Puradyn Filter Technologies, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 6128
 
  
 
F16N LUBRICATING313
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 231

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9341309 Oil soluble additive injection apparatusSep 10, 13May 17, 16[F16N, F01M, G01F]
8894847 Adapting multipurpose liquid filterMay 16, 11Nov 25, 14[B01D]
8894851 Lubricant purification systemAug 23, 11Nov 25, 14[B03C, F01M, B01D]
8573407 Air and contaminant isolation and removal apparatus and methodAug 01, 08Nov 05, 13[B01D]
8529755 Oil soluble additive injection apparatusNov 13, 12Sep 10, 13[F16N]
8308941 Oil soluble additive injection apparatusJun 08, 10Nov 13, 12[F16N]
8298419 Multi filter lubricant purification systemMar 25, 10Oct 30, 12[B01D]
8002973 Lubricant purification systemApr 29, 08Aug 23, 11[B01D]
6139725 Oil reclamation device with vaporization chamberSep 22, 98Oct 31, 00[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0276,576 Coating composition for chemical graftingAbandonedMay 15, 06Dec 07, 06[C08K]
2003/0069,378 Filtration efficiencyAbandonedApr 30, 01Apr 10, 03[C08G]

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