Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538128 | Grate for a furnace | Guido P. Stierll | 1996-07-23 |
| 4976206 | Mechanism for the removal of slag in incineration plants | Hans Weber | 1990-12-11 |
| 4450952 | Fire grate for a combustion furnace | — | 1984-05-29 |
| 4320710 | Grate mechanism for incinerating furnaces | Arnold Erbsland | 1982-03-23 |