Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992001 | Method and apparatus for connecting billets | Wolfgang Roloff, Hans-Georg Hartung, Friedrich Hollmann | 1999-11-30 |
| 5966977 | Method of rolling steel sections | Georg Engel | 1999-10-19 |
| 5904061 | Method of rolling finished sections from a preliminary section | Georg Engel, Hans-Jurgen Nowak, Ulrich Svejkovsky | 1999-05-18 |
| 5902422 | Ferritic coiling of wire or bar steel | Meinert Meyer, Hans-Georg Hartung, Wolfgang Roloff | 1999-05-11 |
| 5682785 | Rolling mill and method for precision rolling wire or rolling stock having a round cross-section | Hubert Muller, Karl Keller | 1997-11-04 |
| 5421183 | Light-section wire mill | Karl Keller, Otto Reichrath | 1995-06-06 |
| 5406822 | Light-section wire mill | Karl Keller, Otto Reichrath | 1995-04-18 |
| D348232 | Street lamp ornament | — | 1994-06-28 |
| 5085065 | Universal roll stand and method of operating same | Bernd Onderka, Georg Engel, Hugo Feldmann | 1992-02-04 |