Inventor · name-matched record

LIU ZHENGWEI

1 granted patent·1 pending application·0 citations·filing 2022–2025

11Inventor score

Technology areasA01D C11D

Files withBAKER HUGHES OILFIELD OPERATIONS LLC1 POSITEC POWER TOOLS SUZHOU CO LTD1

This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.

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2 records

0167US2026076298A1Power toolPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2025·Application pending·0 cites
0266US12529013B2Injectivity improvement with thioalcoholsBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2022·Granted Jan 20, 2026·0 cites·15 claims

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Identity basis: exact name match across USPTO filings. How scoring works →