Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832111 | Process for casting molten metal | Herbert Schilling | 1989-05-23 |
| 4711290 | Method and apparatus for casting iron treated with magnesium | Rolf Rietzscher, Stefan Dersch | 1987-12-08 |
| 4623385 | Method of and apparatus for introducing additives into a metal bath | — | 1986-11-18 |