Inventor · name-matched record

YAN SIMENG

1 granted patent·0 citations·filing 2024–2024

1Inventor score

Technology areasE21D

Files withCHINA ACADEMY RAILWAY SCIENCES CORP 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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1 record

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

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