Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4293388 | Apparatus for producing abrasion-proof coke forms from bituminous coal, brown coal or peat briquets | Kurt Lorenz, Horst Dungs, Hans B. Koenigs | 1981-10-06 |
| 4259157 | Method of producing abrasion-proof coke forms from bituminous coal, brown coal or peat briquets | Kurt Lorenz, Horst Dungs, Hans B. Koenigs | 1981-03-31 |
| 4259158 | Apparatus for producing abrasion resistant coke from brown coal briquets | Heinrich Weber, Kurt Lorenz, Horst Dungs, Hans-Joachim Kersting | 1981-03-31 |
| 4231844 | Method and apparatus for producing abrasion resistant coke from brown coal briquets | Heinrich Weber, Kurt Lorenz, Horst Dungs, Hans-Joachim Kersting | 1980-11-04 |