Inventor · disambiguated record
Huanfeng Liu
Also filed as: LIU HUANFENG
1 granted patent·2 pending applications·3 citations·filing 2015–2023
21Inventor score
Top patents by PatentIndex Score
3 records- 0182US10189680B2Landing-door door lock deviceOTIS ELEVATOR CO·Filed 2015·Granted Jan 29, 2019·3 cites·6 claims
- 0250US2025373127A1Fiber retainer, electrically conductive ring for bearing electrical corrosion protection, and electric motorMPT NEWTECH SHANGHAI CO LTD·Filed 2023·Application pending·0 cites
- 0336US2024068522A1Shaft-grounding bearing protection device and motorMPT NEWTECH SHANGHAI CO LTD·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →