Inventor · disambiguated record
Fengwen Liu
Also filed as: LIU FENGWEN
3 granted patents·1 pending application·4 citations·filing 2020–2023
56Inventor score
Technology areasB05B
Files withGUANGZHOU SHIYUAN ELECT TECH2YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD1YANTAI JEREH PRETROLEUM EQUIPMENT & TECH CO LTD1
Top patents by PatentIndex Score
4 records- 0157USD1036440SDisplay panelGUANGZHOU SHIYUAN ELECT TECH·Filed 2022·Granted Jul 23, 2024·3 cites·1 claims
- 0246USD1079668SSpeakerphoneGUANGZHOU SHIYUAN ELECT TECH·Filed 2023·Granted Jun 17, 2025·1 cites·1 claims
- 0344US11850618B2Nozzle assembly, ejecting device and ejecting methodYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2020·Granted Dec 26, 2023·0 cites·20 claims
- 0436US2022339646A1Electrostatic spray deviceYANTAI JEREH PRETROLEUM EQUIPMENT & TECH CO LTD·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →