Inventor · disambiguated record
Fengkun Zhu
Also filed as: ZHU FENGKUN
3 granted patents·5 pending applications·0 citations·filing 2019–2025
44Inventor score
Files withOTIS ELEVATOR CO8
Top patents by PatentIndex Score
8 records- 0174US12214994B2Brake disc releasing device, turning device, elevator rescue kit and methodOTIS ELEVATOR CO·Filed 2023·Granted Feb 4, 2025·0 cites·5 claims
- 0265US2025379480A1Elevator system, permanent magnet motor therefor, and manufacturing method for permanent magnet motorOTIS ELEVATOR CO·Filed 2025·Application pending·0 cites
- 0361US11667495B2Brake disc releasing device, turning device, elevator rescue kit and methodOTIS ELEVATOR CO·Filed 2019·Granted Jun 6, 2023·0 cites·14 claims
- 0461US2025346456A1Elevator sheave liner, elevator sheave assembly, and elevator systemOTIS ELEVATOR CO·Filed 2025·Application pending·0 cites
- 0558US2025083901A1System, electric device and method for detecting a status of a brake of a conveyor deviceOTIS ELEVATOR CO·Filed 2024·Application pending·0 cites
- 0653US2024213823A1Motor stator, method of manufacturing motor stator and motorOTIS ELEVATOR CO·Filed 2023·Application pending·0 cites
- 0753US2025206567A1Elevator braking device and elevator systemOTIS ELEVATOR CO·Filed 2024·Application pending·0 cites
- 0849US11702321B2Traction machine assembly and elevatorOTIS ELEVATOR CO·Filed 2019·Granted Jul 18, 2023·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →