Inventor · disambiguated record

Feifei Wan

Also filed as: WAN FEIFEI

1 granted patent·0 citations·filing 2017–2017

2Inventor score

Technology areasF04B

Files withHARBIN SURFICS ELECTRICAL TECH INC1

Top patents by PatentIndex Score

1 record

0134US10539129B2Electric machine driving method and system under non-conventional work mode of oil pumping unitHARBIN SURFICS ELECTRICAL TECH INC·Filed 2017·Granted Jan 21, 2020·0 cites·1 claims

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