HS

Heikki Siirilä

OO Outokumpu Oyj: 2 patents #79 of 428Top 20%
OO Outokumpu Technology Oyj: 1 patents #15 of 30Top 50%
📍 Kokkola, FI: #6 of 31 inventorsTop 20%
Overall (All Time): #1,593,128 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7044996 Method for reducing build-up on a roasting furnace grate Pekka Taskinen, Maija-Leena Metsarinta, Juha Jarvi, Jens Nyberg 2006-05-16
6814571 Arrangement and method for reducing build-up on a roasting furnace grate Jens Nyberg, Juha Jarvi 2004-11-09
6641392 Method for regulating a roasting furnace 2003-11-04