PH

Pertti Heikkila

VA Valmet Aktiebolag: 2 patents #9 of 93Top 10%
📍 Tampere, FI: #1 of 49 inventorsTop 3%
Overall (1997): #27,695 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5666740 Hood for a wire part and for a press section Antti Leinonen, Henrik Pettersson, Risto Salminen, Hannu Niemikko, Juha Kivimaa +2 more 1997-09-16
5653041 Drying method and drying module as well as dryer sections that make use of same, in particular for a high-speed paper machine Antti Ilmarinen, Antti Kuhasalo, Heikki Ilvespaa, Jouko Yli-Kauppila, Ilkka Jokioinen +6 more 1997-08-05