VEOLIA WATER TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 1878
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 1540
 
  
 
B01D SEPARATION 12122
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR424
 
  
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 312
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B09C RECLAMATION OF CONTAMINATED SOIL 18
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
  
 
C12M APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY 148

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0029,904 ENHANCED PROCESS FOR SELECTIVE SALT RECOVERY FROM WASTEWATER, WASTE SALTS, AND BRINESJul 26, 17Feb 01, 18[C02F, B01D]
2016/0221,846 PROCESS FOR WATER TREATMENT PRIOR TO REVERSE OSMOSISApr 05, 16Aug 04, 16[C02F]
2015/0368,133 PROCESS FOR TREATING WATERS PRODUCED OR COLLECTED FROM THE OIL EXTRACTION IN MINING OPERATIONS AND REDUCING THE TENDENCY OF CALCIUM SCALING OF PROCESS EQUIPMENTJun 24, 15Dec 24, 15[C02F]
2014/0263,057 PROCESS FOR RECOVERING OIL FROM AN OIL-BEARING FORMATION AND TREATING PRODUCED WATER CONTAINING ANTI-SCALING ADDITIVESMar 12, 14Sep 18, 14[C02F, E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9909401 Method of flash-cooling produced water and heating steam generator feedwaterAug 07, 15Mar 06, 18[E21B, C02F]
9840903 Oil recovery process including treating permeate from a ceramic membrane to enhance oil recoveryMar 11, 14Dec 12, 17[C09K, B09C, E21B, C02F]
9574303 Method of recovering pulping chemicals from dissolved ash having a high carbonate contentMay 26, 16Feb 21, 17[B01D, D21C, C01D]
9506334 Process for recovering oil and treating resulting produced water with ceramic membranesMar 10, 14Nov 29, 16[E21B, C02F, B01D]
9475712 Process for recovering sulfate and chloride salts from wastewater, mixed salts, and brinesMar 24, 16Oct 25, 16[C02F, C01D]
9440872 Process for treating brine recovered from a coal seam gas operationMar 14, 13Sep 13, 16[C02F]
9127540 Method of recovering oil and producing produced water that is concentrated and dried by a double drum dryerFeb 08, 13Sep 08, 15[E21B, C02F, B01D]
8778037 Process of scrubbing volatiles from evaporator water vaporMay 25, 10Jul 15, 14[C01B]
8734650 Method for recovering gas from shale reservoirs and purifying resulting produced water to allow the produced water to be used as drilling or frac water, or discharged to the environmentDec 01, 10May 27, 14[C02F]
8721837 Method for recovering pulping chemicals and reducing the concentration of potassium and chloride thereinDec 10, 12May 13, 14[D21C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0263,056 PROCESS FOR WATER TREATMENT PRIOR TO REVERSE OSMOSISAbandonedMar 12, 14Sep 18, 14[C02F]
6921483 Bioreactor process using an airlift membrane device and membrane bioreactorExpiredMar 30, 04Jul 26, 05[C02F]
6767455 Airlift membrane device and membrane bioreactor and bioreactor process containing sameExpiredSep 30, 02Jul 27, 04[C02F, B01D]

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