Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655955 | Coolable arched roof | Erwin Wachter, Klaus Zoss, Werner Seglias | 2003-12-02 |
| 4599951 | Apparatus for discharging incineration residues from furnaces, particularly refuse incinerators | — | 1986-07-15 |
| 4463688 | Grate block for a refuse incineration grate | — | 1984-08-07 |