Assignee
ABB STAL AB
SE·42 granted patents·392 citations·filing 1988–1998
Top patents by PatentIndex Score
42 records- 0176US5564897AAxial turbo-machine assembly with multiple guide vane ring sectors and a method of mounting thereofABB STAL AB·Filed 1993·Granted Oct 15, 1996·34 cites·13 claims
- 0274US4913068AMethod for improving utilization of sulphur-absorbent containing calcium in a power plant and equipment for performing the methodABB STAL AB·Filed 1988·Granted Apr 3, 1990·26 cites·16 claims
- 0361US4896497APFBC power plantABB STAL AB·Filed 1988·Granted Jan 30, 1990·21 cites·10 claims
- 0460US5971018AValve device for influencing an overpressurized flow of mediaABB STAL AB·Filed 1996·Granted Oct 26, 1999·23 cites·14 claims
- 0553US5069866AMethod for manufacturing a compound pipeABB STAL AB·Filed 1990·Granted Dec 3, 1991·15 cites·6 claims
- 0648US4860536APower plant with drying means for fuelABB STAL AB·Filed 1988·Granted Aug 29, 1989·11 cites·5 claims
- 0747US4854854AFluidized bed fuel-fired power plantABB STAL AB·Filed 1988·Granted Aug 8, 1989·14 cites·9 claims
- 0845US5193337AMethod for operating gas turbine unit for combined production of electricity and heatABB STAL AB·Filed 1992·Granted Mar 16, 1993·19 cites·3 claims
- 0944US5347936AMethod and a device for preheating a fluidized bedABB STAL AB·Filed 1990·Granted Sep 20, 1994·18 cites·10 claims
- 1044US5176089APower plant with combustion of a fuel in a fluidized bedABB STAL AB·Filed 1990·Granted Jan 5, 1993·11 cites·7 claims
- 1143US5297622AMethod for cooling of dust separated from the flue gases from a PFBC plantABB STAL AB·Filed 1991·Granted Mar 29, 1994·6 cites·1 claims
- 1242US4872423AMethod 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 bedABB STAL AB·Filed 1988·Granted Oct 10, 1989·10 cites·4 claims
- 1342US4852345AMethod of cooling bed material from a fluidized bed and a power plant with cooling means for bed materialABB STAL AB·Filed 1988·Granted Aug 1, 1989·9 cites·5 claims
- 1439US5082623AMethod of manufacturing a split circular ringABB STAL AB·Filed 1990·Granted Jan 21, 1992·8 cites·6 claims
- 1538US5016435AMethod of controlling a PFBC plant in the event of operational disturbance in the gas turbine unitABB STAL AB·Filed 1990·Granted May 21, 1991·7 cites·5 claims
- 1638US4796568APower plant burning fuel in a fluidized bedABB STAL AB·Filed 1988·Granted Jan 10, 1989·8 cites·10 claims
- 1735US5163384APower plant with a combustor for combustion in a fluidized bedABB STAL AB·Filed 1990·Granted Nov 17, 1992·8 cites·6 claims
- 1835US4929287AMethod for surface treatment of metal alloysABB STAL AB·Filed 1988·Granted May 29, 1990·12 cites·11 claims
- 1935US4909163AMethod and a device for cooling ashes in a PFBC power plantABB STAL AB·Filed 1988·Granted Mar 20, 1990·6 cites·6 claims
- 2034US6231304B1Outlet device for a flow machineABB STAL AB·Filed 1998·Granted May 15, 2001·9 cites·14 claims
- 2134US4936716ATransport device for pneumatically transporting particulate material from a container under high pressure to a container under low pressureABB STAL AB·Filed 1989·Granted Jun 26, 1990·4 cites·6 claims
- 2234US4909028APressure relief deviceABB STAL AB·Filed 1989·Granted Mar 20, 1990·9 cites·5 claims
- 2333US5234661AMethod for manufacturing rings or discs having a blade or vane rimABB STAL AB·Filed 1991·Granted Aug 10, 1993·4 cites·2 claims
- 2433US4944148AMethod and a device for cooling of a PFBC power plant after a gas turbine tripABB STAL AB·Filed 1988·Granted Jul 31, 1990·5 cites·3 claims
- 2532US5544596AMethod of supplying coal and sulphur absorbent to a combustor and a power plant in which the method is appliedABB STAL AB·Filed 1994·Granted Aug 13, 1996·3 cites·14 claims
- 2632US5146856APower plan with a screw conveyor ash coolerABB STAL AB·Filed 1991·Granted Sep 15, 1992·8 cites·10 claims
- 2731US5315816AMethod and device for temperature control in a combustion plantABB STAL AB·Filed 1991·Granted May 31, 1994·7 cites·14 claims
- 2831US5176475ATransfer chambers for the conveyor in a pneumatic transport systemABB STAL AB·Filed 1990·Granted Jan 5, 1993·2 cites·4 claims
- 2931US4934407AManifold for gas from parallel-working gas cleaning unitsABB STAL AB·Filed 1989·Granted Jun 19, 1990·2 cites·7 claims
- 3031US4860535APower plant for burning a fuel at high pressure and a gas turbine driven by the combustion gasesABB STAL AB·Filed 1988·Granted Aug 29, 1989·6 cites·6 claims
- 3131US4838209AEnergy plant with heat exchanger in a blow-off device for hot gasesABB STAL AB·Filed 1988·Granted Jun 13, 1989·4 cites·8 claims
- 3230US5241863ABuffer volumeABB STAL AB·Filed 1990·Granted Sep 7, 1993·6 cites·9 claims
- 3330US4944150APFBC power plantABB STAL AB·Filed 1989·Granted Jul 31, 1990·8 cites·4 claims
- 3428US5000911AMethod in manufacturing blades or vanes of turbinesABB STAL AB·Filed 1990·Granted Mar 19, 1991·3 cites·5 claims
- 3528US4965996APower plant for burning a fuel in a fluidized bedABB STAL AB·Filed 1988·Granted Oct 30, 1990·8 cites·5 claims
- 3628US4863342AGas turbine with link attachment of a sealing ring in a guide vane ringABB STAL AB·Filed 1988·Granted Sep 5, 1989·6 cites·4 claims
- 3727US5244285AHydrostatically mounted squeeze film damperABB STAL AB·Filed 1990·Granted Sep 14, 1993·14 cites·5 claims
- 3826US6162013ASteam turbineABB STAL AB·Filed 1997·Granted Dec 19, 2000·7 cites·15 claims
- 3925US5464318AControl system for extraction and injection of steam from and into a turbineABB STAL AB·Filed 1992·Granted Nov 7, 1995·6 cites·8 claims
- 4025US5335630AMethod and device for controlling the power output during combustion in a fluidized bedABB STAL AB·Filed 1991·Granted Aug 9, 1994·2 cites·4 claims
- 4121US6192930B1Valve deviceABB STAL AB·Filed 1998·Granted Feb 27, 2001·0 cites·21 claims
- 4216US4852346APower plant with cyclone cleaners having cooled cyclone legsABB STAL AB·Filed 1988·Granted Aug 1, 1989·3 cites·16 claims
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