Inventor · disambiguated record
Huiyun Ma
Also filed as: MA HUIYUN
4 granted patents·1 pending application·2 citations·filing 2016–2020
58Inventor score
Top patents by PatentIndex Score
5 records- 0172US11112398B2Apparatus and method for determining volume stability of well cementPETROCHINA CO LTD·Filed 2018·Granted Sep 7, 2021·1 cites·10 claims
- 0270US11994011B2Permanent packer and extended gas lift method using permanent packerPETROCHINA CO LTD·Filed 2020·Granted May 28, 2024·1 cites·10 claims
- 0343US11946349B2Downhole throttling device based on wireless controlPETROCHINA CO LTD·Filed 2020·Granted Apr 2, 2024·0 cites·6 claims
- 0440US10928282B2Method and device for determining elasticity of cement stone utilized in well cementing of oil-gas wellPETROCHINA CO LTD·Filed 2017·Granted Feb 23, 2021·0 cites·7 claims
- 0530US2018038545A1Tube devices and tripodsMA HUIYUN·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →