Issued Patents 2023
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11845631 | Synchronizing assembly for elevator door and elevator | Zhiren Liu, Meihong Mao, Yunbin Cai, Jinkoo Lee | 2023-12-19 |
| 11795033 | Elevator car door interlock | Richard E. Kulak | 2023-10-24 |
| 11760604 | Versatile elevator door interlock assembly | — | 2023-09-19 |
| 11661315 | Monitoring system, elevator door system having monitoring system, and method | Richard E. Kulak | 2023-05-30 |
| 11655122 | Elevator door in interlock assembly | Richard E. Kulak | 2023-05-23 |
| 11572251 | Elevator door sensor fusion, fault detection, and service notification | Walter Thomas Schmidt, Abdelilah Sakti | 2023-02-07 |