Zhi GAO

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Kelamayi City, Xinjiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multi-way valve and multi-way valve skid thereof
- Patent number 10,041,599
- Issue date Aug 7, 2018
- WUHU KING-BULL INFORTEC PETROLEUM EQUIPMENT CO., LTD.
- Mingmin Wan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve seat ring and multi-way valve having valve seat ring
- Patent number 9,958,074
- Issue date May 1, 2018
- KELAMAYI KING-BULL INFORTEC PETROLEUM EQUIPMENT CO., LTD.
- Mingmin Wan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MULTI-POSITION VALVE AND MULTI-POSITION VALVE SKID THEREOF
- Publication number 20180017176
- Publication date Jan 18, 2018
- WUHU KING-BULL INFORTEC PETROLEUM EQUIPMENT CO., LTD.
- Mingmin WAN
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
MULTI-WAY VALVE
- Publication number 20180010698
- Publication date Jan 11, 2018
- WUHU KING-BULL INFORTEC PETROLEUM EQUIPMENT CO., LTD.
- Mingmin WAN
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SEAT RING AND MULTI-WAY VALVE HAVING VALVE SEAT RING
- Publication number 20170130850
- Publication date May 11, 2017
- KELAMAYI KING-BULL INFORTEC PETROLEUM EQUIPMENT CO., LTD.
- Mingmin WAN
- E21 - EARTH DRILLING MINING