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ABB STAL AB
SE42 patents
Top patents by PatentIndex Score
US4913068AApr 3, 1990
Method for improving utilization of sulphur-absorbent containing calcium in a power plant and equipment for performing the method
ABB STAL AB26 citations92
US5971018AOct 26, 1999
Valve device for influencing an overpressurized flow of media
ABB STAL AB23 citations90
US5564897AOct 15, 1996
Axial turbo-machine assembly with multiple guide vane ring sectors and a method of mounting thereof
ABB STAL AB34 citations87
US4896497AJan 30, 1990
PFBC power plant
ABB STAL AB21 citations76
US5016435AMay 21, 1991
Method of controlling a PFBC plant in the event of operational disturbance in the gas turbine unit
ABB STAL AB7 citations74
US4860536AAug 29, 1989
Power plant with drying means for fuel
ABB STAL AB11 citations74
US6231304B1May 15, 2001
Outlet device for a flow machine
ABB STAL AB9 citations73
US5176089AJan 5, 1993
Power plant with combustion of a fuel in a fluidized bed
ABB STAL AB11 citations72
US5082623AJan 21, 1992
Method of manufacturing a split circular ring
ABB STAL AB8 citations72
US5069866ADec 3, 1991
Method for manufacturing a compound pipe
ABB STAL AB15 citations72
US4854854AAug 8, 1989
Fluidized bed fuel-fired power plant
ABB STAL AB14 citations72
US5193337AMar 16, 1993
Method for operating gas turbine unit for combined production of electricity and heat
ABB STAL AB19 citations71
US4852345AAug 1, 1989
Method of cooling bed material from a fluidized bed and a power plant with cooling means for bed material
ABB STAL AB9 citations71
US5163384ANov 17, 1992
Power plant with a combustor for combustion in a fluidized bed
ABB STAL AB8 citations69
US4872423AOct 10, 1989
Method for improving utilization of sulphur-absorbent when burning fuel in a fluidized bed and a power plant in which fuel is burned in a fluidized bed
ABB STAL AB10 citations68
US4796568AJan 10, 1989
Power plant burning fuel in a fluidized bed
ABB STAL AB8 citations68
US5315816AMay 31, 1994
Method and device for temperature control in a combustion plant
ABB STAL AB7 citations67
US6162013ADec 19, 2000
Steam turbine
ABB STAL AB7 citations66
US5146856ASep 15, 1992
Power plan with a screw conveyor ash cooler
ABB STAL AB8 citations65
US4944150AJul 31, 1990
PFBC power plant
ABB STAL AB8 citations64
US5544596AAug 13, 1996
Method of supplying coal and sulphur absorbent to a combustor and a power plant in which the method is applied
ABB STAL AB3 citations63
US5176475AJan 5, 1993
Transfer chambers for the conveyor in a pneumatic transport system
ABB STAL AB2 citations63
US4909028AMar 20, 1990
Pressure relief device
ABB STAL AB9 citations63
US5244285ASep 14, 1993
Hydrostatically mounted squeeze film damper
ABB STAL AB14 citations62
US4934407AJun 19, 1990
Manifold for gas from parallel-working gas cleaning units
ABB STAL AB2 citations62
US5234661AAug 10, 1993
Method for manufacturing rings or discs having a blade or vane rim
ABB STAL AB4 citations61
US5000911AMar 19, 1991
Method in manufacturing blades or vanes of turbines
ABB STAL AB3 citations61
US5347936ASep 20, 1994
Method and a device for preheating a fluidized bed
ABB STAL AB18 citations60
US5297622AMar 29, 1994
Method for cooling of dust separated from the flue gases from a PFBC plant
ABB STAL AB6 citations59
US4944148AJul 31, 1990
Method and a device for cooling of a PFBC power plant after a gas turbine trip
ABB STAL AB5 citations59
US4929287AMay 29, 1990
Method for surface treatment of metal alloys
ABB STAL AB12 citations59
US4909163AMar 20, 1990
Method and a device for cooling ashes in a PFBC power plant
ABB STAL AB6 citations59
US4838209AJun 13, 1989
Energy plant with heat exchanger in a blow-off device for hot gases
ABB STAL AB4 citations59
US4965996AOct 30, 1990
Power plant for burning a fuel in a fluidized bed
ABB STAL AB8 citations58
US5335630AAug 9, 1994
Method and device for controlling the power output during combustion in a fluidized bed
ABB STAL AB2 citations56
US5241863ASep 7, 1993
Buffer volume
ABB STAL AB6 citations56
US4863342ASep 5, 1989
Gas turbine with link attachment of a sealing ring in a guide vane ring
ABB STAL AB6 citations54
US4860535AAug 29, 1989
Power plant for burning a fuel at high pressure and a gas turbine driven by the combustion gases
ABB STAL AB6 citations54
US5464318ANov 7, 1995
Control system for extraction and injection of steam from and into a turbine
ABB STAL AB6 citations46
US4936716AJun 26, 1990
Transport device for pneumatically transporting particulate material from a container under high pressure to a container under low pressure
ABB STAL AB4 citations45
US4852346AAug 1, 1989
Power plant with cyclone cleaners having cooled cyclone legs
ABB STAL AB3 citations45
US6192930B1Feb 27, 2001
Valve device
ABB STAL AB0 citations43