Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11236747 | Eccentric screw pump | Josef Hauck, Hisham Kamal | 2022-02-01 |
| 9617992 | Rotary piston pump with optimised inlets and outlets | Stefan Weigl, Hisham Kamal, Josef Strassl, Robert Kurz, Bernhard Murrenhoff +10 more | 2017-04-11 |
| 9617995 | Rotary piston pump with slip ring seals for improved fitting and synchronization of rotary pistons | Stefan Weigl, Hisham Kamal, Josef Strassl, Robert Kurz, Bernhard Murrenhoff +11 more | 2017-04-11 |
| 9611850 | Method and device for fixing and synchronizing rotary pistons in a rotary piston pump | Stefan Weigl, Hisham Kamal, Josef Strassl, Robert Kurz, Bernhard Murrenhoff +10 more | 2017-04-04 |
| 9028233 | Rotary piston pump and method for operating a rotary piston pump | Hans Juergen Linde, Bernhard Murrenhoff, Robert Kurz, Josef Strassl, Thomas Boehme +12 more | 2015-05-12 |
| 7871253 | Stator clamping device for eccentric screw pump | Johann Kreidl, Guenter Fischbach, Hisham Kamal, Franz Kneidl, Helmuth Weber +2 more | 2011-01-18 |
| 7104770 | Eccentric screw-type pump with spare stator | Helmut Bauer, Christoph Boehnisch, Matthias Gradl, Michael Groth, Guido Gutmann +14 more | 2006-09-12 |
| 7040878 | Eccentric screw-type pump | Bernhard Murrenhoff, Christopher Martin Gwalchmai, Johann Kreidl | 2006-05-09 |