Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8122645 | Drive unit for a door or gate, particularly for a garage door, and method for operating such drive unit | Christian Dietz | 2012-02-28 |
| 8098030 | Drive unit for a door or gate, particularly for a garage door, and method for operating such drive unit | Christian Dietz | 2012-01-17 |
| 7856758 | Electromechanical drive for a door | Willi Ressel, Ralf Sojka, Christian Dietz | 2010-12-28 |
| 7339338 | Method for operating a door and a door drive for carrying out this method | Christian Dietz | 2008-03-04 |
| 7180260 | Barrier operator controller with user settable control limits when entrapment device present | Larry D. Murphy | 2007-02-20 |
| 7034487 | Barrier operator controller with user settable control limits when entrapment device present | Larry D. Murphy | 2006-04-25 |
| 6553238 | Apparatus and method for the remote diagnosis, remote monitoring and remote initialization of automatic doors, door systems and garage doors | Lothar Ginzel, Willi Ressel | 2003-04-22 |
| 5770934 | Method for the closed-loop control of an automatic door which is propelled by a drive motor | — | 1998-06-23 |
| 5127190 | Sliding door | Christian Hein | 1992-07-07 |