Assignee
LIU YAOTING
CN·3 granted patents·0 citations·filing 2012–2019
Top patents by PatentIndex Score
3 records- 0135US11097354B2Gear self-tightening drill chuckLIU YAOTING·Filed 2017·Granted Aug 24, 2021·0 cites·18 claims
- 0230US12390863B2Clutch device, drill chuck, power tool, and bidirectional rotation method of drill chuckLIU YAOTING·Filed 2019·Granted Aug 19, 2025·0 cites·8 claims
- 0328US10086442B2Drill chuckLIU YAOTING·Filed 2012·Granted Oct 2, 2018·0 cites·5 claims
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