Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114456 | Discharging device for a glass melting furnace | Siegfried Weisenburger, Wolfgang Grunewald | 1992-05-19 |
| 5112378 | Bottom outlet device for a glass melting furnace | Siegfried Weisenburger, Wolfgang Grunewald | 1992-05-12 |
| 4402724 | Method and apparatus for discharging glass from a melting furnace | Siegfried Weisenburger, Fred Holl | 1983-09-06 |
| 4264341 | Method of radioactive offgas filtration and filter regeneration and device for implementing the method | Friedrich Kaufmann, Siegfried Weisenburger, Herbert Koschorke | 1981-04-28 |
| 4202792 | Method for noncontaminating solidification of radioactive waste materials | Friedrich Kaufmann, Siegfried Weisenburger, Herbert Koschorke, Dieter Sienel, Karl-Heinz Weiss | 1980-05-13 |