Issued Patents All Time
Showing 1–7 of 7 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, Wolfgang Rasim, Joergen Schneider, Rudolf Kawalla | 2010-02-09 |
| 7501028 | Non-grain oriented magnetic steel strip or magnetic steel sheet and method for its production | Brigitte Hammer, Karl Ernst Friedrich, Olaf Fischer, Jürgen Schneider | 2009-03-10 |
| 6773514 | Method for producing non-grain oriented electric sheet steel | Rudolf Kawalla, Hans Pircher, Karl Ernst Friedrich, Brigitte Hammer, Jürgen Schneider +1 more | 2004-08-10 |
| 6767412 | Method for producing non-grain-oriented magnetic steel sheet | Karl Ernst Friedrich, Brigitte Hammer, Rudolf Kawalla, Olaf Fischer, Jürgen Schneider | 2004-07-27 |
| 6582528 | Method of producing non-grain-oriented electrical sheet | Thomas Böhm, Jürgen Schneider, Karl Telger, Rudolf Kawalla, Karl Ernst Friedrich | 2003-06-24 |
| 6524400 | Process for the production of grain-oriented electric quality sheet with low remagnetization loss and high polarization | Hans Pircher, Rudolf Kawalla, Manfred Espenhahn, Andreas Böttcher, Klaus Gunther +1 more | 2003-02-25 |
| 6503339 | Method for producing non-grain oriented magnetic sheet steel | Hans Pircher, Rudolf Kawalla, Manfred Espenhahn, Brigitte Hammer, Klaus Josef Peters +1 more | 2003-01-07 |