Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921661 | Automatic bulb shutoff system for lighting fixtures | Paul Eusterbrock, Bernd Swolinski | 1999-07-13 |
| 4465419 | Method and apparatus for controlling the volumetric charge of a coke oven furnace | Josef Stratmann, Claus Urbye | 1984-08-14 |
| 4379023 | Charging hole lock for horizontal coke ovens | Josef Stratmann | 1983-04-05 |
| 4242027 | Apparatus for charging coke oven furnaces of a coke oven battery | Josef Stratmann | 1980-12-30 |