Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6345580 | Thrust grate with lateral guidance members for the moved grate component | — | 2002-02-12 |
| 6312252 | Cooler for combustion products | — | 2001-11-06 |
| 5775891 | Grate cooler for combustion material and process for its operation | Joachim Harder | 1998-07-07 |
| 5699917 | Method and apparatus for separating crops and impurities | Johann Klintworth | 1997-12-23 |
| 5423900 | Method for blowing oxidizing gases into molten metal | Rainer Zechner, Rudolf Flesch, Manfred Redetzky, Harald Berger, Johannes Steins | 1995-06-13 |
| 5366538 | Process for the production of a metal melt | Harald Berger, Johannes Steins | 1994-11-22 |