Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5395485 | Reactor chamber door for large-scale coking reactors | Gerd Nashan, Heribert Bertling, Werner Abendroth, Helmut Dohle, Manfred Friedrichs +5 more | 1995-03-07 |
| 5279713 | Door | Wilhelm Stewen | 1994-01-18 |
| 5150543 | Door | Wilhelm Stewen | 1992-09-29 |
| 5137602 | Heating chamber for a coke oven and method of heating a coke oven | Wilhelm Stewen | 1992-08-11 |
| 4990220 | Coking reactor | Gerd Nashan, Heribert Bertling, Wolfgang Rohde, Manfred Blase, Manfred Galow +7 more | 1991-02-05 |
| 4986032 | Door | Wilhelm Stewen | 1991-01-22 |