WRT INTERNATIONAL LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 6128
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 550
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9908788 Radium removal from aqueous media using zeolite materialsSep 10, 14Mar 06, 18[C02F]
8663479 Method for removing cationic contaminants from water using natural zeolite underloaded with transition metal ions to limit leakage of intrinsic arsenic therefromNov 20, 07Mar 04, 14[C02F]
8234679 Technique for selecting multiple entertainment programs to be provided over a communication networkApr 01, 05Jul 31, 12[H04N]
7807057 Dynamic up-flow zeolite system and methodJan 18, 08Oct 05, 10[B01D]
7713424 Methods for purging absorptive materials used in the removal of contaminates from an aqueous mediumMar 18, 09May 11, 10[B01D]
7520987 System and apparatus for purging absorptive materials used in the removal of contaminates from an aqueous mediumNov 15, 06Apr 21, 09[B01D]
7476311 Arsenic removal from aqueous media using chemically treated zeolite materialsSep 25, 02Jan 13, 09[C02F]
7390414 Regeneration of chemically treated zeoliteJan 18, 05Jun 24, 08[C02F]
7326347 Dynamic up-flow zeolite system and methodOct 28, 04Feb 05, 08[B01D]
7326348 Method for removal and destruction of ammonia from an aqueous mediumJul 29, 05Feb 05, 08[C02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0215,552 Systems and methods for removal of contaminates from an aqueous media in the absence of modified nitrate levelsAbandonedSep 15, 06Sep 20, 07[C02F]
2006/0218,103 Method and system for optimizing waste media disposalAbandonedDec 30, 05Sep 28, 06[G06F]

Top Inventors for This Owner

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