YL

Yrjö Leppänen

OO Outokumpu Oyj: 4 patents #33 of 428Top 8%
OO Outotec Oyj: 1 patents #118 of 255Top 50%
📍 Pori, FI: #20 of 192 inventorsTop 15%
Overall (All Time): #1,012,399 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8377513 Method for coating a cooling element Risto Saarinen 2013-02-19
6773658 Casting mould for manufacturing a cooling element and cooling element in said mould Pertti Mäkinen, Matti Salminen 2004-08-10
6742699 Method for manufacturing a cooling element and a cooling element Risto Saarinen 2004-06-01
4911225 Mould for billets 1990-03-27
4431501 Apparatus for electrolytic polishing 1984-02-14