LS

Liisa Simonen

AN Andritz: 2 patents #24 of 159Top 20%
AA A. Ahlstrom: 1 patents #75 of 166Top 50%
Overall (All Time): #1,587,008 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7207280 Combustion air system for recovery boilers, burning spent liquors from pulping processes Kari Saviharju, Jorma Simonen, Esa Vakkilainen, Esko Mattelmaki 2007-04-24
6742463 Combustion air system for recovery boilers, burning spent liquors from pulping processes Kari Saviharju, Jorma Simonen, Esa Vakkilainen, Esko Mattelmaki 2004-06-01
5022331 Method and apparatus for introducing combustion air into a furnace 1991-06-11