Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10071884 | Detection of state of engagement between step and comb plate of passenger conveyor | Jianguo Li, Alois Senger, Jianwei Zhao, Zhaoxia Hu, Qiang Li +7 more | 2018-09-11 | |
| 7202615 | Tubular linear synchronous motor control for elevator doors | Christophe Durand, Levent Gosterisli, Thomas He, Pascal Rebillard, Vlad Zaharia | 2007-04-10 | $43,376,000 |
| 6943508 | Tubular linear synchronous motor control for elevator doors | Christophe Durand, Levent Gosterisli, Thomas He, Pascal Rebillard, Vlad Zaharia | 2005-09-13 | $19,496,000 |
| 6483047 | Elevator brake load weighing system | Vlad Zaharia | 2002-11-19 | $17,857,000 |