Ma; Huiyun
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ma; Huiyun.The latest application filed is for "downhole throttling device based on wireless control".
- Ma; Huiyun - Beijing CN
- MA; Huiyun - Shenzhen CN
| Patent | Date |
|---|---|
| Downhole Throttling Device Based On Wireless Control App 20220205346 - Xie; Jun ; et al. | 2022-06-30 |
| Apparatus and method for determining volume stability of well cement Grant 11,112,398 - Wang , et al. September 7, 2 | 2021-09-07 |
| Method and device for determining elasticity of cement stone utilized in well cementing of oil-gas well Grant 10,928,282 - Zheng , et al. February 23, 2 | 2021-02-23 |
| Apparatus And Method For Determining Volume Stability Of Well Cement App 20190302092 - WANG; Fuyun ; et al. | 2019-10-03 |
| Method And Device For Determining Elasticity Of Cement Stone Utilized In Well Cementing Of Oil-gas Well App 20190271621 - ZHENG; Youzhi ; et al. | 2019-09-05 |
| Tube Devices And Tripods App 20180038545 - MA; Huiyun | 2018-02-08 |
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