KVAERNER POWER AB

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 320
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B09B DISPOSAL OF SOLID WASTE 110
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR127
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 154
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
F22D PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS 19
 
  
 
F23G CREMATION FURNACES; CONSUMING WASTE BY COMBUSTION111

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6155216 Variable valve apparatusJan 26, 98Dec 05, 00[F01L]
6030113 Mixing apparatus and method for mixing black liquor from cellulose production with ash from flue gases formed from combustion of black liquorJul 10, 98Feb 29, 00[B01F]
5983930 Air supply valveApr 17, 97Nov 16, 99[F16K]
5803020 Recovery boiler for combustion of waste liquorsOct 06, 94Sep 08, 98[F22D]
5715764 Combustion methodFeb 13, 97Feb 10, 98[F22B]
5460127 Steam boilerSep 08, 93Oct 24, 95[B09B, F22B]
5454908 Recovery boiler and method of reducing NO.sub.x emissionsAug 27, 93Oct 03, 95[D21C]
5450803 Method for the combustion of waste liquidsApr 18, 94Sep 19, 95[F23G]
5103773 Fluid bed furnaceApr 26, 91Apr 14, 92[F22B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5755187 Steam boiler with externally positioned superheating meansExpiredApr 27, 95May 26, 98[F22B]
5676797 Apparatus for removing high-volume, low concentration non-condensable gases produced in a kraft pulping processExpiredApr 13, 95Oct 14, 97[D21C]
5060599 Method and reactor for combustion in a fluidized bedExpiredAug 07, 90Oct 29, 91[B09B, F22B]
4981555 Process and apparatus for concentrating a solutionExpiredSep 21, 89Jan 01, 91[B01D]
4813381 Controlling thermal transmission rate at a fast fluidized bed reactorExpiredAug 20, 87Mar 21, 89[F22B]
4813479 Adjustable particle cooler for a circulating fluidized bed reactorExpiredDec 04, 87Mar 21, 89[F28D]
4748916 Cast air nozzleExpiredSep 21, 87Jun 07, 88[F23L]

Top Inventors for This Owner

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