Inventor · disambiguated record
Gongyuan Fan
Also filed as: FAN GONGYUAN
3 granted patents·2 pending applications·7 citations·filing 2012–2023
56Inventor score
Files withJIANGSU DONGCHENG TOOLS TECH CO LTD2NANJING CHERVON IND CO LTD2POSITEC POWER TOOLS SUZHOU CO1
Top patents by PatentIndex Score
5 records- 0189US10524417B2Walk-behind, self-propelled machineNANJING CHERVON IND CO LTD·Filed 2019·Granted Jan 7, 2020·7 cites·45 claims
- 0256US12501865B2Air blowing device and detachable filter assembly for air blowing deviceJIANGSU DONGCHENG TOOLS TECH CO LTD·Filed 2023·Granted Dec 23, 2025·0 cites·20 claims
- 0356US2024081192A1Hedge trimmerJIANGSU DONGCHENG TOOLS TECH CO LTD·Filed 2023·Application pending·0 cites
- 0448US11641794B2Transmission disconnection by wheel rotation for walk-behind machineNANJING CHERVON IND CO LTD·Filed 2019·Granted May 9, 2023·0 cites·20 claims
- 0538US2013046448A1Lawn mower and method for controlling self-driving operations of the lawn mowerPOSITEC POWER TOOLS SUZHOU CO·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →