Inventor · disambiguated record

Dongdong Niu

Also filed as: NIU DONGDONG

1 granted patent·0 citations·filing 2021–2021

4Inventor score

Technology areasF15B

Files withXUZHOU XCMG EXCAVATOR MACHINERY CO LTD1

Top patents by PatentIndex Score

1 record

0141US12228152B2Pilot proportional control valve apparatus, automatic calibration method and mediumXUZHOU XCMG EXCAVATOR MACHINERY CO LTD·Filed 2021·Granted Feb 18, 2025·0 cites·17 claims

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