Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9109445 | Shield canopy for a shield-type support | Detlef Hahn, Stefan Hengstler | 2015-08-18 |
| 8998343 | Method for determining the position or location of plant components in mining extracting plants and extracting plant | Marco Ahler, Sascha Stelter, Andreas Westphalen, Stefan Hengstler, Simon Pauli +1 more | 2015-04-07 |