Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795725 | Method for the manufacture of refractory bricks containing CaO | Jaap H. Addink, Christiaan M. J. M. Beelen, Adam Steen, Jurrie De Boer | 1989-01-03 |
| 4747985 | Method for the manufacture of a magnesia-carbon brick | Jaap H. Addink, Christian M. J. M. Beelen, Adam Steen, Jurrie De Boer | 1988-05-31 |
| 4294431 | Method of providing and maintaining a wear-lining of a steel converter and a steel converter having such a lining | Adam Steen | 1981-10-13 |