Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867787 | Mill arrangement with temporary storage vessel and a process of operating the same | Othmar Puhringer, Felix Wallner, Horst Wiesinger, Ernst Eichberger, Wilhelm Schiffer | 1989-09-19 |
| 4804408 | A mill arrangement and a process of operating the same using off gases to refine pig iron | Othmar Puhringer, Felix Wallner, Horst Wiesinger, Ernst Eichberger, Wilhelm Schiffer | 1989-02-14 |
| 4780137 | A process for producing a mixed gas | Werner Kepplinger | 1988-10-25 |
| 4690387 | Metallurgical plant for producing a mixed gas | Werner Kepplinger | 1987-09-01 |
| 4591134 | Arrangement for cleaning a lance head of a lance introducible into a metallurgical vessel | Hellmuth Smejkal, Johann Fohler | 1986-05-27 |