Inventor · disambiguated record
Quanmei Guan
Also filed as: GUAN QUANMEI
2 granted patents·3 citations·filing 2014–2019
37Inventor score
Technology areasB61D
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
Join the waitlist — get patent alerts
Get an alert when Quanmei Guan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →