Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7681600 | Hose made of thermoplastic polymer | Jörg Vortkort | 2010-03-23 |
| 6547907 | Method for producing a rotationally symmetric body | Burkhard Brink, Wolfgang Meyer | 2003-04-15 |
| 6374863 | Double walled tube with leak display device | — | 2002-04-23 |
| 6213833 | Float for buoyant hoses | Uwe Maass | 2001-04-10 |
| 6009911 | Safety hose | Winfried Hellmig, Uwe Maass, Peter Zerfowski | 2000-01-04 |
| 5722794 | Float for floating flexible pipes | Winfried Hellmig, Uwe Maass | 1998-03-03 |
| 5702132 | Pivotal link | Gunter Kupczik | 1997-12-30 |