Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392349 | Electric motor with cooling arrangement | Jochen Fritz, Toni Klemm, Matthias Mohr | 2025-08-19 |
| 12044252 | Wiping element for impeller leading edges of wastewater pumps | Mateusz Kaminski, Enrico Mueller, Nicolas Petit | 2024-07-23 |
| 11898570 | Pump assembly comprising a lubrication—and cooling system | Thomas Pensler, Daniel Ziegs, Hermann Bonitz | 2024-02-13 |
| 11168695 | Vortex pump | Alexander Christ, Michael Nutz, Rolf Witzel | 2021-11-09 |
| 10738792 | Vortex pump | Alexander Christ, Jochen Fritz, Toni Klemm, Steffen Schmidt, Rolf Witzel | 2020-08-11 |
| 10288073 | Pump arrangement | Patrick Drechsel, Joerg Engelbrecht, Juergen Groeschel, Markus Lay, Wolfram Wetzel | 2019-05-14 |
| 9605679 | Immersion pump and method for assembling an immersion pump | Michael Fath, Boris Werner | 2017-03-28 |
| 8425189 | Rotor mounting | Rolf Witzel, Heinrich Braun | 2013-04-23 |
| 8403625 | Pitot tube pump | Axel Binder, Christoph Emde, Christoph Keller | 2013-03-26 |
| 8021133 | Feed pump | Axel Binder, Christoph Keller | 2011-09-20 |
| 7600535 | Valve unit for pressure exchanger installations | Sven Baumgarten, Stephan Bross, Bernhard Brecht, Uwe Bruhns, Stefan Flak +3 more | 2009-10-13 |
| 7152620 | Flow-reversing valve | Sven Baumgarten, Stephen Bross, Bernhard Brecht, Uwe Bruhns, Mogens Ellegaard +3 more | 2006-12-26 |
| 5605434 | Impeller having transport elements disposed on a pressure side of a cover disk for a centrifugal pump for dirty liquids | Christian Haag, Wolfgang Kochanowski, Thomas Pensler, Rolf Witzel | 1997-02-25 |