Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9522807 | System of elevator cabs and counterweights that move independently in different sections of a hoistway | — | 2016-12-20 |
| 9481550 | System having multiple cabs in an elevator shaft | — | 2016-11-01 |
| 9365392 | System having multiple cabs in an elevator shaft and control method thereof | — | 2016-06-14 |