Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689007 | Process of thermally treating lump or agglomerated materials on a travelling grate | — | 1987-08-25 |
| 4373946 | Process of heat-treating pellets | — | 1983-02-15 |
| 4251062 | Ignition hood with swirl combustion chamber | Erhard Pobuda | 1981-02-17 |