Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802249 | Ceramic refractory stopper | Gerald Nitzl, Arno Stranimaier, Helmut Kaufmann | 2017-10-31 |
| 9757799 | Submerged entry nozzle | Gerald Nitzl | 2017-09-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802249 | Ceramic refractory stopper | Gerald Nitzl, Arno Stranimaier, Helmut Kaufmann | 2017-10-31 |
| 9757799 | Submerged entry nozzle | Gerald Nitzl | 2017-09-12 |