ABB MANAGEMENT AG

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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 1247
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 560
 
  
 
F23D BURNERS 428
 
  
 
F23R GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS 425
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 339
 
  
 
C22C ALLOYS 369
 
  
 
F02G HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEMENT ENGINE PLANTS 221
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5839269 Method of operating a combined gas and power steam plantNov 26, 97Nov 24, 98[F02C]
5701731 Method of servicing generator in combined cycle power plantMar 07, 97Dec 30, 97[F02C]
5658358 Fuel supply system for combustion chamberApr 04, 94Aug 19, 97[B01F]
5651253 Apparatus for cooling a gas turbine combustion chamberAug 20, 96Jul 29, 97[F23R]
5615546 Method and appliance for cooling a gas turbine combustion chamberOct 17, 94Apr 01, 97[F23R]
5613356 Method of cooling thermally loaded components of a gas turbine groupMar 02, 95Mar 25, 97[F02C]
5609018 Combined installation for gas and steam turbinesAug 02, 95Mar 11, 97[F02C]
5609030 Combustion chamber with temperature graduated combustion flowNov 03, 95Mar 11, 97[F02C]
5603212 Fuel injector for a self-igniting combustion chamberAug 03, 95Feb 18, 97[F02C]
5593302 Combustion chamber having self-ignitionMar 31, 95Jan 14, 97[F23D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5798757 Methods and interface for building command expressions in a computer systemExpiredNov 13, 95Aug 25, 98[G06F]
5796568 Current limiter deviceExpiredMar 20, 97Aug 18, 98[H02H]
5627454 Method for stabilizing a power supply network against reactive load fluctuations, and a power factor compensation deviceExpiredAug 02, 94May 06, 97[G05F]
5624256 Ceramic lining for combustion chambersExpiredJan 17, 96Apr 29, 97[F27D]
5617447 Method of stabilizing a power supply network against reactive load fluctuations, and a reactive power compensation deviceExpiredOct 06, 95Apr 01, 97[H05B]
5609017 Method and apparatus for operating a combustion chamber for autoignition of a fuelExpiredApr 24, 95Mar 11, 97[F23C]
5609019 Apparatus for operating a gas turbine in a simple cycle and in a cycle combined with a steam turbineExpiredOct 23, 95Mar 11, 97[F02C]
5610937 Regulation method for a DC arc furnaceExpiredNov 29, 94Mar 11, 97[H05B]
5605437 Compressor and method of operating itExpiredJun 03, 94Feb 25, 97[F01D]
5606279 Apparatus for producing a digital input to a recording stationExpiredJan 22, 96Feb 25, 97[H03L]
5588824 Injection nozzleExpiredNov 02, 95Dec 31, 96[F23Q]
5586866 Baffle-cooled wall partExpiredAug 02, 95Dec 24, 96[F01D]
5584182 Combustion chamber with premixing burner and jet propellent exhaust gas recirculationExpiredMar 22, 95Dec 17, 96[F02C]
5584684 Combustion process for atmospheric combustion systemsExpiredMar 31, 95Dec 17, 96[F23Q]
5573395 Premixing burnerExpiredFeb 03, 95Nov 12, 96[F23Q]
5574312 Low-inductance power semiconductor moduleExpiredMay 05, 95Nov 12, 96[H01L]
5568722 Emission probe for the removal of exhaust gas from the combustion chamber of a gas turbineExpiredMar 31, 95Oct 29, 96[F02C]
5564275 Method and apparatus for high-pressure end exhaust gas recirculation on a supercharged internal combustion engineExpiredOct 16, 95Oct 15, 96[F02M, F02B]
5565822 TEM waveguide arrangementExpiredMay 24, 95Oct 15, 96[H01P]
5558515 Premixing burnerExpiredMar 06, 95Sep 24, 96[F23Q]

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