Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877947 | Method and apparatus for early fault detection in centrifugal pumps | Heinz-Dieter Hellmann, Christian Trautmann, Falk Schaefer | 2005-04-12 |
| 6820511 | Apparatus for measuring rotational angles | Reinhold Mutschler | 2004-11-23 |
| 6568901 | Balancer for multistage centrifugal pumps | Bao-Lian Wang, Bernhard Brecht | 2003-05-27 |
| 6273677 | Centrifugal pump with inflow guide device | Baogang Wang, Dieter-Heinz Hellmann | 2001-08-14 |