Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6250917 | Regenerator/burner system for heating a fuel-fired industrial furnace | Ing Franz Engelberg, Gerhard Villinger, Wolfgang Bender | 2001-06-26 |
| 5876197 | Method for heating a fuel-fired industrial furnace and regenerator/burner system therefor | Franz Engelberg, Gerhard Villinger, Wolfgang Bender | 1999-03-02 |