Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11155440 | Elevator overspeed governor with automatic reset | Aayush Desai | 2021-10-26 |
| 11130655 | Elevator car dynamic sag damping system | Patricia Derwinski | 2021-09-28 |
| 11046552 | Method and system of reducing false actuation of safety brakes in elevator system | Sandeep Sudi, Joseph Crute, Arthur T. Grondine, Daryl J. Marvin | 2021-06-29 |
| 11040852 | Elevator car control to address abnormal passenger behavior | — | 2021-06-22 |
| 11034546 | Elevator governor | YiSug Kwon | 2021-06-15 |
| 10968077 | Enhanced governor system for elevator | — | 2021-04-06 |