Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204111 | Method for producing a pipe lined with an inner liner | Fábio Gosi de Aquino, Markus Hartmann, Daniel Demicoli, Rainer Göring, Horst Beyer +1 more | 2021-12-21 |
| 9067365 | Positioning device for a manual welding machine | — | 2015-06-30 |
| 8752257 | Arrangement for securing a lining material | — | 2014-06-17 |
| 5658992 | Polyethylene composition for injection molding | Jens Ehlers, Norbert Freisler | 1997-08-19 |
| 5656686 | Polyethylene molding compositions | Josef Berzen, Jens Ehlers, Meinhard Gusik | 1997-08-12 |
| 5494629 | Process for the production of porous moldings | Sabine Gorden, Holger Schmitz | 1996-02-27 |