Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10415828 | Refractory tube wall lining for an incinerator | John Koenders | 2019-09-17 |
| 5020992 | Shaft furnace | Ronald N. Molenaar | 1991-06-04 |
| 4913649 | Repair of the refractory lining of the wall of a shaft furnace and a repaired shaft furnace | — | 1990-04-03 |