Inventor · disambiguated record
Keijo Raak
Also filed as: RAAK KEIJO
3 granted patents·30 citations·filing 1993–1995
68Inventor score
Top patents by PatentIndex Score
3 records- 0151US5701829AApparatus for recovering heat in a spent liquor recovery boilerAHLSTROEM OY·Filed 1993·Granted Dec 30, 1997·13 cites·19 claims
- 0247US5603803AMethod and apparatus for recovering heat in a spent liquor recovery boilerAHLSTROEM OY·Filed 1993·Granted Feb 18, 1997·15 cites·20 claims
- 0324US5672246AIncreasing the capacity of a recovery boiler by withdrawing some of the exhaust gases from the furnace sectionAHLSTROM MACHINERY OY·Filed 1995·Granted Sep 30, 1997·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →