Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7658807 | Hot-rolled strip intended for the production of non-grain oriented electrical sheet and a method for the production thereof | Karl Ernst Friedrich, Joergen Schneider, Rudolf Kawalla, Carl-Dieter Wuppermann | 2010-02-09 |
| 6835253 | Method for producing a hot strip | Rudlof Kawalla, Bernhard Engl, Thomas Heller, Eberhard Sowka | 2004-12-28 |
| 5958312 | Process for the partial reconstruction of the refractory lining of the wall of steel casting ladles | Heinz Stripp, Horst Tiemann | 1999-09-28 |