Method for forming fibrous filter media, filter units and product

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6159318
SERIAL NO

09176665

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method, apparatus and filter unit product wherein filter media fibers are fed from a media supply source to a mat forming interchangeable and movable contoured surface to contour shape a filter media mat into a preselected form for subsequent movement to a transfer zone for further contour shaping and processing into filter unit products with preselected frame arrangements.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AAF INTERNATIONALLOUISVILLE, KY14
AMERICAN AIR FILTER COMPANY, INC.DALLAS, TX21

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Kyung-Ju Louisville, KY 55 499

Cited Art Landscape

Patent Info (Count) # Cites Year
 
AAF INTERNATIONAL (1)
* 5725812 Melt blowing apparatus and method for forming a fibrous layered web of filter media including a fluid distribution arrangement 13 1996
 
Reifenhauser GmbH & Co. Maschinenfabrik (1)
* 4936934 Process and apparatus for collecting nonwoven web 19 1988
 
KIMBERLY-CLARK WORLDWIDE, INC. (1)
* 5643653 Shaped nonwoven fabric 64 1995
 
TORAY INDUSTRIES, INC. (1)
* 4656081 Smooth nonwoven sheet 37 1984
 
Akzona Incorporated (1)
RE31599 Low density matting and process 24 1981
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
THE BOEING COMPANY (1)
* 9731457 System and method for minimizing wrinkles in composites 0 2012
 
3M INNOVATIVE PROPERTIES COMPANY (2)
* 7217333 Method of making self-supporting pleated filter 8 2002
* 2003/0089,090 Method of making self-supporting pleated filter 12 2002
 
CUMMINS FILTRATION IP, INC. (2)
* 8272418 Apparatus, system, and method for manufacturing irregularly shaped panel filters 0 2007
* 2008/0107,765 APPARATUS, SYSTEM, AND METHOD FOR MANUFACTURING IRREGULARLY SHAPED PANEL FILTERS 8 2007
 
AAF-MCQUAY INC. (13)
6736914 Series arrangement for forming layered fibrous mat of differing fibers and controlled surfaces 0 2001
* 2003/0119,408 Series arrangement for forming layered fibrous mat of differing fibers and controlled surfaces 7 2001
6758878 Thermobondable filter medium and border frame and method of making same 10 2002
7097684 Method of forming combined pleated scrim and filter media materials and product of same 5 2002
* 2004/0112,023 Method of forming combined pleated scrim and filter media materials and product of same 14 2002
7112255 Thermobondable filter medium and border frame and method of making same 6 2003
* 2004/0112,526 Thermobondable filter medium and border frame and method of making same 3 2003
7661540 Method of forming spaced pleated filter material and product of same 4 2003
* 2005/0139,544 Method of forming spaced pleated filter material and product of same 8 2003
7255723 Crest supported filter frame assembly and method 28 2004
* 2005/0150,201 Crest supported filter frame assembly and method 2 2004
7625418 Spacer arrangement for pleated filter 3 2005
* 2008/0017,570 Crest Supported Filter Frame Assembly and Method 0 2007
 
ELK PREMIUM BUILDING PRODUCTS, INC. (1)
* 2006/0292,947 Polyester fiber scrim and method for making same 8 2005
 
KIMBERLY-CLARK WORLDWIDE, INC. (2)
* 2003/0203,691 Nonwoven materials having surface features 8 2002
* 2003/0203,162 Methods for making nonwoven materials on a surface having surface features and nonwoven materials having surface features 20 2002
 
AMERICAN AIR FILTER COMPANY, INC. (1)
* 2005/0112,977 Layered fibrous mat of differing fibers and controlled surfaces 7 2004
 
CLARCOR AIR FILTRATION PRODUCTS, INC. (7)
* 2006/0283,162 Fabricating a self-supporting filter element 6 2005
7537632 Panel filter with frame 16 2006
* 2007/0294,988 Panel filter with frame 16 2006
8500839 Panel filter 2 2010
8491690 Panel filter 3 2010
* 2010/0269,468 Panel Filter 6 2010
* 2010/0269,467 Panel Filter 2 2010
 
FILTRATION GROUP, INC. (2)
* 7156891 Forced air system air filter 21 2004
* 2006/0053,759 Forced air system air filter 7 2004
 
GE HEALTHCARE BIO-SCIENCES AB (1)
* 2014/0193,883 GAS EXHAUST FILTER DEVICE FOR A BIOREACTOR 0 2012
 
MANN+HUMMEL GMBH (1)
* 9638147 Filter element with at least one guide crosspiece, filter with a filter element and filter housing of a filter 0 2014
* Cited By Examiner