Inventor · disambiguated record
Loi Cheng
Also filed as: CHENG LOI
7 granted patents·18 citations·filing 2011–2018
78Inventor score
Top patents by PatentIndex Score
7 records- 0193US10329122B1H frame for a double deck elevatorOTIS ELEVATOR CO·Filed 2018·Granted Jun 25, 2019·6 cites·8 claims
- 0275US10036282B2Vane support systemsUNITED TECHNOLOGIES CORP·Filed 2015·Granted Jul 31, 2018·2 cites·14 claims
- 0374US10502089B2Gas turbine engine variable stator vaneUNITED TECHNOLOGIES CORP·Filed 2015·Granted Dec 10, 2019·2 cites·15 claims
- 0471US11332344B2Elevator car frame assemblyOTIS ELEVATOR CO·Filed 2018·Granted May 17, 2022·2 cites·18 claims
- 0569US9764925B2Elevator system including a car stop for maintaining overhead clearanceCHENG LOI·Filed 2011·Granted Sep 19, 2017·6 cites·18 claims
- 0653US10899580B2Elevator cab suspension assembly for a double deck elevatorOTIS ELEVATOR CO·Filed 2018·Granted Jan 26, 2021·0 cites·20 claims
- 0749US11214464B2Elevator seismic performance apparatusOTIS ELEVATOR CO·Filed 2018·Granted Jan 4, 2022·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →