Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208301 | Control switch, control system and method for operating a crane | Wolfgang Krebs, Frederick Woidneck, Marco Woldt, Giuliano Persico, Holger Freitag +1 more | 2021-12-28 |
| D875690 | Control switch | Wolfgang Krebs, Frederick Woidneck, Marco Woldt, Giuliano Persico, Holger Freitag +1 more | 2020-02-18 |
| 8469727 | Arrangement for connecting two successive contact line rails | Wolfgang Krebs, Klaus-Dieter Oemus | 2013-06-25 |
| 5679250 | Pressurized screen arrangement | Pär Larsson | 1997-10-21 |