Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422435 | Slide gate for a container containing molten metal | — | 2002-07-23 |
| 6415967 | Closure plate and a slide gate on the outlet of container containing molten metal | — | 2002-07-09 |
| 5836485 | Sliding gate valve assembly for a vessel containing molten metal | Werner Plattner | 1998-11-17 |
| 5698129 | Sliding gate valve for a metallurgical vessel | Werner Keller, Hans Muller, Werner Plattner, Anton Pfyl | 1997-12-16 |
| 5429342 | Slide gate nozzle including sequentially replaceable refractory sliding plates and refractory plate assembly employable therein | Anton Pfyl, Werner Keller, Werner Plattner | 1995-07-04 |
| 5251794 | Refractory assembly with metal sheath to prevent molten metal breakthrough | — | 1993-10-12 |