DOOSAN BABCOCK LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F23C METHODS OR APPARATUS FOR COMBUSTION USING FLUENT FUEL 615
 
  
 
B01D SEPARATION 5129
 
  
 
F23D BURNERS 527
 
  
 
F23L AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS 512
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 419
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 240
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 127
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
F23G CREMATION FURNACES; CONSUMING WASTE BY COMBUSTION111

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0073,728 DOWNSHOT BURNERFeb 22, 16Mar 15, 18[F23L, F23C, F23D]
2017/0082,283 FLAMELESS OXIDATION DEVICE, APPARATUS AND METHODMay 11, 15Mar 23, 17[F23L, F23C, F23D]
2015/0241,054 BOILER STRUCTURE AND METHOD OF ASSEMBLYSep 27, 13Aug 27, 15[F22B]
2015/0226,426 FUEL PREPARATION APPARATUS AND METHODOct 18, 13Aug 13, 15[F23G]
2014/0202,365 COMBUSTION APPARATUS WITH DIRECT FIRING SYSTEMAug 17, 12Jul 24, 14[F23L, F23C, F23D]
2013/0305,972 LOW-RANK COAL PROCESSING APPARATUS AND METHODNov 25, 11Nov 21, 13[F23K, F26B]
2013/0153,400 Regeneration of Capture MediumDec 17, 10Jun 20, 13[B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9631520 Turbine systemApr 13, 12Apr 25, 17[F01K]
9593846 Oxy-fuel plant with flue gas compression and methodDec 09, 11Mar 14, 17[F23L, F23N, F23C, F22B]
9429313 Steam generatorJun 14, 11Aug 30, 16[F22B]
9346009 Structure of an absorption columnNov 23, 11May 24, 16[B01D]
9328917 Flow control deviceNov 10, 10May 03, 16[F16K, F23L, F23Q, F23C, F23D]
9283516 Column structure for an absorption columnNov 23, 11Mar 15, 16[B01D]
9238192 Apparatus and method for processing a gas streamDec 16, 11Jan 19, 16[F23J, B01F, B01D]
9062877 Furnace tube arrangement for steam generatorJul 21, 11Jun 23, 15[F22B]
8960652 Column internal support structureNov 24, 10Feb 24, 15[B01J, B01F, B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0223,909 ENERGY STORAGE TECHNOLOGY FOR DEMANDED SUPPLY OPTIMISATIONAbandonedSep 18, 12Aug 14, 14[F01K, F23L, F23N]
2014/0057,215 COMBUSTION FURNACE AND METHOD OF OPERATIONAbandonedDec 16, 11Feb 27, 14[F23L, F23N]
2013/0205,781 Steam Turbine and Steam Generator System and Operation ThereofAbandonedJun 23, 11Aug 15, 13[F01K]
2013/0205,782 Feedwater Storage and Recirculation System and MethodAbandonedMar 18, 11Aug 15, 13[F01K]
2013/0199,151 Steam Generator for Combined Cycle Gas Turbine PlantAbandonedMar 18, 11Aug 08, 13[F01K]
2012/0312,020 Regeneration of Capture MediumAbandonedDec 17, 10Dec 13, 12[F01K, B01D]
2012/0174,838 Combustion ApparatusAbandonedJul 23, 10Jul 12, 12[F23L, F23C, F23D]
2012/0167,838 Heat Recovery ModuleAbandonedMay 26, 10Jul 05, 12[F22D]
2012/0160,188 System for Heating a Primary Air StreamAbandonedMay 26, 10Jun 28, 12[F28F, F22B]

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