Yali Zhang

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Tangshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Logging encapsulated optical-fiber duct cable and manufacturing met...
- Patent number 11,674,386
- Issue date Jun 13, 2023
- SHINDA(TANGSHAN) CREATIVE OIL & GAS EQUIPMENT CO., LTD.
- Jianliang Duan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Homogenization process for coiled tubing
- Patent number 11,268,165
- Issue date Mar 8, 2022
- SHINDA (TANGSHAN) CREATIVE OIL & GAS EQUIPMENT CO., LTD.
- Jianliang Duan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
LOGGING ENCAPSULATED OPTICAL-FIBER DUCT CABLE AND MANUFACTURING MET...
- Publication number 20210355820
- Publication date Nov 18, 2021
- Jianliang Duan
- E21 - EARTH DRILLING MINING
Information Patent Application
HOMOGENIZATION PROCESS FOR COILED TUBING
- Publication number 20200181730
- Publication date Jun 11, 2020
- Shinda (Tangshan) Creative Oil & Gas Equipment Co., Ltd.
- Jianliang Duan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...