Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7380973 | Method and device for the reprocessing of a thermoplastic polycondensate | Federico Innerebner | 2008-06-03 |
| 6838496 | Method and device for processing a thermoplastic condensation polymer | Federico Innerebner | 2005-01-04 |
| 5685640 | Fly ash dosing method for dosing and device therefor | Wilhelm Herzmann, Arthur Ruf | 1997-11-11 |
| 5538162 | Apparatus and method for dosing | Lothar Reh, Marc Tesch, Beat Hani, Arthur Ruf, Thomas Meili | 1996-07-23 |