Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647436 | Reaction tube system for a steam reformer | Hans-Joachim Herbort | 1987-03-03 |
| 4287839 | Apparatus for lining the inner walls of industrial furnaces | Hans-Dieter Marsch | 1981-09-08 |