Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10024194 | Diverter damper | Arthur Joseph Hendrikus Franciscus Knoors, Frank Willems | 2018-07-17 |
| 5697596 | Flap valve with improved actuator | Karl-Josef Kremers, Bernd Ormanns | 1997-12-16 |