MICROELECTRONIC CHEMICALS, INC. (1)
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PALL CORPORATION (1)
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Parmatic Filter Corporation (1)
4,698,078 Separator assembly 14 1986
 
SHAKESPEARE COMPANY, LLC (1)
4,992,515 Nylon terpolymer crosslinked with melamine formaldehyde for coating sewing threads 29 1990
 
SHIN-ETSU CHEMICAL CO., LTD. (1)
6,048,661 Polymeric compounds, chemically amplified positive type resist materials and process for pattern formation 39 1998
 
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SUEHIRO KOGYO CO., LTD. (1)
5,324,558 Laminated tube 21 1992
 
TEIJIN LIMITED (1)
6,177,192 Polyethylene naphthalate fiber 9 1999
 
The Charles Stark Draper Laboratory, Inc. (1)
5,372,617 Hydrogen generation by hydrolysis of hydrides for undersea vehicle fuel cell energy systems 134 1993
 
The Procter & Gamble Company (1)
4,468,428 Hydrophilic microfibrous absorbent webs 90 1982
 
Tokuyama Soda Kabushiki Kaisha (1)
5,238,735 Microporous shaped article and process for preparation thereof 50 1990
 
TOKYO GAS CO., LTD. (1)
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Tsuchiya Mfg. Co., Ltd. (1)
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UBE INDUSTRIES, LTD. (1)
4,370,290 Process for producing aromatic polyimide filaments 38 1981
 
Union Carbide Corporation (1)
4,278,623 Ultra-fine fibers and method for making same 38 1977
 
UNITIKA LTD. (1)
4,804,707 Impact resistant resin composition 11 1987
 
UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION (1)
5,273,565 Meltblown fabric 47 1992
 
WIX FILTRATION CORP. (1)
5,895,510 Air filter assembly 39 1997
 
YARDNEY TECHNICAL PRODUCTS, INC., A CORP. OF DE. (1)
5,156,925 Hydrogen removal system for metal/air cell 34 1991
 
Other [Check patent profile for assignment information] (1)
4,842,924 Novel compositions based on reinforcement with microfibrillar networks of rigid-rod polymers 33 1986

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Donaldson Company, Inc. (58)
D511377 Inlet air filter hood module for gas turbine systems 13 2002
6,924,028 Polymer, polymer microfiber, polymer nanofiber and applications including filter structures 41 2003
7,282,075 Z-filter media with reverse-flow cleaning systems and methods 38 2003
6,974,490 Air filtration arrangements having fluted media constructions and methods 33 2003
7,070,640 Polymer, polymer microfiber, polymer nanofiber and applications including filter structures 33 2004
7,008,465 Cleanable high efficiency filter media structure and applications for use 60 2004
7,179,317 Polymer, polymer microfiber, polymer nanofiber and applications including filter structures 24 2004
7,674,308 Filter elements; air cleaner; assembly; and methods 32 2005
7,090,712 Air filtration arrangements having fluted media construction and methods 28 2005
7,967,886 Z-filter media pack arrangement; and, methods 11 2005
8,034,145 Air filter arrangement; assembly; and, methods 11 2005
8,277,532 Air filter arrangement; assembly; and methods 5 2005
7,641,055 Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy 2 2005
8,496,723 Air filter arrangement 1 2006
8,292,983 Air filter cartridge and air cleaner assembly 3 2006
7,338,544 Z-filter media with reverse-flow cleaning systems and methods 22 2006
7,270,693 Polymer, polymer microfiber, polymer nanofiber and applications including filter structures 11 2006
7,340,888 Diesel particulate matter reduction system 3 2006
7,318,852 Bag house filter with fine fiber and spun bonded media 20 2006
7,316,723 Air filter with fine fiber and spun bonded media 23 2006
7,270,692 Air filtration arrangements having fluted media constructions and methods 24 2006
D600790 Filter cartridge 8 2006
7,318,853 Polymer, polymer microfiber, polymer nanofiber and applications including filter structures 6 2006
7,625,419 Air filter arrangement; assembly; and, methods 18 2007
7,708,797 Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methods 4 2007
7,981,509 Polymer blend, polymer solution composition and fibers spun from the polymer blend and filtration applications thereof 1 2007
7,655,070 Web comprising fine fiber and reactive, adsorptive or absorptive particulate 33 2007
7,862,640 Low temperature diesel particulate matter reduction system 3 2007
7,713,321 Air cleaner arrangements; components thereof; and, methods 8 2007
8,057,563 Filter apparatus configuration of pulsed cleaned panel-style filters and methods 0 2007
8,057,582 System configuration of pulsed cleaned panel-style filter elements and methods 0 2007
7,959,702 Air filtration media pack, filter element, air filtration media, and methods 4 2008
8,545,589 Filtration media pack, filter element, and methods 0 2008
8,216,334 Air filter arrangement; assembly; and, methods 1 2008
7,861,521 Method for regenerating a diesel particulate filter 1 2009
8,317,890 Filter assembly; components therefor; and, methods 1 2009
7,910,003 Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy 2 2009
8,062,399 Air filter arrangement; assembly; and, methods 8 2009
8,118,901 Fine fiber media layer 2 2009
8,048,210 Web comprising fine fiber and reactive, adsorptive or absorptive particulate 3 2009
8,101,003 Filter elements; air cleaner; assembly; and, methods 3 2010
8,617,276 Filter cartridge, dust collectors, and methods 0 2010
8,491,691 Filter cartridge with seal member and methods 0 2010
8,029,588 Fine fiber media layer 1 2010
8,141,716 Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy 0 2011
8,241,383 Z-filter media pack arrangement; and, methods 3 2011
8,361,183 Air filtration media pack, filter element, air filtration media, and methods 1 2011
8,247,069 Polymer blend, polymer solution composition and fibers spun from the polymer blend and filtration applications thereof 0 2011
8,246,730 Web comprising fine fiber and reactive, adsorptive or absorptive particulate 0 2011
8,211,218 Web comprising fine fiber and reactive, adsorptive or absorptive particulate 1 2011
8,366,797 Fine fiber media layer 0 2011
8,480,779 Air filter arrangement; assembly; and, methods 0 2011
8,328,897 Air cleaner arrangement; assembly; and, methods 2 2011
8,663,355 Air filter arrangement; assembly; and, methods 0 2012
8,343,264 Web comprising fine fiber and reactive, adsorptive or absorptive particulate 0 2012
8,518,141 Z-filter media pack arrangement; and, methods 0 2012
8,512,431 Fine fiber media layer 0 2012
8,636,820 Air filter arrangement 0 2013
 
BALDWIN FILTERS, INC. (13)
8,042,694 Gathered filter media for an air filter and method of making same 2 2004
7,318,851 Filter element 43 2004
7,255,300 Method and apparatus for winding a filter media pack 31 2004
7,753,982 Filter with drained jacket, seal indicator/lock means, and seal baffle 11 2006
7,909,954 Method and apparatus for winding a filter media pack 2 2007
8,277,531 Filter element 3 2007
8,048,187 Filter frame attachment and fluted filter having same 1 2008
7,931,725 Fluted filter apparatus 7 2009
8,177,877 Filter frame attachment and fluted filter having same 4 2011
8,206,625 Filter element 2 2011
8,540,790 Filter element 0 2012
8,673,043 Fluid filter 0 2012
8,551,375 Filter element 0 2013
 
GEO2 TECHNOLOGIES, INC. (13)
6,946,013 Ceramic exhaust filter 36 2002
7,578,979 Ceramic diesel exhaust filters 0 2004
7,682,577 Catalytic exhaust device for simplified installation or replacement 0 2005
7,682,578 Device for catalytically reducing exhaust 0 2005
7,451,849 Substantially fibrous exhaust screening system for motor vehicles 2 2005
7,574,796 Nonwoven composites and related products and methods 2 2005
7,722,828 Catalytic fibrous exhaust system and method for catalyzing an exhaust gas 1 2005
7,582,270 Multi-functional substantially fibrous mullite filtration substrates and devices 3 2005
7,572,311 Highly porous mullite particulate filter substrate 10 2005
7,444,805 Substantially fibrous refractory device for cleaning a fluid 1 2005
7,563,415 Catalytic exhaust filter device 0 2006
7,211,232 Refractory exhaust filtering method and apparatus 2 2006
7,572,416 Nonwoven composites and related products and methods 21 2007
 
E. I. DU PONT DE NEMOURS AND COMPANY (6)
8,679,216 Process for forming a laminate of a nanoweb and a substrate and filters using the laminate 0 2007
8,361,180 Durable nanoweb scrim laminates 0 2007
8,512,432 Composite filter media 0 2008
8,308,834 Composite filter media 0 2008
7,927,540 Method of manufacturing a composite filter media 1 2008
7,922,959 Method of manufacturing a composite filter media 23 2008
 
FRAM GROUP IP LLC (5)
7,419,525 Filter and method of making 0 2005
7,794,556 Filter and method of making 2 2006
7,951,219 Cast formed filter and method of making the same 0 2007
8,012,232 Filter and method of making 2 2010
8,366,798 Filter and method of making 0 2011
 
HUNTER DOUGLAS INC. (5)
7,377,084 Compressible structural panel 2 2002
7,303,641 Method for fabricating cellular structural panels 2 2002
7,398,624 Compressible structural panel with end clip 4 2006
7,207,151 Structural panel with compressible dividers 7 2006
7,194,846 Method of manufacturing a compressible structural panel with reinforcing dividers 5 2006
 
CLARCOR INC. (4)
7,967,588 Fine fiber electro-spinning equipment, filter media systems and methods 0 2007
7,815,427 Apparatus and method for reducing solvent loss for electro-spinning of fine fibers 0 2007
8,172,092 Filter having melt-blown and electrospun fibers 1 2009
8,366,986 Fine fiber electro-spinning equipment, filter media systems and methods 0 2011
 
Kohler Co. (4)
8,052,780 Air cleaner assembly 2 2006
D632770 Cyclonic air cleaner housing 3 2008
8,585,805 Cyclonic air cleaner 0 2009
8,419,834 Air cleaner assembly 0 2010
 
MANN+HUMMEL GMBH (4)
7,648,545 Filter sealing system 1 2006
7,501,004 Filter element 0 2007
8,262,788 Air filter housing for a compact air filter element 0 2007
8,088,190 Unitary filter element with integral pre-separation 2 2008
 
3M INNOVATIVE PROPERTIES COMPANY (2)
7,691,168 Highly charged, charge stable nanofiber web 5 2006
8,382,872 Dust collection device for sanding tool 0 2009
 
FLEETGUARD, INC. (2)
7,097,694 High performance, high efficiency filter 23 2003
7,662,216 In-line filter and service method 4 2006
 
FUJI XEROX CO., LTD. (2)
7,695,769 Composite and method of manufacturing the same 4 2004
8,052,952 Composite and method of manufacturing the same 1 2010
 
HOLLINGSWORTH & VOSE COMPANY (2)
8,236,082 Flutable fiber webs with high dust holding capacity 1 2009
8,545,590 Flutable fiber webs with high dust holding capacity 0 2011
 
KX TECHNOLOGIES LLC (2)
7,655,112 Integrated paper comprising fibrillated fibers and active particles immobilized therein 7 2003
8,613,363 Integrated paper comprising fibrillated fibers and active agents immobilized therein 0 2009
 
MITSUBISHI HEAVY INDUSTRIES, LTD. (2)
7,048,501 Dust collecting filter, dust collecting device, and air intake device for gas turbine 11 2001
7,025,802 Filter control method, and filter controlled by the method 0 2002
 
AAF-MCQUAY INC. (1)
7,105,124 Method, apparatus and product for manufacturing nanofiber media 10 2001
 
BASF CORPORATION (1)
8,372,477 Polymeric trap with adsorbent 0 2010
 
BHA ALTAIR, LLC (1)
7,942,948 Filter element including a composite filter media 0 2008
 
CARL FREUDENBERG KG (1)
7,569,087 Filter element provided with channels of variable dimensions and arrangement 0 2006
 
DONALD COMPANY, INC. (1)
7,972,404 Air cleaner arrangements; components thereof; and, methods 5 2007
 
HONDA GIKEN KOGYO KABUSHIKI KAISHA (1)
6,968,922 Exhaust apparatus for vehicle 10 2002
 
INTUITIVE SURGICAL OPERATIONS, INC. (1)
7,959,703 Fluted filter with integrated frame 3 2008
 
KIMBERLY-CLARK WORLDWIDE, INC. (1)
7,390,760 Composite nanofiber materials and methods for making same 14 2004
 
NANOCOMP TECHNOLOGIES, INC. (1)
7,611,579 Systems and methods for synthesis of extended length nanostructures 15 2005
 
PEOPLE'S UNITED BANK (1)
7,815,806 Purification of fluids with carbon nanotubes having attached functional group 3 2007
 
PHILIP MORRIS USA INC. (1)
8,453,653 Hollow/porous fibers and applications thereof 2008
 
RESEARCH TRIANGLE INSTITUTE (1)
7,592,277 Nanofiber mats and production methods thereof 7 2005
 
SELDON TECHNOLOGIES, INC. (1)
7,419,601 Nanomesh article and method of using the same for purifying fluids 24 2005
 
The Hong Kong Polytechnic University (1)
8,303,693 Nanofiber filter facemasks and cabin filters 0 2007
 
WIX FILTRATION CORP. (1)
7,588,619 Cross-flow filter media and filter assembly 2 2006
 
Other [Check patent profile for assignment information] (1)
7,422,051 System and method for using a flexible composite surface for pressure-drop free heat transfer enhancement and flow drag reduction 2 2006

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