Nianchun Liu

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Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Slam-shut safety device with an operational feedback system
- Patent number 10,443,749
- Issue date Oct 15, 2019
- FISHER JEON GAS EQUIPMENT (CHENGDU) CO., LTD.
- Jing Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
SLAM-SHUT SAFETY DEVICE WITH AN OPERATIONAL FEEDBACK SYSTEM
- Publication number 20190186646
- Publication date Jun 20, 2019
- FISHER JEON GAS EQUIPMENT(CHENGDU) CO., LTD.
- Jing Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...