Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12358203 | Elevator load bearing suspension member including a corrosion inhibitor in the jacket | Brad Guilani | 2025-07-15 |
| 12103822 | Elevator system safety brake | Girija Marathe | 2024-10-01 |
| 11261062 | Modular sheave unit | Jun Ma | 2022-03-01 |
| 11254544 | Friction liner and traction sheave | James L. Hubbard, Peter Keyo | 2022-02-22 |
| 11111108 | Coated sheave | Xiaoyuan Chang | 2021-09-07 |
| 10822202 | Unitized segmented sheave assembly | Austin Lee, Jun Ma | 2020-11-03 |
| 10766746 | Friction liner and traction sheave | James L. Hubbard, Peter Keyo | 2020-09-08 |
| 10647547 | Methods and apparatuses for applying a substrate onto an elevator sheave | Xiaoyuan Chang, Peter Keyo, Lance L. Lavender, Hong Yang | 2020-05-12 |
| 10023432 | Guide rail for elevator | Xiaoyuan Chang | 2018-07-17 |
| 9701517 | Methods and apparatuses for applying a substrate onto an elevator sheave | Xiaoyuan Chang, Peter Keyo, Lance L. Lavender, Hong Yang | 2017-07-11 |
| 8182157 | Thrust bearing assembly | Charles W. Shattuck, Richard F. Murphy | 2012-05-22 |
| 7845857 | Thrust bearing assembly | Charles W. Shattuck, Richard F. Murphy | 2010-12-07 |
| 6293168 | Stamped rocker arms for machines such as internal combustion engines | Eric Hanniger | 2001-09-25 |