Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758245 | Composite pipe having a PTFE inner layer and a covering layer of a fiber-reinforced plastics material | Ralf Troschitz, Heribert Weisenfeld | 2004-07-06 |
| 4330400 | Apparatus for separating dust, dirt and the like from particulate material | — | 1982-05-18 |
| 4322288 | Apparatus for sizing particulate material | — | 1982-03-30 |