Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7314119 | Equipment for vibration damping of a lift cage | Elena Cortona | 2008-01-01 |
| 7314118 | Equipment and method for vibration damping of a lift cage | Elena Cortona | 2008-01-01 |
| 7299898 | Progressive safety device | — | 2007-11-27 |
| 6959787 | Elevator car frame vibration damping device | — | 2005-11-01 |
| 5896949 | Apparatus and method for the damping of oscillations in an elevator car | Ayman Hamdy | 1999-04-27 |
| 5246089 | Door drive apparatus with locking mechanism for elevators | Franz Weingertner | 1993-09-21 |
| 4947964 | Door drive apparatus with locking mechanism for elevators | — | 1990-08-14 |