Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9360147 | Heatable fluid line, use thereof and method for producing same | Otfried Schwarzkopf, Mark Heienbrok, Marco Isenburg, Markus Jeschonnek, Christoph Schöneberg +3 more | 2016-06-07 |
| 9103481 | Heatable medium pipe and method for producing same | Otfried Schwarzkopf, Manfred Berg, Josef Brandt, Tobias Etscheid, Mark Heienbrok +3 more | 2015-08-11 |
| 5791112 | Roof slate arrangements | — | 1998-08-11 |
| 5718085 | Gutters | — | 1998-02-17 |