Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5423900 | Method for blowing oxidizing gases into molten metal | Klaus Klintworth, Rainer Zechner, Rudolf Flesch, Harald Berger, Johannes Steins | 1995-06-13 |
| 4256134 | Regulating valve for dividing a flow into a plurality of individual flows | — | 1981-03-17 |