Inventor · disambiguated record

Quanmei Guan

Also filed as: GUAN QUANMEI

2 granted patents·3 citations·filing 2014–2019

37Inventor score

Technology areasB61D

Files withCRRC TANGSHAN CO LTD1 TANGSHAN RAILWAY VEHICLE CO1

Top patents by PatentIndex Score

2 records

0164US9409580B2Obstacle removing and energy absorbing device and leading car of motor train unitTANGSHAN RAILWAY VEHICLE CO·Filed 2014·Granted Aug 9, 2016·3 cites·20 claims
0238US12157505B2Sidewall window structure module of train, and trainCRRC TANGSHAN CO LTD·Filed 2019·Granted Dec 3, 2024·0 cites·18 claims

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