Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7533868 | Drive unit, without engine frame, for an elevator | Heinrich Kuttel | 2009-05-19 |
| 7422089 | Drive unit for an elevator | Urs Ammon, Christian Luthi | 2008-09-09 |
| 7316295 | Drive unit with brake for an elevator | Heinrich Kuttel | 2008-01-08 |
| 7083026 | Engine frame with counter-roller support for an elevator drive | Heinrich Kuttel | 2006-08-01 |
| 6942067 | Portable emergency drive for an elevator | Heinrich Kuttel | 2005-09-13 |
| 6889959 | Actuating device for emergency operation of a gearless drive machine of an elevator | — | 2005-05-10 |
| 6729597 | Support of a drive unit for a lift | Heinrich Kuttel | 2004-05-04 |
| 6478124 | Brake device for a drive machine of an elevator | — | 2002-11-12 |
| 6371248 | Drive unit for elevators | — | 2002-04-16 |
| 5148893 | Gearless drive machine for elevators | Josef Vertesy | 1992-09-22 |