Inventor · disambiguated record
Guangwen Liu
Also filed as: LIU GUANGWEN
0 granted patents·2 pending applications·0 citations·filing 2014–2014
Files withPETROCHINA CO LTD2
Top patents by PatentIndex Score
2 records- 0149US2016297776A1Mercaptotriazole drag reducer for transmission pipeline and preparation method thereforPETROCHINA CO LTD·Filed 2014·Application pending·0 cites
- 0245US2016305612A1Perfluoro phosphate-type gas pipeline drag-reducing agent and method of preparing samePETROCHINA CO LTD·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →