Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11542122 | Elevator overspeed governor with automatic reset | Aayush Desai | 2023-01-03 |
| 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 |
| 10822200 | Elevator safety actuator systems | — | 2020-11-03 |
| 10759631 | Remote triggering device, overspeed governor assembly and elevator | Zhengbao Shi, Yong Zhao, Min Wang | 2020-09-01 |
| 10745245 | Governor assembly and elevator | Zhengbao Shi, Yong Zhao, Min Wang, Zhihuan Man, Ye Li | 2020-08-18 |
| 10472209 | Elevator overspeed governor with automatic reset | Aayush Desai | 2019-11-12 |
| 10407275 | Detection and control system for elevator operations | Yehia F. Khalil, Richard N. Fargo, Randall Keith Roberts, Gary L Nuschler, Peter DePaola +5 more | 2019-09-10 |
| 10329120 | Elevator overspeed governor | — | 2019-06-25 |
| 10214385 | Elevator brake wedge | Scott Alan Eastman, Brad Guilani, Chen Zhao | 2019-02-26 |
| 10112802 | Elevator service person collision protection system | — | 2018-10-30 |
| 9981826 | Braking device for braking a hoisted object relative to a guide member | Justin Billard, Daryl J. Marvin | 2018-05-29 |
| 9517918 | Car mounted overspeed governor actuation device | Jeffrey Sepelak, Justin Billard | 2016-12-13 |
| 9359173 | Elevator governor having two tripping mechanisms on separate sheaves | — | 2016-06-07 |
| 8136795 | Centrifugally actuated governor | — | 2012-03-20 |