KERFOOT TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 2332
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 636
 
  
 
B09C RECLAMATION OF CONTAMINATED SOIL 36
 
  
 
B09B DISPOSAL OF SOLID WASTE 29
 
  
 
E21B EARTH OR ROCK DRILLING 294
 
  
 
E02B HYDRAULIC ENGINEERING 117
 
  
 
B82Y SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; MEASUREMENT OR ANALYSIS OF NANO-STRUCTURES; MANUFACTURE  OR TREATMENT OF NANO-STRUCTURES152

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0348,743 Apparatus for Treating Perfluoroalkyl CompoundsJun 16, 17Dec 07, 17[B09C, C02F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9694401 Method and apparatus for treating perfluoroalkyl compoundsMar 04, 13Jul 04, 17[B09C, C02F]
8906241 Enhanced reactive ozoneSep 07, 06Dec 09, 14[B82Y, C02F]
8771507 Directional microporous diffuser and directional spargingAug 03, 09Jul 08, 14[B09C]
8678354 Nano-bubble generator and treatmentsApr 02, 10Mar 25, 14[B01F]
8557110 Groundwater and subsurface remediationJan 15, 10Oct 15, 13[C02F]
8225856 Treatment for recycling fracture water—gas and oil recovery in shale depositsSep 12, 11Jul 24, 12[E21B]
8016041 Treatment for recycling fracture water gas and oil recovery in shale depositsMar 05, 08Sep 13, 11[E21B]
7645380 Microporous diffusion apparatusOct 27, 08Jan 12, 10[B09B, C02F]
7264747 Coated microbubbles for treating an aquifer or soil formationsJan 09, 06Sep 04, 07[C02F]
7033492 Groundwater and subsurface remediationJun 23, 03Apr 25, 06[E02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0151,993 Enhanced Reactive ZoneAbandonedDec 08, 14Jun 04, 15[C01B, C02F]
8302939 Soil and water remediation system and methodExpiredDec 04, 09Nov 06, 12[B01F]
RE43350 Microporous diffusion apparatusExpiredJul 30, 10May 08, 12[B09B, C02F]
7666313 Groundwater and subsurface remediationExpiredApr 24, 06Feb 23, 10[C02F]
7666316 Permanganate-coated ozone for groundwater and soil treatment with in-situ oxidationExpiredJun 06, 05Feb 23, 10[C02F]
7661657 Deep well spargingExpiredNov 17, 08Feb 16, 10[B01F]
7651611 Directional microporous diffuser and directional spargingExpiredJul 12, 06Jan 26, 10[B01F, C02F]
7648640 Directional microporous diffuser and directional spargingExpiredJul 22, 08Jan 19, 10[B01F]
7645384 Environmental remediation method using ozonophilic bacteria within a liquid coating of bubblesExpiredOct 20, 08Jan 12, 10[C02F]
7621696 Directional microporous diffuser and directional spargingExpiredJul 12, 06Nov 24, 09[B01F]
2009/0272,697 Superoxidant Poiser For Groundwater And Soil Treatment With In-Situ Oxidation-Reduction And Acidity-Basicity AdjustmentAbandonedJun 11, 09Nov 05, 09[B09C, C02F]
7572368 Water treatment apparatusExpiredSep 04, 07Aug 11, 09[C02F]
7569140 Directional spargewell systemExpiredNov 10, 05Aug 04, 09[C02F]
7547388 Superoxidant poiser for groundwater and soil treatment with in-situ oxidation-reduction and acidity-basicity adjustmentExpiredJul 20, 04Jun 16, 09[C02F]
7537706 Microporous diffusion apparatusExpiredNov 24, 04May 26, 09[B09B, C02F]
7451965 Deep well spargingExpiredNov 07, 06Nov 18, 08[B01F]
7442313 Environmental remediation method and systemExpiredAug 12, 04Oct 28, 08[C02F]
7401767 Directional microporous diffuser and directional spargingExpiredDec 24, 03Jul 22, 08[B01F]
7326002 Sparge broadcasting in fracture rockExpiredMar 07, 05Feb 05, 08[B09B]
7300039 Environmental remediation method and apparatusExpiredOct 12, 04Nov 27, 07[B01F]

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