Inventor · name-matched record
DONG CHANGYIN
1 granted patent·1 pending application·0 citations·filing 2025–2025
1Inventor score
Technology areasE21B
Files withUNIV CHINA PETROLEUM EAST CHINA2
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
2 records- 0162US2026002432A1Method of artificially assisted filling for sand control and water control of fractured reservoir and method for evaluating filling effectUNIV CHINA PETROLEUM EAST CHINA·Filed 2025·Application pending·0 cites
- 0256US12565829B1Combination parameter optimization design method for fracturing and packing dual-particle-size proppants for unconsolidated sandstone reservoirUNIV CHINA PETROLEUM EAST CHINA·Filed 2025·Granted Mar 3, 2026·0 cites·10 claims
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Identity basis: exact name match across USPTO filings. How scoring works →