Inventor · disambiguated record

Rongxia Cao

Also filed as: CAO RONGXIA

1 granted patent·0 citations·filing 2021–2021

10Inventor score

Technology areasB06B

Files withSHANGHAI ZHENZHONG CONSTRUCTION MACHINERY TECH CO LTD1

Top patents by PatentIndex Score

1 record

0143US11529651B2Vibration excitation device and arc-vibration type tubular pile driving and pulling machineSHANGHAI ZHENZHONG CONSTRUCTION MACHINERY TECH CO LTD·Filed 2021·Granted Dec 20, 2022·0 cites·7 claims

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