Assignee
AHLSTROEM OY
FI·325 granted patents·10 pending applications·6,058 citations·filing 1971–2016
Top patents by PatentIndex Score
335 records- 0198US4594052ACentrifugal pump for liquids containing solid materialAHLSTROEM OY·Filed 1983·Granted Jun 10, 1986·144 cites·2 claims
- 0295US4311670AFluidized bed reactor systemAHLSTROEM OY·Filed 1980·Granted Jan 19, 1982·91 cites·2 claims
- 0394US5110332AFilter for filtration of particles from a hot gas flowAHLSTROEM OY·Filed 1991·Granted May 5, 1992·103 cites·20 claims
- 0494US4529520AScreen plateAHLSTROEM OY·Filed 1983·Granted Jul 16, 1985·63 cites·3 claims
- 0593US4981413APump for and method of separating gas from a fluid to be pumpedAHLSTROEM OY·Filed 1989·Granted Jan 1, 1991·86 cites·22 claims
- 0692US4921400APump and a method of separating gas by such from a fluid to be pumpedAHLSTROEM OY·Filed 1988·Granted May 1, 1990·73 cites·43 claims
- 0792US4841884ADistributor plate for fluidized bed reactorAHLSTROEM OY·Filed 1988·Granted Jun 27, 1989·69 cites·22 claims
- 0891US6010594AMethod of bleaching pulp with chlorine-free chemicals wherein a complexing agent is added immediately after an ozone bleach stageAHLSTROEM OY·Filed 1997·Granted Jan 4, 2000·46 cites·37 claims
- 0991US4969930AProcess for gasifying or combusting solid carbonaceous materialAHLSTROEM OY·Filed 1990·Granted Nov 13, 1990·89 cites·8 claims
- 1090US7914637B2Method for manufacturing a particularly soft and three-dimensional nonwoven and nonwoven thus obtainedAHLSTROEM OY·Filed 2005·Granted Mar 29, 2011·15 cites·40 claims
- 1190US4971658AMethod of intensifying the washing of a fiber suspensionAHLSTROEM OY·Filed 1989·Granted Nov 20, 1990·44 cites·8 claims
- 1290US4869207ACirculating fluidized bed reactorAHLSTROEM OY·Filed 1988·Granted Sep 26, 1989·58 cites·40 claims
- 1390US4676177AMethod of generating energy from low-grade alkaline fuelsAHLSTROEM OY·Filed 1985·Granted Jun 30, 1987·50 cites·19 claims
- 1489US5000842AMethod and apparatus for treating fiber suspensionAHLSTROEM OY·Filed 1990·Granted Mar 19, 1991·51 cites·8 claims
- 1589US4239072AMethod and apparatus for edge-trimming a boardAHLSTROEM OY·Filed 1978·Granted Dec 16, 1980·46 cites·6 claims
- 1688US10022907B2Unidirectional reinforcement, a method of producing a unidirectional reinforcement and the use thereofAHLSTROEM OY·Filed 2014·Granted Jul 17, 2018·11 cites·14 claims
- 1788US5791778AMethod and apparatus for mixing gaseous chemical to fiber suspensionAHLSTROEM OY·Filed 1996·Granted Aug 11, 1998·44 cites·40 claims
- 1888US4976776AMethod for reduction of material containing metal oxide using a fluidized bed reactor and flame chamberAHLSTROEM OY·Filed 1989·Granted Dec 11, 1990·36 cites·19 claims
- 1988US4273562AMethod and apparatus for pumping gaseous liquids and separating the gaseous components therefromAHLSTROEM OY·Filed 1979·Granted Jun 16, 1981·46 cites·4 claims
- 2087US10035301B2Unidirectional reinforcement, a method of producing a reinforcement and the use thereofAHLSTROEM OY·Filed 2016·Granted Jul 31, 2018·7 cites·20 claims
- 2187US5462585AMethod and apparatus for separating gas from a gaseous materialAHLSTROEM OY·Filed 1992·Granted Oct 31, 1995·38 cites·12 claims
- 2287US4771712ACombustion of fuel containing alkalinesAHLSTROEM OY·Filed 1987·Granted Sep 20, 1988·38 cites·22 claims
- 2386US5093085AFluidized bed reactor method and apparatusAHLSTROEM OY·Filed 1988·Granted Mar 3, 1992·58 cites·19 claims
- 2486US4330502AFluidized bed reactorAHLSTROEM OY·Filed 1980·Granted May 18, 1982·42 cites·2 claims
- 2586US4244779AMethod of treating spent pulping liquor in a fluidized bed reactorAHLSTROEM OY·Filed 1978·Granted Jan 13, 1981·38 cites·8 claims
- 2685US9505193B2Stitched unidirectional or multi-axial reinforcement and a method of producing the sameAHLSTROEM OY·Filed 2013·Granted Nov 29, 2016·7 cites·26 claims
- 2785US7914723B2Nonwoven bonding patterns producing fabrics with improved abrasion resistance and softnessAHLSTROEM OY·Filed 2007·Granted Mar 29, 2011·25 cites·11 claims
- 2885US4410337AMethod and an apparatus for separating a gas from a fibre suspensionAHLSTROEM OY·Filed 1980·Granted Oct 18, 1983·55 cites·8 claims
- 2984US5281398ACentrifugal separatorAHLSTROEM OY·Filed 1992·Granted Jan 25, 1994·52 cites·24 claims
- 3084US5246541AEvaporator for liquid solutionsAHLSTROEM OY·Filed 1991·Granted Sep 21, 1993·60 cites·5 claims
- 3184US4799937AMethod and apparatus for gasifying carbonaceous materialAHLSTROEM OY·Filed 1987·Granted Jan 24, 1989·34 cites·13 claims
- 3284US4112587AMethod and means for drying a fibre material containing celluloseAHLSTROEM OY·Filed 1977·Granted Sep 12, 1978·30 cites·5 claims
- 3383US5341766AMethod and apparatus for operating a circulating fluidized bed systemAHLSTROEM OY·Filed 1992·Granted Aug 30, 1994·42 cites·32 claims
- 3483US4929255AMethod for gasifying or combusting solid carbonaceous materialAHLSTROEM OY·Filed 1988·Granted May 29, 1990·30 cites·22 claims
- 3583US4672918ACirculating fluidized bed reactor temperature controlAHLSTROEM OY·Filed 1985·Granted Jun 16, 1987·44 cites·15 claims
- 3683US4240315ACircular saw bladeAHLSTROEM OY·Filed 1979·Granted Dec 23, 1980·32 cites·2 claims
- 3782US5318755AMethod and apparatus for cleaning flue gasesAHLSTROEM OY·Filed 1992·Granted Jun 7, 1994·53 cites·29 claims
- 3882US5154732AApparatus for gasifying or combusting solid carbonaceousAHLSTROEM OY·Filed 1990·Granted Oct 13, 1992·35 cites·17 claims
- 3982US4940007AFast fluidized bed reactorAHLSTROEM OY·Filed 1988·Granted Jul 10, 1990·43 cites·25 claims
- 4081US4952314AApparatus for treating pulpAHLSTROEM OY·Filed 1988·Granted Aug 28, 1990·22 cites·12 claims
- 4181US4836915AHigh flow capacity barrier type screening apparatusAHLSTROEM OY·Filed 1987·Granted Jun 6, 1989·16 cites·19 claims
- 4281US4616576ACombustion methodAHLSTROEM OY·Filed 1985·Granted Oct 14, 1986·39 cites·12 claims
- 4380US5406914AMethod and apparatus for operating a circulating fluidized bed reactor systemAHLSTROEM OY·Filed 1993·Granted Apr 18, 1995·41 cites·29 claims
- 4480US4986900ASectional screen cylinderAHLSTROEM OY·Filed 1989·Granted Jan 22, 1991·73 cites·38 claims
- 4580US4095755ARider roll assembly in a winderAHLSTROEM OY·Filed 1977·Granted Jun 20, 1978·27 cites·6 claims
- 4679US9290877B2Method of making glazed nonwoven fabricAHLSTROEM OY·Filed 2013·Granted Mar 22, 2016·6 cites·22 claims
- 4779US5192438ARotating element for screening apparatus with a contour surface produced by a plurality of protrusions in the direction of the axial length of the rotorAHLSTROEM OY·Filed 1990·Granted Mar 9, 1993·27 cites·29 claims
- 4879US4877368AFluidizing centrifugal pumpAHLSTROEM OY·Filed 1988·Granted Oct 31, 1989·38 cites·18 claims
- 4979US4338147AMethod and apparatus for winding a web upon a core having a stripe of hot-melt adhesiveAHLSTROEM OY·Filed 1980·Granted Jul 6, 1982·45 cites·2 claims
- 5079US4021296AMethod and device for manufacturing a continuous material web of elongated fibrous particlesAHLSTROEM OY·Filed 1974·Granted May 3, 1977·22 cites·21 claims
Showing the top 50 of 335 patent records by PatentIndex Score.
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