PURFRESH, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5945073 Thermoelectric cooling of corona-discharge ozone cellsSep 12, 97Aug 31, 99[B01J]
5215375 Static shearing elementApr 24, 91Jun 01, 93[B01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0180,953 METHODS AND SYSTEMS FOR CONTROLLED DISTRIBUTION OF PERISHABLE GOODSAbandonedDec 12, 13Jun 26, 14[G06Q, A23B]
2009/0185,959 Distributed networked ozonation systemAbandonedNov 25, 08Jul 23, 09[B01J]
2008/0166,458 Adjustable aperture for plant tissue packagingAbandonedJul 31, 07Jul 10, 08[B65D]
2008/0166,694 Plant tissue packaging processAbandonedJul 26, 07Jul 10, 08[A01N]
2008/0116,149 System and method for the disinfection of irrigation waterAbandonedOct 05, 07May 22, 08[C02F]
6372096 Pressure regulation process for ozone generating cellExpiredMay 25, 00Apr 16, 02[H05F, B01J]
5968352 Gas contact tankExpiredOct 09, 98Oct 19, 99[B01F, C02F]
5114576 Prevention of contaminants buildup in captured and recirculated water systemsExpiredOct 11, 90May 19, 92[C02F]
5002739 Ozone cell with cooling bellowsExpiredSep 11, 90Mar 26, 91[B01J]
4877588 Method and apparatus for generating ozone by corona dischargeExpiredJun 17, 88Oct 31, 89[C01B]

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