Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4720248 | Thermal barrier for submersible pump and motor assemblies | Hans-Joachim Franke, Peter Havekost, Christian Klepp | 1988-01-19 |
| 4518311 | Centrifugal pump | Hans-Joachim Franke, Peter Havekost | 1985-05-21 |
| 4433825 | Stress-resistant mount for the casing of a centrifugal pump | J/u/ rgen Koch | 1984-02-28 |
| 4398867 | Centrifugal pump casing | Hans-Joachim Franke, Peter Havekost | 1983-08-16 |
| 4386780 | Apparatus for cleaning liquids in centrifugal pumps or the like | — | 1983-06-07 |