Inventor · disambiguated record

Gengchang Xie

Also filed as: XIE GENGCHANG

1 granted patent·0 citations·filing 2022–2022

6Inventor score

Technology areasB61G

Files withCRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD1

Top patents by PatentIndex Score

1 record

0151US11498596B2Draft gear, coupler and draft gear and railway trainCRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD·Filed 2022·Granted Nov 15, 2022·0 cites·20 claims

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