Inventor · disambiguated record
Zhiren Liu
Also filed as: LIU ZHIREN
3 granted patents·2 pending applications·0 citations·filing 2006–2020
39Inventor score
Top patents by PatentIndex Score
5 records- 0160US11591189B2Coupling device between an elevator car door and a landing door and elevator systemOTIS ELEVATOR CO·Filed 2020·Granted Feb 28, 2023·0 cites·12 claims
- 0257US11845631B2Synchronizing assembly for elevator door and elevatorOTIS ELEVATOR CO·Filed 2020·Granted Dec 19, 2023·0 cites·18 claims
- 0347US11453571B2Governor assembly for elevator system, elevator safety system and elevator systemOTIS ELEVATOR CO·Filed 2019·Granted Sep 27, 2022·0 cites·11 claims
- 0435US2010055204A1Use of hydrochloric acid in the manufacture of medicament for treating disease caused by fouling of transport tractLIU ZHIREN·Filed 2007·Application pending·0 cites
- 0531US2008317871A1Use of Hydrochloric Acid For the Manufacture of a Medicament For the Treatment of HypertensionLIU ZHIREN·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →