Zhen DONG

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Zhuzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tilting disc check valve
- Patent number 10,107,405
- Issue date Oct 23, 2018
- ZHUZHOU SOUTHERN VALVE CO., LTD.
- Jing Huang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
TILTING DISC CHECK VALVE
- Publication number 20160053904
- Publication date Feb 25, 2016
- ZHUZHOU SOUTHERN VALVE CO., LTD.
- Jing HUANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...