Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6315810 | Process for vitrifying heavy-metal-containing residues having a chlorine content above 10% by mass and a melting furnace for carrying out the process | — | 2001-11-13 |
| 6299827 | Apparatus for vitrifying heavy-metal-containing residues having a chlorine content above 10% by mass | — | 2001-10-09 |
| 5926498 | Melting furnace for the thermal treatment of special waste materials containing heavy metal and/or dioxin | — | 1999-07-20 |
| 5848960 | Process for vitrifying residues from flue gas cleaning | Christian Wieckert | 1998-12-15 |
| 5049777 | High-power radiator | — | 1991-09-17 |
| 5009858 | Device for generating ozone | — | 1991-04-23 |
| 4986968 | Ozone generator | Michael Hirth | 1991-01-22 |
| 4960570 | Ozone generator | — | 1990-10-02 |