FOSTER WHEELER ENERGY INTERNATIONAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
B04C APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES 112
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 122
 
  
 
F22D PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER; FEED-WATER SUPPLY; CONTROLLING WATER LEVEL; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS 19
 
  
 
F23D BURNERS 131
 
  
 
F23G CREMATION FURNACES; CONSUMING WASTE BY COMBUSTION111
 
  
 
F23J REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 116
 
  
 
F23L AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS 116

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5809912 Heat exchanger and a combustion system and method utilizing sameJun 11, 96Sep 22, 98[F23D]
5771844 Cyclone separator having increased gas flow capacityApr 04, 96Jun 30, 98[B04C, B01D]
5738021 Adjustable sleeve damper assembly for a coal-fired furnaceFeb 06, 96Apr 14, 98[F23L]
5727480 Over-fire air control system for a pulverized solid fuel furnaceApr 17, 96Mar 17, 98[F23J]
5713311 Hybrid steam generating system and methodFeb 15, 96Feb 03, 98[F22B, F22D]
5678497 Apparatus for distributing secondary air into a large scale circulating fluidized bedApr 30, 96Oct 21, 97[F23G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5983809 Burner assembly with low erosion inlet elbowExpiredFeb 06, 96Nov 16, 99[F23M, F23C, F23D]
5950417 Topping combustor for low oxygen vitiated air streamsExpiredMar 20, 98Sep 14, 99[F02C]
5711350 Piping systems providing minimal acoustically-induced structural vibrations and fatigueExpiredJul 31, 96Jan 27, 98[F15D]

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