Inventor · disambiguated record
Duan Liang
Also filed as: LIANG DUAN
1 granted patent·3 pending applications·3 citations·filing 2016–2022
21Inventor score
Top patents by PatentIndex Score
4 records- 0184US11124386B2Safety brake configuration for elevator applicationOTIS ELEVATOR CO·Filed 2016·Granted Sep 21, 2021·3 cites·10 claims
- 0244US2022212245A1Method for automatically determining quality of a self-piercing riveting processJEE TECH CO LTD·Filed 2022·Application pending·0 cites
- 0337US2017261058A1Elevator safety spring and method of manufacturingOTIS ELEVATOR CO·Filed 2017·Application pending·0 cites
- 0435US2019330020A1Elevator safety gear actuation deviceOTIS ELEVATOR CO·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →