Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930359 | Apparatus for preparing samples from a flow of bulk material | Wolfgang Faber, Reiner Konig, Rolf A. Sieglen | 1990-06-05 |
| 4450777 | Process for removing noxious substances containing fluorine and/or sulfur from gaseous or liquid media | Manfred Erken, Dietrich Bocker | 1984-05-29 |
| 4391786 | Production of calcium carbide | Hans-Joachim Kersting, Willi Portz, Georg Strauss | 1983-07-05 |
| 4242225 | Method and apparatus for producing active coke | — | 1980-12-30 |