Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930359 | Apparatus for preparing samples from a flow of bulk material | Erhard Wolfrum, Wolfgang Faber, Reiner Konig | 1990-06-05 |
| 4558752 | Device for obtaining dust from minerals | Hans Freund, Wolfgang Heide | 1985-12-17 |
| 4502951 | Suction device for obtaining dust samples | Rainer Koenig, Wolfgang Weisser, Helga Heide | 1985-03-05 |
| 4482864 | Process and equipment for collecting magnetite-containing ore dust samples and determining the magnetite and phosphorous contents thereof | Rainer Koenig, Wolfgang Weisser, Helga Heide | 1984-11-13 |
| 4441616 | Process for sorting coarse to fine materials according to their chemical composition | Rainer Konig, Hans Freund, Helga Heide | 1984-04-10 |