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ASEA STAL AB
SE30 patents
Top patents by PatentIndex Score
US4584949AApr 29, 1986
Method of igniting a combustion chamber with a fluidized bed and a power plant for utilizing the method
ASEA STAL AB29 citations92
US4893466AJan 16, 1990
Method of operating a gas turbine unit
ASEA STAL AB36 citations86
US4530207AJul 23, 1985
Power plant with a fluidized bed combustion chamber
ASEA STAL AB23 citations82
US4655147AApr 7, 1987
Plant for the combustion of particulate fuel in a fluidized bed
ASEA STAL AB22 citations81
US4897908AFeb 6, 1990
Method of attaching tubes in a tube plate in a heat exchanger
ASEA STAL AB24 citations80
US4705433ANov 10, 1987
Pneumatic transportation system with a material feeder
ASEA STAL AB17 citations74
US4669395AJun 2, 1987
PFBC plant with a monitoring device for detecting erosion damage
ASEA STAL AB9 citations74
US4640205AFeb 3, 1987
Method of drying granular fuel in a fluidized bed combustion plant and a combustion plant with a drying device
ASEA STAL AB18 citations74
US4619562AOct 28, 1986
Pneumatic transportation system for powdered or granular material with a switching valve for selection of different transport paths
ASEA STAL AB12 citations74
US4606739AAug 19, 1986
Method of increasing the separating efficiency of a cyclone separator and a cyclone for carrying out the method
ASEA STAL AB13 citations74
US4805405AFeb 21, 1989
Power plant with combustion of a fuel in a fluidized bed
ASEA STAL AB7 citations72
US4650413AMar 17, 1987
Method and apparatus for activating fluids
ASEA STAL AB12 citations72
US4592292AJun 3, 1986
Method and apparatus for activating large particles
ASEA STAL AB9 citations72
US4855103AAug 8, 1989
Method for manufacturing metallic products from powder by hot isostatic pressing using ceramic cores
ASEA STAL AB14 citations71
US4782771ANov 8, 1988
Method of reducing the content of nitrogen oxides in multiple bed composition boilers
ASEA STAL AB10 citations71
US4767315AAug 30, 1988
Method of controlling the depth of a fluidized bed in a power plant and a power plant with means for controlling the bed depth
ASEA STAL AB12 citations71
US4614167ASep 30, 1986
Combustion chamber having beds located one above the other and a method of controlling it
ASEA STAL AB15 citations71
US4589841AMay 20, 1986
Cap for nozzles in an after combustion fluidized bed
ASEA STAL AB15 citations71
US4730563AMar 15, 1988
Power plant with centrifugal separators for returning material from combustion gases to a fluidized bed
ASEA STAL AB14 citations68
US4802796AFeb 7, 1989
Pressure-reducing device for particulate material
ASEA STAL AB5 citations63
US4722182AFeb 2, 1988
Power plant with combustion in a fluidized bed
ASEA STAL AB3 citations63
US4760817AAug 2, 1988
Fluidized bed combustion chamber in a power plant
ASEA STAL AB4 citations61
US4820484AApr 11, 1989
Method in producing a molding of an iron alloy
ASEA STAL AB3 citations60
US4681065AJul 21, 1987
Multibed fluidized bed boiler
ASEA STAL AB5 citations60
US4736692AApr 12, 1988
Method of handling fuel
ASEA STAL AB10 citations59
US4860693AAug 29, 1989
Method in fluidized bed combustion
ASEA STAL AB7 citations58
US4767243AAug 30, 1988
Pneumatic conveying system with directional change of a gas/particulate material stream
ASEA STAL AB8 citations58
US4756257AJul 12, 1988
Power plant with centrifugal type cleaners for combustion gases
ASEA STAL AB4 citations58
US4848276AJul 18, 1989
Fluidized bed power plant with bed material crusher
ASEA STAL AB5 citations54
US4730452AMar 15, 1988
Power plant with a combustion chamber with combustion in a fluidized bed
ASEA STAL AB5 citations46