ABB CARBON AB

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 257
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 221
 
  
 
B01D SEPARATION 1133
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5457952 Air flow control system in PFBC plantsMar 14, 94Oct 17, 95[F02C]
5435122 Temperature control method and apparatus for the air supply in PFBC plantsMar 11, 94Jul 25, 95[F02C]
5407649 Method for reducing the emission of NO.sub.x in a combustion processJul 15, 92Apr 18, 95[B01D]
5377627 Fluidized bed combustor, equipped with means for improving the distribution of fuel and gasesJul 15, 93Jan 03, 95[F22B]
5330320 Method and a device in a rotating machineMar 31, 93Jul 19, 94[F01D]
5304362 Method in cleaning flue gas in a PFBC plant including a gas turbine driven therebyJul 16, 92Apr 19, 94[C01B, B01J]
5261354 PFBC power plantNov 09, 92Nov 16, 93[F22B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2001/0003,896 POWER PLANTAbandonedMay 29, 98Jun 21, 01[F02B]
5971010 Shaft device and a method of cooling a shaft deviceExpiredApr 02, 98Oct 26, 99[F16K]
5868083 Method and device for feeding fuel into a fluidized bedExpiredMar 27, 97Feb 09, 99[F23G, F23L, F23D]
5755166 Method and device for after-burning of particulate fuel in a power plantExpiredOct 09, 96May 26, 98[F23D]
5707198 Method and device for discharging particulate material from a pressurized containerExpiredApr 06, 95Jan 13, 98[B65G]
5597628 LiningExpiredAug 19, 94Jan 28, 97[F16L]
5518529 Method and device for ash dischargeExpiredMar 13, 95May 21, 96[B65G]
5503661 Method and device in a filter valveExpiredMay 10, 94Apr 02, 96[B01D]
5490469 Method and apparatus for heating the bed material in a PFBC plantExpiredMar 02, 94Feb 13, 96[F23C, F22B]
5477683 Method and device during starting and low-load operation of a once-through boilerExpiredDec 21, 92Dec 26, 95[F22D]
D359117 Tubing assembly unit for boilers for use in connection with combustion on pressurized fluidizied bedsExpiredMar 22, 93Jun 06, 95[]
D358879 Tubing assembly unit for boilers for use in connection with combustion on pressurized fluidized bedsExpiredMar 22, 93May 30, 95[]
5406785 Method and a device in a PFBC power plantExpiredDec 20, 93Apr 18, 95[F02C]
5400725 Method and device for feeding particulate material into a pressurized containerExpiredMar 04, 93Mar 28, 95[F23G]
5398644 Temperature measurement at evaporator outletExpiredMar 11, 94Mar 21, 95[F22D]
D353666 Tubing assembly unit for boilers for use in connection with combustion on pressurized fluidized bedsExpiredMar 17, 93Dec 20, 94[]
5347814 Steam system in a multiple boiler plantExpiredDec 22, 92Sep 20, 94[F01K]
5331804 System for starting a power plantExpiredJun 04, 93Jul 26, 94[F02C]
5329892 Frame for bed vesselExpiredDec 15, 92Jul 19, 94[F22B]
D342124 Boiler for a combustion plant having a pressurized fluidized bedExpiredNov 06, 90Dec 07, 93[]

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