Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10773929 | Sheave for elevator system | Jun Ma, Brad Guilani, Gopal R. Krishnan, David J. Lanesey, John P. Wesson +2 more | 2020-09-15 |
| 10766746 | Friction liner and traction sheave | James L. Hubbard, David R. Torlai | 2020-09-08 |
| 10647547 | Methods and apparatuses for applying a substrate onto an elevator sheave | Xiaoyuan Chang, David R. Torlai, Lance L. Lavender, Hong Yang | 2020-05-12 |