USF FILTRATION AND SEPARATIONS GROUP INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 10124
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4153
 
  
 
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
 
  
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS128
 
  
 
E02B HYDRAULIC ENGINEERING 117
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8051089 Systems and methods for location-based real estate serviceApr 30, 03Nov 01, 11[G06F]
6521012 Oleophobic coated membranesMay 01, 01Feb 18, 03[B01D]
RE37430 Stainless steel yarn and protective fabricSep 27, 95Oct 30, 01[D02G]
6277281 Large pore synthetic polymer membranesMay 15, 00Aug 21, 01[B01D]
6258272 Internal hydrophilic membranes from blended anionic copolymersApr 09, 99Jul 10, 01[B01D]
6110309 Process of making a polyvinylidene difluoride membraneAug 20, 98Aug 29, 00[B29C, B32B]
6110369 Large pore synthetic polymer membranesJul 29, 97Aug 29, 00[B01D]
D416995 FilterOct 10, 97Nov 23, 99[2304]
5979670 Large pore synthetic polymer membranesJun 11, 97Nov 09, 99[B01D]
5928774 Highly asymmetric ultrafiltration membranesDec 18, 98Jul 27, 99[F08J, B32B, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6706182 Caged pleated filter cartridge assemblies and filtration systems employing the sameExpiredOct 23, 01Mar 16, 04[B01D]
2003/0155,293 Square-holed spiral welded filter element support sleeveAbandonedFeb 21, 02Aug 21, 03[B01D]
2003/0104,332 Apparatus and method of continuous sintering a web materialAbandonedOct 22, 01Jun 05, 03[F27B, F26B]
2003/0038,081 High strength asymmetric cellulosic membraneAbandonedAug 14, 01Feb 27, 03[B01D]
2002/0148,774 Asymmetric hydrophilic membrane by graftingAbandonedFeb 06, 01Oct 17, 02[B01D]
6435861 Gas burner assembly and method of makingExpiredAug 01, 00Aug 20, 02[F23D]
6437967 CapacitorExpiredApr 12, 01Aug 20, 02[H01G]
2002/0108,684 Process of making alloy fibersAbandonedAug 09, 01Aug 15, 02[C23C]
2002/0092,804 Insert for housingAbandonedNov 19, 01Jul 18, 02[B01D]
2002/0029,453 Apparatus and process for producing high quality metallic fiber towAbandonedSep 10, 01Mar 14, 02[B23P, B21F]
2002/0031,629 Method and apparatus for forming melt-blown filter cartridges having melt-blown core elements, and the filter cartridges formed therebyAbandonedAug 30, 01Mar 14, 02[F16L]
2002/0007,546 Advanced alloy fiber and process of makingAbandonedDec 22, 00Jan 24, 02[B23P]
6329625 Method of making a sealExpiredOct 04, 99Dec 11, 01[B23K, B01D]
2001/0037,972 Fluid separating deviceAbandonedApr 03, 01Nov 08, 01[B01D]
6309531 Process for extracting copper or ironExpiredMay 07, 99Oct 30, 01[C25C]
6306336 Apparatus and method of continuous sintering a web materialExpiredNov 10, 99Oct 23, 01[C21D]
6297440 Thermoelectric device and method of makingExpiredOct 04, 99Oct 02, 01[H01L]
6291806 Process for bonding workpiecesExpiredSep 30, 99Sep 18, 01[H05B, B01D]
6292349 CapacitorExpiredFeb 28, 00Sep 18, 01[H01G]
6248192 Process for making an alloyExpiredMay 07, 99Jun 19, 01[C22F]

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