Inventor · disambiguated record
Qing Cheng
Also filed as: CHENG QING · Cheng Qing-Wen
1 granted patent·5 pending applications·0 citations·filing 2017–2024
7Inventor score
Files withOTIS ELEVATOR CO3ELITE INT EDUCATION SERVICES INC1MICROVAST POWER SYSTEMS CO LTD1ZHE JIANG CHEERING SEWING MACHINE CO LTD1
Top patents by PatentIndex Score
6 records- 0158US2024199382A1System and method for cleaning and disinfecting handrail, robot and passenger conveying equipmentOTIS ELEVATOR CO·Filed 2023·Application pending·0 cites
- 0257US11192756B2Safety control device for handrail, conveyor system and safety control method for handrailOTIS ELEVATOR CO·Filed 2020·Granted Dec 7, 2021·0 cites·16 claims
- 0354US2025066162A1Cleaning system and cleaning method for passenger conveyor systemOTIS ELEVATOR CO·Filed 2024·Application pending·0 cites
- 0443US2021328465A1Partitioned StatorZHE JIANG CHEERING SEWING MACHINE CO LTD·Filed 2020·Application pending·0 cites
- 0541US2023047398A1Electrolyte containing solid particles and lithium ion secondary batteryMICROVAST POWER SYSTEMS CO LTD·Filed 2019·Application pending·0 cites
- 0630US2018091451A1Chat room management method, chat room system and electronic device and server thereofELITE INT EDUCATION SERVICES INC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →