Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11390491 | Device for unlocking a landing door | — | 2022-07-19 |
| 9938116 | Self-centering elevator cage door suspension | — | 2018-04-10 |
| 9181065 | Drive regulating device arranged at elevator car door lintel | Erich Schumacher, Hansueli Stocker, Nicolas Gremaud | 2015-11-10 |
| 9169106 | Coupling system of an elevator car door drive | — | 2015-10-27 |
| 9126809 | Device and method for controlling elevator car door | — | 2015-09-08 |
| 7681695 | Method of modernizing the car door system of an elevator, and modernizing constructional set for carrying out the method | — | 2010-03-23 |
| 7232012 | Elevator shaft door | Josef A. Muff, Peter Spiess | 2007-06-19 |
| 6668494 | Door frame at elevator shaft doors | Roland Weidmann, Peter Spiess | 2003-12-30 |
| 6105738 | Elevator brake | — | 2000-08-22 |
| 5957242 | Machine frame | Christian Suter | 1999-09-28 |