Inventor · name-matched record
CHANG SHENG
3 granted patents·3 pending applications·0 citations·filing 2022–2025
43Inventor score
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
6 records- 0184US2026063244A1Oil circulation systemYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2025·Application pending·0 cites
- 0283US12560064B2Semi-trailer-loaded turbine fracturing equipmentYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2023·Granted Feb 24, 2026·0 cites·17 claims
- 0364US2026038713A1Corrosion resistant wireline cableSCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 0454US12553515B2Lubrication system for continuous high-power turbine fracturing equipmentYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2022·Granted Feb 17, 2026·0 cites·15 claims
- 0554US2026043699A1Testing and constitutive modeling of creep for wireline cablesSCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 0650US12540575B2Hydraulic fracturing system for driving a plunger pump with a turbine engine and noise reduction thereofYANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD·Filed 2022·Granted Feb 3, 2026·0 cites·10 claims
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Identity basis: exact name match across USPTO filings. How scoring works →