Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832106 | Production of castings containing steel tubes | Heinz L. Bucking, Christoph Knoche | 1989-05-23 |
| 4216946 | Gate arrangement for counterpressure blast furnaces | Hubert Nettler, Jurgen Burmann | 1980-08-12 |