AAF International

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 11123
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS 126

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6398839 Pleated fluid filter medium frameApr 24, 01Jun 04, 02[B01D]
6267832 Method and apparatus for automated manufacture of unit filtersAug 11, 99Jul 31, 01[B32B]
6254653 Pleated fluid filter medium blendOct 08, 99Jul 03, 01[B01D]
6165242 Pleated filter media with crest spacers and method of makingMar 27, 99Dec 26, 00[B01D]
6165244 Filter media with fluid stream positioned fibersMar 13, 99Dec 26, 00[B01D]
6159318 Method for forming fibrous filter media, filter units and productOct 21, 98Dec 12, 00[B32B, B01D]
6033454 Air filter assemblyJul 13, 98Mar 07, 00[B01D]
5928396 Pocket filter and method and apparatus for making the sameDec 31, 97Jul 27, 99[B01D]
5891482 Melt blowing apparatus for producing a layered filter media web productJul 08, 96Apr 06, 99[B29C]
5800585 Self-supporting pocket fluid filterApr 03, 97Sep 01, 98[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6409864 Method of assembly of pleated filter with spacer insertExpiredFeb 03, 00Jun 25, 02[B01D]
2001/0036,890 Pleated fluid filter medium methodAbandonedApr 24, 01Nov 01, 01[B31C]
6254476 Air circulating fanExpiredOct 08, 99Jul 03, 01[F24F]
6230776 Apparatus for forming fibrous filter mediaExpiredOct 26, 00May 15, 01[B32B, B01D]
6165241 Pleated filter media with strip spacers and method of makingExpiredMar 27, 99Dec 26, 00[B01D]
6045597 Pleated filter with spacer insertExpiredJun 22, 98Apr 04, 00[B01D]
6022305 Pleating apparatusExpiredMar 11, 98Feb 08, 00[B31F]
5976209 Melt blown product formed as a fibrous layered web of filter mediaExpiredNov 18, 98Nov 02, 99[B01D]
5976427 Melt blowing method for forming layered webs of filter mediaExpiredNov 18, 98Nov 02, 99[B29C]
5968373 Filter arrangement having at least two successive layers having predetermined spacing and its method for makingExpiredDec 22, 97Oct 19, 99[B01D]
5817990 Wall structure for sound attenuating apparatusExpiredJul 25, 96Oct 06, 98[F04F]
5803954 Particulate filter collector arrangement and methodExpiredApr 11, 97Sep 08, 98[B01D]
5725812 Melt blowing apparatus and method for forming a fibrous layered web of filter media including a fluid distribution arrangementExpiredJul 22, 96Mar 10, 98[D01D]

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