KR

Keijo Raak

AM Ahlstrom Machinery: 2 patents #16 of 64Top 25%
AO Ahlstrom Machinery Oy: 1 patents #8 of 54Top 15%
📍 Varkaus, FI: #18 of 70 inventorsTop 30%
Overall (All Time): #1,642,509 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5701829 Apparatus for recovering heat in a spent liquor recovery boiler 1997-12-30
5672246 Increasing the capacity of a recovery boiler by withdrawing some of the exhaust gases from the furnace section 1997-09-30
5603803 Method and apparatus for recovering heat in a spent liquor recovery boiler 1997-02-18