Assignee
Li yi cheng
TW·3 granted patents·2 pending applications·10 citations·filing 2013–2019
Top patents by PatentIndex Score
5 records- 0174US9278445B2Drive tool device having connectable armsLi yi cheng·Filed 2013·Granted Mar 8, 2016·5 cites·8 claims
- 0267US11224962B2Extendable and retractable wrenchLi yi cheng·Filed 2019·Granted Jan 18, 2022·1 cites·9 claims
- 0350USD935856SWrenchLi yi cheng·Filed 2019·Granted Nov 16, 2021·4 cites·1 claims
- 0449US2015101461A1Driving tool combinationLi yi cheng·Filed 2013·Application pending·0 cites
- 0545US2017113339A1Multi-purpose wrench toolLi yi cheng·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →