Inventor · disambiguated record
Ranrong Liu
Also filed as: LIU RANRONG
2 granted patents·0 citations·filing 2021–2022
22Inventor score
Files withYUNNAN HEXU ENVIRONMENTAL TECH CO LTD2
Top patents by PatentIndex Score
2 records- 0151US12098086B2Device for advanced nitrogen and phosphorus removal in sewage treatmentYUNNAN HEXU ENVIRONMENTAL TECH CO LTD·Filed 2021·Granted Sep 24, 2024·0 cites·20 claims
- 0231US11955968B2Combined logic control circuit and sewage treatment systemYUNNAN HEXU ENVIRONMENTAL TECH CO LTD·Filed 2022·Granted Apr 9, 2024·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →