Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5038977 | Pair of refractory blocks for a rotary slide valve closure | — | 1991-08-13 |
| 5027987 | Rotary valve closure for a container having a bottom discharge opening | — | 1991-07-02 |
| 4596345 | Arrangement for actuating a slide-gate nozzle | — | 1986-06-24 |
| 4241905 | Head or slide plate for a molten-metal slide gate | Eckehard Eisermann | 1980-12-30 |