Huaneng Clean Energy Research Institute

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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 221
 
 
 
F22D PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS 28
 
 
 
F22G SUPERHEATING OF STEAM 27
 
 
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 127
 
 
 
F23C METHODS OR APPARATUS FOR COMBUSTION USING FLUENT FUEL 120
 
 
 
F23D BURNERS 131

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9488370 Arrangement structure suitable for inverted pulverized coal boiler with ultra-high steam temperature steam parametersNov 18, 11Nov 08, 16[F22G, F22B, F23C, F23D, F22D]
8904790 M-type pulverized coal boiler suitable for ultrahigh steam temperatureNov 11, 11Dec 09, 14[F22G, F01K, F22B, F22D]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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