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Pekka Lehtonen
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Kotka, FI
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Patents Grants
last 30 patents
Information
Patent Grant
Heat exchanger for a loopseal of a circulating fluidized bed boiler...
Patent number
11,835,298
Issue date
Dec 5, 2023
VALMET TECHNOLOGIES OY
Pekka Lehtonen
F22 - STEAM GENERATION
Information
Patent Grant
Circulating fluidized bed boiler with a loopseal heat exchanger
Patent number
11,603,989
Issue date
Mar 14, 2023
VALMET TECHNOLOGIES OY
Pekka Lehtonen
F22 - STEAM GENERATION
Information
Patent Grant
Circulating fluidized bed boiler with a loopseal heat exchanger
Patent number
10,890,323
Issue date
Jan 12, 2021
VALMET TECHNOLOGIES OY
Pekka Lehtonen
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method of and an apparatus for recovering heat in a fluidized bed r...
Patent number
7,240,639
Issue date
Jul 10, 2007
Foster Wheeler Energia Oy
Timo Hyppänen
F22 - STEAM GENERATION
Information
Patent Grant
Method and apparatus for treating high pressure particulate material
Patent number
6,994,497
Issue date
Feb 7, 2006
Foster Wheeler Energia Oy
Timo Eriksson
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Grate construction of a fluidized bed boiler
Patent number
6,263,837
Issue date
Jul 24, 2001
Foster Wheeler Energia Oy
Pekka Utunen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Ceramic filtering of gases
Patent number
5,536,285
Issue date
Jul 16, 1996
Foster Wheeler Energia Oy
Juhani Isaksson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for filtering gases
Patent number
5,458,665
Issue date
Oct 17, 1995
A. Ahlstrom Corporation
Gary Martin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
WALL FOR A FLUIDIZED BED BOILER AND A FLUIDIZED BED BOILER
Publication number
20240288158
Publication date
Aug 29, 2024
VALMET TECHNOLOGIES OY
Pekka LEHTONEN
F22 - STEAM GENERATION
Information
Patent Application
GRATE ASSEMBLY
Publication number
20240280258
Publication date
Aug 22, 2024
VALMET TECHNOLOGIES OY
Juha HILJANEN
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
A METHOD FOR HEATING A HEAT EXCHANGE MEDIUM IN A FLUIDIZED BED BOIL...
Publication number
20240003534
Publication date
Jan 4, 2024
VALMET TECHNOLOGIES OY
Juha HILJANEN
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
HEAT EXCHANGER FOR A LOOPSEAL OF A CIRCULATING FLUIDIZED BED BOILER...
Publication number
20220325961
Publication date
Oct 13, 2022
VALMET TECHNOLOGIES OY
Pekka Lehtonen
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
A CIRCULATING FLUIDIZED BED BOILER WITH A LOOPSEAL HEAT EXCHANGER
Publication number
20210372610
Publication date
Dec 2, 2021
Pekka LEHTONEN
F22 - STEAM GENERATION
Information
Patent Application
A CIRCULATING FLUIDIZED BED BOILER WITH A LOOPSEAL HEAT EXCHANGER
Publication number
20190249866
Publication date
Aug 15, 2019
VALMET TECHNOLOGIES OY
Pekka Lehtonen
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Method of and Arrangement for Feeding Fuel Into a Circulating Fluid...
Publication number
20120237883
Publication date
Sep 20, 2012
Foster Wheeler Energia Oy
Marcin Klajny
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Grid nozzle of a fluidized bed reactor
Publication number
20080056963
Publication date
Mar 6, 2008
Foster Wheeler Energia Oy
Pekka Lehtonen
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Partition wall structure of a furnace
Publication number
20070266915
Publication date
Nov 22, 2007
Metso Power Oy
Markku Roppo
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Method of and an apparatus for recovering heat in a fluidized bed r...
Publication number
20070022924
Publication date
Feb 1, 2007
Foster Wheeler Energia Oy
Timo Hyppanen
F22 - STEAM GENERATION