Inventor · disambiguated record
Ruguang Liu
Also filed as: LIU RUGUANG
4 granted patents·6 pending applications·1 citations·filing 2016–2025
56Inventor score
Files withOTIS ELEVATOR CO10
Top patents by PatentIndex Score
10 records- 0168US10974930B2Traction sheave, pulley component and elevator having sameOTIS ELEVATOR CO·Filed 2016·Granted Apr 13, 2021·1 cites·23 claims
- 0267US11885387B2Friction material and preparation method therefor, and friction partOTIS ELEVATOR CO·Filed 2022·Granted Jan 30, 2024·0 cites·18 claims
- 0365US2025379480A1Elevator system, permanent magnet motor therefor, and manufacturing method for permanent magnet motorOTIS ELEVATOR CO·Filed 2025·Application pending·0 cites
- 0464US2025011132A1Method for online replacement and method for installation of elevator sheave liner, and elevator sheave linerOTIS ELEVATOR CO·Filed 2024·Application pending·0 cites
- 0561US2025346456A1Elevator sheave liner, elevator sheave assembly, and elevator systemOTIS ELEVATOR CO·Filed 2025·Application pending·0 cites
- 0660US2025346455A1Elevator sheave liner, elevator sheave assembly, and elevator systemOTIS ELEVATOR CO·Filed 2025·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
- 0945US2024067498A1Elevator braking device and elevator systemOTIS ELEVATOR CO·Filed 2022·Application pending·0 cites
- 1044US10975927B2Brake device for elevator and an elevator systemOTIS ELEVATOR CO·Filed 2019·Granted Apr 13, 2021·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →