Inventor · disambiguated record
Pekka Lehtonen
Also filed as: LEHTONEN PEKKA
11 granted patents·7 pending applications·176 citations·filing 1993–2024
90Inventor score
Files withVALMET TECHNOLOGIES OY7FOSTER WHEELER ENERGIA OY5METSO MINERALS INC2AHLSTROEM OY1KLAJNY MARCIN1
Top patents by PatentIndex Score
18 records- 0191US6994497B1Method and apparatus for treating high pressure particulate materialFOSTER WHEELER ENERGIA OY·Filed 2000·Granted Feb 7, 2006·53 cites·28 claims
- 0288US7240639B2Method of and an apparatus for recovering heat in a fluidized bed reactorFOSTER WHEELER ENERGIA OY·Filed 2004·Granted Jul 10, 2007·50 cites·23 claims
- 0387US10890323B2Circulating fluidized bed boiler with a loopseal heat exchangerVALMET TECHNOLOGIES OY·Filed 2016·Granted Jan 12, 2021·3 cites·17 claims
- 0479US7568858B2Feeder hopper, a method for locking the walls of a feeder hopper and a locking meansMETSO MINERALS INC·Filed 2005·Granted Aug 4, 2009·8 cites·15 claims
- 0576US6263837B1Grate construction of a fluidized bed boilerFOSTER WHEELER ENERGIA OY·Filed 2000·Granted Jul 24, 2001·28 cites·27 claims
- 0668US11603989B2Circulating fluidized bed boiler with a loopseal heat exchangerVALMET TECHNOLOGIES OY·Filed 2018·Granted Mar 14, 2023·1 cites·18 claims
- 0765US11835298B2Heat exchanger for a loopseal of a circulating fluidized bed boiler and a circulating fluidized bed boilerVALMET TECHNOLOGIES OY·Filed 2022·Granted Dec 5, 2023·0 cites·18 claims
- 0865US8182172B2Feeder hopper, a method for locking the walls of a feeder hopper and a locking meansVIITASALO MARKKU·Filed 2010·Granted May 22, 2012·2 cites·26 claims
- 0960US5536285ACeramic filtering of gasesFOSTER WHEELER ENERGIA OY·Filed 1994·Granted Jul 16, 1996·24 cites·11 claims
- 1054US2024288158A1Wall for a fluidized bed boiler and a fluidized bed boilerVALMET TECHNOLOGIES OY·Filed 2024·Application pending·0 cites
- 1153US12510241B2Method for heating a heat exchange medium in a fluidized bed boiler, a fluidized bed boiler, and a loopseal heat exchangerVALMET TECHNOLOGIES OY·Filed 2021·Granted Dec 30, 2025·0 cites·14 claims
- 1253US2024426476A1Cyclone for a thermal systemVALMET TECHNOLOGIES OY·Filed 2024·Application pending·0 cites
- 1347US2009263194A1Feeder hopper, a method for locking the walls of a feeder hopper and a locking meansMETSO MINERALS INC·Filed 2009·Application pending·0 cites
- 1444US2024280258A1Grate assemblyVALMET TECHNOLOGIES OY·Filed 2022·Application pending·0 cites
- 1541US2008056963A1Grid nozzle of a fluidized bed reactorFOSTER WHEELER ENERGIA OY·Filed 2005·Application pending·0 cites
- 1638US2007266915A1Partition wall structure of a furnaceMETSO POWER OY·Filed 2007·Application pending·0 cites
- 1734US5458665AApparatus for filtering gasesAHLSTROEM OY·Filed 1993·Granted Oct 17, 1995·7 cites·18 claims
- 1833US2012237883A1Method of and Arrangement for Feeding Fuel Into a Circulating Fluidized Bed BoilerKLAJNY MARCIN·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →