Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645184 | Apparatus for preparing binder-free hot-briquets | Werner Kaas | 1987-02-24 |
| 4592777 | Method, process and composition for desulfurizing pig-iron melts | Walter Meichsner, Werner Gmohling | 1986-06-03 |
| 4533384 | Process for preparing binder-free hot-briquets | Werner Kaas | 1985-08-06 |
| 4431444 | Process for reducing the iron content of CaO-rich slags formed during the desulphurization of crude iron | Rudolf HAMMER, Walter Meichsner | 1984-02-14 |