Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420521 | Hydrogen tube | Andre Häckel, Frank Fahrenholz, Siegfried Arnold | 2025-09-23 |
| 11976751 | Multilayer motor vehicle pipeline | Andre Häckel | 2024-05-07 |
| 11655920 | Multilayer motor vehicle pipeline | Andre Häckel | 2023-05-23 |
| 10948109 | Use of tubing as temperature control tubing | Werner Zimmer, Frank Fahrenholz, Siegfried Arnold | 2021-03-16 |