Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11124386 | Safety brake configuration for elevator application | Duan Liang, Tahany Ibrahim El-Wardany, James M. Draper, Xiaodong Luo, Joe J. Liou | 2021-09-21 |
| 11014782 | Elevator system rails | Walter Thomas Schmidt | 2021-05-25 |
| 10906782 | Passive elevator car | Daryl J. Marvin | 2021-02-02 |
| 10894696 | Belt with guide elements | Brad Guilani, Daniel A. Mosher | 2021-01-19 |