Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6116894 | Continuous furnace | Henning Richter | 2000-09-12 |
| 4753179 | Fire-resistant ceiling element for an industrial furnace, ceiling for an industrial furnace made of fire-resistant ceiling elements, and industrial furnace with such a ceiling | — | 1988-06-28 |