Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043403 | Device for submerging material into liquid metal by an electromagnetic stirrer | Bengt Rydholm, Erik Svensson, Alf Lundström, Helmut Hackl, Jan-Erik Eriksson +2 more | 2011-10-25 |
| 7975753 | Method and apparatus for controlling the flow of molten steel in a mould | Anders Lehman, Helmut Hackl, Jan-Erik Eriksson | 2011-07-12 |