Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370235 | Method of separating polyethylene (PE) and polypropylene (PP) | Ingo Stahl, Axel Hollstein, Ulrich Kleine-Kleffmann, Iring Geisler | 1994-12-06 |
| 5366091 | Method of separating poly(ethylene terephthalate) (PET) and poly(vinyl chloride) (PVC) | Ingo Stahl, Axel Hollstein, Ulrich Kleine-Kleffmann, Iring Geisler | 1994-11-22 |
| 5358119 | Method of separating a mixture of plastics comprising at least three components using electrostatic techniques | Ingo Stahl, Axel Hollstein, Ulrich Kleine-Kleffmann, Iring Geisler | 1994-10-25 |
| 5357549 | Method of dynamic range compression of an X-ray image and apparatus effectuating the method | Hanns-Ingo Maack | 1994-10-18 |
| 5280512 | Arrangement for producing X-ray images | Hanns-Ingo Maack, Ingo Schafer | 1994-01-18 |