Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563651 | Stator for an eccentric screw pump, an eccentric screw pump and a method for producing a stator | Walter Reisinger | 2020-02-18 |
| 10385977 | Shaft slide ring seal arrangement | Hisham Kamal, Mikael Tekneyan, Philipp Nuebl | 2019-08-20 |
| 9869314 | Screw pump | Eduardo Nuss, Arthur Zinke, Aluisio Loth, Klaus Heizinger, Lorenz Lessmann +15 more | 2018-01-16 |
| 9759214 | Screw pump with at least two parts | Eduardo Nuss, Arthur Zinke, Aluisio Loth, Klaus Heizinger, Lorenz Lessmann +15 more | 2017-09-12 |
| 9617992 | Rotary piston pump with optimised inlets and outlets | Stefan Weigl, Reinhard Denk, Hisham Kamal, Josef Strassl, Robert Kurz +10 more | 2017-04-11 |
| 9617995 | Rotary piston pump with slip ring seals for improved fitting and synchronization of rotary pistons | Stefan Weigl, Reinhard Denk, Hisham Kamal, Josef Strassl, Robert Kurz +11 more | 2017-04-11 |
| 9611850 | Method and device for fixing and synchronizing rotary pistons in a rotary piston pump | Stefan Weigl, Reinhard Denk, Hisham Kamal, Josef Strassl, Robert Kurz +10 more | 2017-04-04 |
| 9028233 | Rotary piston pump and method for operating a rotary piston pump | Hans Juergen Linde, Bernhard Murrenhoff, Robert Kurz, Reinhard Denk, Josef Strassl +12 more | 2015-05-12 |
| 8033802 | Stator casing for eccentric worm pumps | Mikael Tekneyan, Helmuth Weber, Hisham Kamal | 2011-10-11 |
| 8007259 | Stator system | Hisham Kamal, Mikael Tekneyan, Michael Robby, Helmuth Weber | 2011-08-30 |
| 7871253 | Stator clamping device for eccentric screw pump | Guenter Fischbach, Hisham Kamal, Franz Kneidl, Helmuth Weber, Markus Rosam +2 more | 2011-01-18 |
| 7104770 | Eccentric screw-type pump with spare stator | Helmut Bauer, Christoph Boehnisch, Reinhard Denk, Matthias Gradl, Michael Groth +14 more | 2006-09-12 |
| 7040878 | Eccentric screw-type pump | Reinhard Denk, Bernhard Murrenhoff, Christopher Martin Gwalchmai | 2006-05-09 |
| 5318416 | Casing of an eccentric worm pump designed to burst at preselected pressure | Gunther Hantschk, Jörg Eitler | 1994-06-07 |
| 4909773 | Swivel coupling | Erich Schlecher, Gunther Hantschk | 1990-03-20 |
| 4863359 | Stator for eccentric worm pumps | Eugen Unterstrasser | 1989-09-05 |