Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696013 | Vessel of a metallurgical furnace, especially of an arc furnace | Joachim Ehle, Gerhard Fuchs, Horst-Rudiger Langfeldt | 1987-09-22 |
| 4603424 | Fluid-cooled carrier member of a composite electrode of an electric arc furnace | Gerhard Fuchs, Joachim Ehle, Helmut Karcher | 1986-07-29 |