Assignee
ASEA STAL AB
SE·30 granted patents·370 citations·filing 1984–1989
Top patents by PatentIndex Score
30 records- 0175US4584949AMethod of igniting a combustion chamber with a fluidized bed and a power plant for utilizing the methodASEA STAL AB·Filed 1985·Granted Apr 29, 1986·29 cites·12 claims
- 0274US4893466AMethod of operating a gas turbine unitASEA STAL AB·Filed 1989·Granted Jan 16, 1990·36 cites·1 claims
- 0373US4530207APower plant with a fluidized bed combustion chamberASEA STAL AB·Filed 1984·Granted Jul 23, 1985·23 cites·19 claims
- 0466US4655147APlant for the combustion of particulate fuel in a fluidized bedASEA STAL AB·Filed 1986·Granted Apr 7, 1987·22 cites·20 claims
- 0560US4640205AMethod of drying granular fuel in a fluidized bed combustion plant and a combustion plant with a drying deviceASEA STAL AB·Filed 1985·Granted Feb 3, 1987·18 cites·16 claims
- 0659US4705433APneumatic transportation system with a material feederASEA STAL AB·Filed 1986·Granted Nov 10, 1987·17 cites·14 claims
- 0757US4897908AMethod of attaching tubes in a tube plate in a heat exchangerASEA STAL AB·Filed 1985·Granted Feb 6, 1990·24 cites·11 claims
- 0856US4606739AMethod of increasing the separating efficiency of a cyclone separator and a cyclone for carrying out the methodASEA STAL AB·Filed 1984·Granted Aug 19, 1986·13 cites·20 claims
- 0955US4589841ACap for nozzles in an after combustion fluidized bedASEA STAL AB·Filed 1985·Granted May 20, 1986·15 cites·3 claims
- 1054US4855103AMethod for manufacturing metallic products from powder by hot isostatic pressing using ceramic coresASEA STAL AB·Filed 1987·Granted Aug 8, 1989·14 cites·1 claims
- 1154US4619562APneumatic transportation system for powdered or granular material with a switching valve for selection of different transport pathsASEA STAL AB·Filed 1984·Granted Oct 28, 1986·12 cites·16 claims
- 1254US4614167ACombustion chamber having beds located one above the other and a method of controlling itASEA STAL AB·Filed 1985·Granted Sep 30, 1986·15 cites·10 claims
- 1353US4650413AMethod and apparatus for activating fluidsASEA STAL AB·Filed 1984·Granted Mar 17, 1987·12 cites·6 claims
- 1450US4592292AMethod and apparatus for activating large particlesASEA STAL AB·Filed 1984·Granted Jun 3, 1986·9 cites·16 claims
- 1549US4767315AMethod of controlling the depth of a fluidized bed in a power plant and a power plant with means for controlling the bed depthASEA STAL AB·Filed 1986·Granted Aug 30, 1988·12 cites·14 claims
- 1648US4730563APower plant with centrifugal separators for returning material from combustion gases to a fluidized bedASEA STAL AB·Filed 1987·Granted Mar 15, 1988·14 cites·10 claims
- 1745US4669395APFBC plant with a monitoring device for detecting erosion damageASEA STAL AB·Filed 1986·Granted Jun 2, 1987·9 cites·8 claims
- 1844US4782771AMethod of reducing the content of nitrogen oxides in multiple bed composition boilersASEA STAL AB·Filed 1987·Granted Nov 8, 1988·10 cites·5 claims
- 1939US4805405APower plant with combustion of a fuel in a fluidized bedASEA STAL AB·Filed 1987·Granted Feb 21, 1989·7 cites·6 claims
- 2037US4802796APressure-reducing device for particulate materialASEA STAL AB·Filed 1987·Granted Feb 7, 1989·5 cites·12 claims
- 2133US4820484AMethod in producing a molding of an iron alloyASEA STAL AB·Filed 1986·Granted Apr 11, 1989·3 cites·6 claims
- 2233US4760817AFluidized bed combustion chamber in a power plantASEA STAL AB·Filed 1987·Granted Aug 2, 1988·4 cites·10 claims
- 2333US4736692AMethod of handling fuelASEA STAL AB·Filed 1986·Granted Apr 12, 1988·10 cites·8 claims
- 2433US4722182APower plant with combustion in a fluidized bedASEA STAL AB·Filed 1986·Granted Feb 2, 1988·3 cites·5 claims
- 2533US4681065AMultibed fluidized bed boilerASEA STAL AB·Filed 1986·Granted Jul 21, 1987·5 cites·18 claims
- 2631US4756257APower plant with centrifugal type cleaners for combustion gasesASEA STAL AB·Filed 1987·Granted Jul 12, 1988·4 cites·6 claims
- 2727US4848276AFluidized bed power plant with bed material crusherASEA STAL AB·Filed 1988·Granted Jul 18, 1989·5 cites·12 claims
- 2825US4860693AMethod in fluidized bed combustionASEA STAL AB·Filed 1987·Granted Aug 29, 1989·7 cites·9 claims
- 2923US4767243APneumatic conveying system with directional change of a gas/particulate material streamASEA STAL AB·Filed 1986·Granted Aug 30, 1988·8 cites·8 claims
- 3020US4730452APower plant with a combustion chamber with combustion in a fluidized bedASEA STAL AB·Filed 1986·Granted Mar 15, 1988·5 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →