Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688376 | Method for the gas sealing manufacture of a door frame of a coke oven battery and such a door frame structure | Hans Smits | 1997-11-18 |
| 4234390 | System for control of a coking plant | — | 1980-11-18 |