Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10935995 | Force equilibrium of a valve rod due to internal pressure equalization | Bartosz Andrzej Tymczuk, Jörg Brendel | 2021-03-02 |
| 10464785 | Step chain for escalators, and person conveyor device having a step chain of this type | Reiner Ludwig | 2019-11-05 |