Inventor · disambiguated record

Qingsheng Jia

Also filed as: JIA QINGSHENG

1 granted patent·8 citations·filing 2016–2016

30Inventor score

Technology areasE21B

Files withCHINA PETROLEUM & CHEM CORP1

Top patents by PatentIndex Score

1 record

0183US9932784B2Device for handling oil pipes and method for workoverCHINA PETROLEUM & CHEM CORP·Filed 2016·Granted Apr 3, 2018·8 cites·19 claims

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Qingsheng Jia — Patent Inventor | PatentIndex