Zhaojun LV

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Weihai, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Non-metallic cabling continuous oil pipe
- Patent number 10,914,410
- Issue date Feb 9, 2021
- Weihai Hongtong Piping Materials Co., Ltd.
- Jianqiang Zhao
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
NON-METALLIC UNBONDED FLEXIBLE RISERS FOR DEEP SEA MINING AND MANUF...
- Publication number 20250067125
- Publication date Feb 27, 2025
- CNINA UNIVERSITY OF PETROLEUM-BEIJING
- Yingying WANG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Non-metallic Cabling Continuous Oil Pipe
- Publication number 20200240554
- Publication date Jul 30, 2020
- Weihai Hongtong Piping Materials Co., Ltd.
- Jianqiang ZHAO
- E21 - EARTH DRILLING MINING