Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6073651 | Damped valve | Hermann-Josef Conrads, Erwin Laurer, Jurgen Model | 2000-06-13 |
| 6047731 | Pressure fitting, in particular a pressure relief and safety valve | Hermann-Josef Conrads, Erwin Laurer, Juergen Model | 2000-04-11 |