Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5490162 | Process and device for the continuous treatment of silicon | Karl Hutzler, Rudolf Koch | 1996-02-06 |
| 5466275 | Method and apparatus for desulphurizing iron with minimal slag formation | — | 1995-11-14 |
| 4534791 | Process for treating silicon and ferrosilicon with slag | Winfried Lang, Rudolf Riedle, Herbert Straussberger, Willi Streckel | 1985-08-13 |
| 4361449 | Process for the preparation of pre-melted, basic welding powders for submerged arc welding | — | 1982-11-30 |
| 4359337 | Process for the manufacture of basic slags for the electroslag remelting process | — | 1982-11-16 |
| 4248631 | Casting powder for the continuous casting of steel and method for producing the same | Albert Tosin | 1981-02-03 |