Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016081 | Elevator drive brake device monitor | Karl Weinberger, Rene′ Hermann, Luc Bonnard | 2011-09-13 |
| 8011481 | Method for monitoring operating states of an elevator unit by sensing movable brake part | Karl Erny, Urs Lindegger | 2011-09-06 |
| 7909145 | Brake device for an elevator with monitoring capabilities | Karl Erny, Urs Lindegger | 2011-03-22 |