Inventor · disambiguated record

Yushuang Liu

Also filed as: LIU YUSHUANG

1 granted patent·0 citations·filing 2018–2018

9Inventor score

Technology areasC09K

Files withCNPC ENG TECH RES & DEV CO LTD1

Top patents by PatentIndex Score

1 record

0150US11060009B2Filtrate reducer for temperature-resistant calcium-resistant water-based drilling fluid used in oil and gas reservoir protection, drilling fluid, and uses thereofCNPC ENG TECH RES & DEV CO LTD·Filed 2018·Granted Jul 13, 2021·0 cites·8 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →