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, Klaus Wessiepe, Heribert Bertling, Helmut Dohle, Manfred Friedrichs +5 more | 1995-03-07 |
| 4552623 | Coke oven door closure construction | Klaus Urbye | 1985-11-12 |
| 4412891 | Coke oven door having profiled sealing diaphragm | — | 1983-11-01 |
| 4400240 | Coke oven door having outer and inner sealing blades | — | 1983-08-23 |
| 4366028 | Jamb brick support for coke oven doors | — | 1982-12-28 |
| 4238293 | Maintenance and repair station for charging cars of coke oven batteries | — | 1980-12-09 |