Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478846 | Method and device for injecting reducing agents in a shaft furnace | Louis Schmit, Karl Langner, Klaus Schott | 2002-11-12 |
| 4702182 | Process and apparatus for the injection by pneumatic means of metered amounts of pulverulent materials into a vessel which is under variable pressure | Leon Ulveing, Joseph Linden, Matthias Bohnet, Georges Wies | 1987-10-27 |