Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167270 | Method for the treatment of foundry sand and/or core sand | — | 1992-12-01 |
| 5108496 | Method for the concentration of dusts in a cupola furnace with metal particles | Karl Gut, Rolf Rietzscher, Hans-Ludwig Roes | 1992-04-28 |
| 4943411 | Process for treating molten iron with magnesium additions | Rudolf Pavlovsky | 1990-07-24 |
| 4897242 | Process for treating molten cast iron in an open ladle by means of pure magnesium | Karl Gut | 1990-01-30 |
| 4762555 | Process for the production of nodular cast iron | Karl Gut | 1988-08-09 |
| 4666133 | Wall member for converter chamber | Kurt Fehr, Rudolf Pavlovsky | 1987-05-19 |
| 4657588 | Method of keeping inductor spouts, downgates and outlet channels free of deposits in connection with a cast iron melt | Karl Gut | 1987-04-14 |
| 4655273 | Process of and ingot mould casting arrangement for casting a melt | Rudolf Pavlovsky | 1987-04-07 |
| 4624702 | Method of vaporizing additives in metal melts | Kurt Fehr, Rudolf Pavlovsky | 1986-11-25 |
| 4601751 | Process for the production of cast iron containing spherical graphite | Urs Brandenberger, Klaus Hornung, Werner Menk | 1986-07-22 |
| 4462455 | Permanent mold with core pulling device | Erwin Fischer | 1984-07-31 |
| 4382828 | Chromium cast iron and method of producing same | — | 1983-05-10 |