Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11643301 | System and method for monitoring sheave bearing condition | Yan Chen, Paul R. Braunwart, Zaffir A. Chaudhry, Charles C. Coffin | 2023-05-09 |
| 10773929 | Sheave for elevator system | Jun Ma, Peter Keyo, Brad Guilani, Gopal R. Krishnan, David J. Lanesey +2 more | 2020-09-15 |
| 10336581 | System and method for reducing belt noise | Christopher T. Chipman, Charles C. Coffin, Arthur Blanc, John P. Wesson, Yan Chen +2 more | 2019-07-02 |
| 10246300 | Elevator virtual aerodynamic shroud | Ray-Sing Lin, David E. Parekh, Mark S. Thompson | 2019-04-02 |
| 9815667 | Coated sheave | Xiaomei Yu, Yan Chen, Daniel V. Viens, John P. Wesson | 2017-11-14 |
| 9630806 | Sheave for an elevator system | John P. Wesson, Xiaomei Yu | 2017-04-25 |
| 8167540 | System for reducing compressor noise | Robert Hans Schlinker, James C. Napier, Ray-Sing Lin, Scott A. Liljenberg, Anthony C. Jones | 2012-05-01 |