Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697274 | Electric melting furnace arrangement as well as a method of influencing the composition of a mineral melt for producing wool | Bernhard Enkner, Alfred Kubelbock, Wolfgang Trimmel, Paul Nalepka, Leopold Schropp +4 more | 1987-09-29 |
| 4678168 | Tilting channel arrangement for guiding a molten material | Bernhard Enkner, Alfred Kubelbock, Wolfgang Trimmel, Paul Nalepka, Leopold Schropp +4 more | 1987-07-07 |
| 4617672 | Electric furnace arrangement | Bernhard Enkner, Alfred Kubelbock, Wolfgang Trimmel, Paul Nalepka, Leopold Schropp +4 more | 1986-10-14 |