Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421379 | Polyethylene pipe | Tania WEYLAND, Heinz Herbst | 2025-09-23 |
| 12269938 | Polyethylene or polypropylene articles | Tania WEYLAND, Heinz Herbst | 2025-04-08 |
| 12209174 | Polypropylene composition | Tania WEYLAND, Heinz Herbst | 2025-01-28 |