Inventor · disambiguated record
Chengrong Zhuang
Also filed as: ZHUANG CHENGRONG
6 granted patents·2 pending applications·17 citations·filing 2004–2018
73Inventor score
Top patents by PatentIndex Score
8 records- 0169USD867172SThermodetectorZHEJIANG RONGSHENG TOOLS CO LTD·Filed 2018·Granted Nov 19, 2019·14 cites·1 claims
- 0260US9709374B2Pointer type angle measuring deviceZhejiang rongsheng tool co ltd·Filed 2015·Granted Jul 18, 2017·1 cites·7 claims
- 0355US9885570B2Electronic circuit for acousto-optoelectronic angle indication and level gauge thereofZhejiang rongsheng tool co ltd·Filed 2016·Granted Feb 6, 2018·1 cites·5 claims
- 0446US10823564B2Automatic leveling laser marking indication deviceZHEJIANG RONGSHENG TOOLS CO LTD·Filed 2018·Granted Nov 3, 2020·0 cites·12 claims
- 0543US9644951B2Pointer-type angle measuring device with wireless power supply for lightingZhejiang rongsheng tool co ltd·Filed 2014·Granted May 9, 2017·0 cites·13 claims
- 0638US2016084648A1Three Dimensional Angle Measuring DeviceZhejiang rongsheng tool co ltd·Filed 2014·Application pending·0 cites
- 0736US2014101950A1Spirit level with LED indicatorsZhejiang rongsheng tool co ltd·Filed 2013·Application pending·0 cites
- 0821USD559135SLaser level rulerZHUANG CHENGRONG·Filed 2004·Granted Jan 8, 2008·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →