Issued Patents 2017
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9838939 | Service transfer method and apparatus | Li Ji, Hongzhuo Zhang | 2017-12-05 |
| 9832111 | OFS in-band communication method and OFS | Zaifu Zhou | 2017-11-28 |
| 9731938 | Coated rope or belt for elevator systems | John P. Wesson, Gopal R. Krishnan, Timothy D. DeValve | 2017-08-15 |
| 9731939 | Elevator cord health monitoring | Fanping Sun, John P. Wesson, Xiaodong Luo, Zaffir A. Chaudhry, Daniel A. Mosher +2 more | 2017-08-15 |
| 9706628 | Device for forming air flow containing charged ions | Hongzhuan Feng, Jian Wang, Jie Li | 2017-07-11 |
| 9668186 | Method, device and system for processing radio link failure report and for statistically processing abnormal event | Xuelong Wang, Henrik Olofsson, Ping Song | 2017-05-30 |
| 9550653 | Elevator tension member | John P. Wesson, Gopal R. Krishnan | 2017-01-24 |