| 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 |