SANDONG METAL INDUSTRY

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Gumi-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Downhole motor that improved thread fastening structure
- Patent number 11,002,083
- Issue date May 11, 2021
- SANDONG METAL INDUSTRY
- Suk Soo Chang
- E21 - EARTH DRILLING MINING

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Patents Applicationslast 30 patents

Information Patent Application
Downhole Motor that Improved Thread Fastening Structure
- Publication number 20210010331
- Publication date Jan 14, 2021
- SANDONG METAL INDUSTRY
- Suk Soo CHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
FLOW LINE SEAL STRUCTURE FOR DIVERTER VALVE
- Publication number 20180283131
- Publication date Oct 4, 2018
- SANDONG METAL INDUSTRY
- SUK SOO CHANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SEALING ELEMENT FOR DIVERTER VALVE
- Publication number 20180283125
- Publication date Oct 4, 2018
- SANDONG METAL INDUSTRY
- Suk Soo CHANG
- E21 - EARTH DRILLING MINING

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Trademarklast 30 trademarks

Information Trademark
86934422 - SMI
- Serial number 86934422
- Registration number 5059361
- Filing date Mar 9, 2016
- Sandong Metal Industry Co., LTD
- 6 - Common metals and their alloys