Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9879695 | Self-cleaning cover plate in a pump with radial flow | Carl Stahle | 2018-01-30 |
| 9709071 | Self-cleaning screw-type centrifugal wheel pump with recirculation behind the impeller | Carl Stahle | 2017-07-18 |