Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358223 | Hot-blast main for hot-blast stove system of a blast furnace | Nicolaas G. J. Bleijendaal, Ronald J. M. Stokman | 1994-10-25 |
| 4881895 | Ceramic gas burner for a combustion chamber of a hot-blast stove | Ronald J. M. Stokman | 1989-11-21 |
| 4863378 | Ceramic burner for a hot-blast stove | Ronald J. M. Stokman | 1989-09-05 |
| 4749446 | Horizontal coke-oven battery | Jacobus Van Laar, Antonius J. Horio | 1988-06-07 |
| 4619441 | Shaft furnace having a metal shell, a refractory lining and cooling bodies projecting through the shell into the lining | Jacobus Van Laar, Jacob Rengersen | 1986-10-28 |
| 4576081 | Ceramic sealing rope | Joseph H. Tournier | 1986-03-18 |
| 4565525 | Taphole construction of a shaft furnace | Jacobus Van Laar, Jahannes A.M. Butter, Jacob Rengersen, Albert Sannes | 1986-01-21 |
| 4557507 | Vertical spigot joint | Jacobus J. Commandeur, Piet Mantel | 1985-12-10 |
| 4332554 | Shaft furnace having cooling plates | Jacobus Van Laar, Wilhelmus A. J. Kastelic | 1982-06-01 |
| 4292993 | Closure plate for hot blast slide valves | Jacobus A. Rumphorst | 1981-10-06 |