Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6162280 | Process for heat treatment of organically contaminated material | Johann Lehner, Oskar Pammer, Hans Stiasny, Heinz Schollnhammer, Hubert Zellner | 2000-12-19 |
| 4956849 | Process and apparatus for graphitizing carbon bodies | Claude Holuigue, Heinrich Panholzer, Karl-Wilhelm Maier | 1990-09-11 |
| 4697274 | Electric melting furnace arrangement as well as a method of influencing the composition of a mineral melt for producing wool | Bernhard Enkner, Leopold Amon, Alfred Kubelbock, Paul Nalepka, Leopold Schropp +4 more | 1987-09-29 |
| 4678168 | Tilting channel arrangement for guiding a molten material | Bernhard Enkner, Leopold Amon, Alfred Kubelbock, Paul Nalepka, Leopold Schropp +4 more | 1987-07-07 |
| 4617672 | Electric furnace arrangement | Bernhard Enkner, Leopold Amon, Alfred Kubelbock, Paul Nalepka, Leopold Schropp +4 more | 1986-10-14 |