Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371759 | D.C. furnace with a hearth electrode, hearth electrode and electrode block, as well as process for operating said furnace | William Wells | 1994-12-06 |
| 5297159 | Direct current-light arc furnace | Herbert Dung | 1994-03-22 |
| 5290016 | Arrangement for cooling vessel portions of a furnace, in particular a metallurgical furnace | — | 1994-03-01 |
| 4767451 | Method of operating an electric arc furnace | Donald G. Bergman | 1988-08-30 |
| 4594113 | Process for producing reinforcing steel in the form of rods or rod wire | Horst Brehmer | 1986-06-10 |
| 4498185 | Process for preventing burn-off on a current-conducting electrode for metallurgical furnaces and electrodes | Dietfried Reiber, Josef Messmer, Peter Robert Lawrence Kaiser | 1985-02-05 |
| 4317677 | Process for producing liquid crude iron and reduction gas | Ralph Weber, Walter Maschlanka, Bernt Rollinger, Gerhard Sanders | 1982-03-02 |
| 4291190 | Fluid-cooled holder for an electrode tip | Rudolf Kasper, William E. Schwabe | 1981-09-22 |
| 4287933 | Continuous casting method with rotary melt movement | Leo F. Heinen, Jr. | 1981-09-08 |
| 4279407 | Metallurgical furnace in particular an electric arc furnace | — | 1981-07-21 |
| 4259539 | Melting furnace | Dieter Ameling, Rolf Assenmacher, Gerhard Fuchs | 1981-03-31 |
| 4256918 | Electrode for arc furnaces | William E. Schwabe, Rudolph Kasper | 1981-03-17 |
| 4189617 | Liquid-cooled electrode for electric arc furnaces | William E. Schwabe, Rudolf Kasper | 1980-02-19 |