Inventor · disambiguated record

Guoqi Duan

Also filed as: DUAN GUOQI

3 granted patents·2 citations·filing 2018–2018

49Inventor score

Technology areasF16F

Files withZHUZHOU TIMES NEW MAT TECH CO3

Top patents by PatentIndex Score

3 records

0173US11073189B2Pre-compression type emergency air spring assemblyZHUZHOU TIMES NEW MAT TECH CO·Filed 2018·Granted Jul 27, 2021·2 cites·8 claims
0250US11287006B2Emergency air spring assemblyZHUZHOU TIMES NEW MAT TECH CO·Filed 2018·Granted Mar 29, 2022·0 cites·12 claims
0345US11287007B2Prepressed emergency air spring assemblyZHUZHOU TIMES NEW MAT TECH CO·Filed 2018·Granted Mar 29, 2022·0 cites·12 claims

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