RT

Ragnar Tronstad

EA Elkem As: 1 patents #1 of 11Top 10%
EA Elkem Asa: 1 patents #3 of 4Top 75%
📍 Kristiansand, NO: #3 of 14 inventorsTop 25%
Overall (2011): #72,589 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7931883 Silicon feedstock for solar cells Erik Enebakk, Kenneth Friestad, Cyrus Zahedi, Christian Dethloff 2011-04-26
7918916 Calcium-silicate based slag for treatment of molten steel Erik Enebakk, Gabriella Maria Tranell 2011-04-05