Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715601 | Method for control of the chain drive mechanisms of underground working machines, especially chain scraper conveyors, and a chain scraper conveyor | Dirk Abel, Erwin Haese, Gerhard Merten, Peter Herkenrath, Nicole Kostiza +2 more | 2004-04-06 |
| 6029799 | Method for controlling drives of conveying machinery | Wilfried Weigel, Jens Titschert | 2000-02-29 |
| 6008605 | Method for determining the active power of asynchronous electric motors | Wilfried Weigel, Jens Titschert, Martin Eickhoff | 1999-12-28 |