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Tangshan, CN
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Patents Grants
last 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
Ultra-long thermally insulated pipeline and forming method thereof
Patent number
11,473,717
Issue date
Oct 18, 2022
SHINDA (TANGSHAN) CREATIVE OIL & GAS EQUIPMENT CO., LTD.
Jianliang Duan
B32 - LAYERED PRODUCTS
Information
Patent Grant
Multichannel composite coiled tubing
Patent number
11,428,055
Issue date
Aug 30, 2022
SHINDA (TANGSHAN) CREATIVE OIL & GAS EQUIPMENT CO., LTD
Jianliang Duan
G06 - COMPUTING CALCULATING COUNTING
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...
Information
Patent Grant
Tubing for electric submersible pumps used in oil production
Patent number
11,220,892
Issue date
Jan 11, 2022
SHINDA (TANGSHAN) CREATIVE OIL & GAS EQUIPMENT CO., LTD.
Jianliang Duan
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Super-long thermal insulation steel jacket pipe and machining proce...
Patent number
10,948,121
Issue date
Mar 16, 2021
SHINDA (TANGSHAN) CREATIVE OIL & GAS EQUIPMENT CO., LTD.
Shujun Zhang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 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
MULTICHANNEL COMPOSITE COILED TUBING
Publication number
20210198956
Publication date
Jul 1, 2021
Shinda (Tangshan) Creative Oil & Gas Equipment Co., Ltd.
Jianliang Duan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TUBING FOR ELECTRIC SUBMERSIBLE PUMPS USED IN OIL PRODUCTION
Publication number
20210198990
Publication date
Jul 1, 2021
Shinda (Tangshan) Creative Oil & Gas Equipment Co., Ltd.
Jianliang Duan
E21 - EARTH DRILLING MINING
Information
Patent Application
ULTRA-LONG THERMALLY INSULATED PIPELINE AND FORMING METHOD THEREOF
Publication number
20210190253
Publication date
Jun 24, 2021
Shinda (Tangshan) Creative Oil & Gas Equipment Co., Ltd.
Jianliang DUAN
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SUPER-LONG THERMAL INSULATION STEEL JACKET PIPE AND MACHINING PROCE...
Publication number
20200240571
Publication date
Jul 30, 2020
Shinda (Tangshan) Creative Oil & Gas Equipment Co., Ltd.
Shujun Zhang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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...