Inventor · disambiguated record
Dawei Ruan
Also filed as: RUAN DAWEI
2 granted patents·1 pending application·0 citations·filing 2018–2021
22Inventor score
Files withCRRC QINGDAO SIFANG CO LTD3
Top patents by PatentIndex Score
3 records- 0145US2023166777A1Bogie for a railway vehicle with roll stabiliserCRRC QINGDAO SIFANG CO LTD·Filed 2021·Application pending·0 cites
- 0239US11505219B2Combined device having device for connecting cross beam for receiving pivot pins and two lower longitudinal beams of coach body for rail vehicleCRRC QINGDAO SIFANG CO LTD·Filed 2018·Granted Nov 22, 2022·0 cites·18 claims
- 0338US11318967B2Crash system for a rail vehicleCRRC QINGDAO SIFANG CO LTD·Filed 2018·Granted May 3, 2022·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →