Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9643322 | Control method for a balancing lifting gear and balancing lifting gear | Holger Freitag, Giuliano Persico | 2017-05-09 |
| 9385523 | Circuit arrangement having an emergency stop switch of a hoist | Holger Freitag, Giuliano Persico | 2016-07-05 |
| 7497303 | Method for setting the parameters of motor control systems of hoisting equipment | Holger Freitag | 2009-03-03 |