Inventor · name-matched record
QIU CHENG
2 granted patents·0 citations·filing 2023–2024
23Inventor score
Technology areasE21D
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- 0139US12534629B2Spray-applied polyurethane insulation material for tunnels in cold regions, its application, and its construction methodCHINA ACADEMY RAILWAY SCIENCES CORP LTD·Filed 2024·Granted Jan 27, 2026·0 cites·9 claims
- 0216USD1120114SCard containerCROSSING INC·Filed 2023·Granted Mar 24, 2026·0 cites·1 claims
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Identity basis: exact name match across USPTO filings. How scoring works →