HV

Henry Virta

VO Valmet Oy: 2 patents #49 of 176Top 30%
Overall (All Time): #1,767,546 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12017877 Method and a device for joining ends of fiber webs in a parent roll change of an unwinder Jaakko Haapanen, Kenneth Åkerlund 2024-06-25
9169095 Method and device for winding of fiber webs, especially of paper and board webs Jaakko Haapanen, Heikki Föhr 2015-10-27