Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007259 | Stator system | Johann Kreidl, Hisham Kamal, Mikael Tekneyan, Helmuth Weber | 2011-08-30 |
| 7618246 | Eccentric screw pump having conical sealing surfaces | Herbert Frisch, Franz Lachenwitzer | 2009-11-17 |
| 7137795 | Stator for eccentric spiral pump | Hisham Kamal | 2006-11-21 |
| 7104770 | Eccentric screw-type pump with spare stator | Helmut Bauer, Christoph Boehnisch, Reinhard Denk, Matthias Gradl, Michael Groth +14 more | 2006-09-12 |