DOOSAN HEAVY INDUSTRIES CONSTRUCTION CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 128
 
  
 
B28D WORKING STONE OR STONE-LIKE MATERIALS 121
 
  
 
B63J AUXILIARIES ON VESSELS110
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 127
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 158
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 122
 
  
 
G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES 120

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0167,294 ROTOR STRUCTURE FOR REMOVING BEARING OILDec 12, 16Jun 15, 17[F01D]
2016/0035,443 TREATMENT APPARATUS FOR WASTE STEAM GENERATOR AND INSTALLATION METHOD THEREOFJul 29, 15Feb 04, 16[G21C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9899109 Treatment apparatus and method for waste steam generator, and installation method of treatment apparatus for waste steam generatorJul 29, 15Feb 20, 18[B28D, G21D, B23D]
9677432 cycleJul 13, 15Jun 13, 17[F01K]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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