Inventor · disambiguated record
Heng Liu
Also filed as: LIU HENG · LIU HENG-CHIA
3 granted patents·3 pending applications·23 citations·filing 2003–2017
63Inventor score
Files withADH GUARDIAN USA LLC1FORD GLOBAL TECH LLC1LIU HENG-CHIA1SCHLUMBERGER TECHNOLOGY CORP1SHANGHAI GUARDIAN CORP1
Top patents by PatentIndex Score
6 records- 0164US10253545B2Backup power unit for powered barrier operatorsADH GUARDIAN USA LLC·Filed 2017·Granted Apr 9, 2019·3 cites·16 claims
- 0260US6719380B1Tool cabinetFiled 2003·Granted Apr 13, 2004·20 cites·19 claims
- 0353US10408279B2Brake clutch connectionFORD GLOBAL TECH LLC·Filed 2017·Granted Sep 10, 2019·0 cites·10 claims
- 0447US2010096092A1Garage door assemblySHANGHAI GUARDIAN CORP·Filed 2008·Application pending·0 cites
- 0544US2007278913A1Mobile tool chest with a safety deviceLIU HENG-CHIA·Filed 2006·Application pending·0 cites
- 0636US2009141943A1Analyzing borehole by automatically evaluating predicted borehole failure imageSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →