Sijin Zhang

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Xinyang City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Pressure control system and means for pressure pouring of cast stee...
- Patent number 10,464,126
- Issue date Nov 5, 2019
- Amsted Rail Company, Inc.
- Zhongxian Du
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Gas pressure tank structure
- Patent number 10,429,007
- Issue date Oct 1, 2019
- Amsted Rail Company, Inc.
- Zhaoli Yang
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Locking mechanism for a tank body and a tank cover of a pressure tank
- Patent number 10,294,696
- Issue date May 21, 2019
- Amsted Rail Company, Inc.
- Yuepeng Zheng
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Pouring metallic plug stick clamping mechanism for cast steel wheels
- Patent number 10,252,330
- Issue date Apr 9, 2019
- Amsted Rail Company, Inc.
- Sijin Zhang
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Locking Mechanism For A Tank Body And A Tank Cover Of A Pressure Tank
- Publication number 20170268257
- Publication date Sep 21, 2017
- AMSTED RAIL COMPANY, INC.
- Yuepeng ZHENG
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Pressure Control System And Means For Pressure Pouring Of Cast Stee...
- Publication number 20170266720
- Publication date Sep 21, 2017
- AMSTED RAIL COMPANY, INC.
- Zhongxian DU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
POURING METALLIC PLUG STICK CLAMPING MECHANISM FOR CAST STEEL WHEELS
- Publication number 20170203360
- Publication date Jul 20, 2017
- AMSTED RAIL COMPANY, INC.
- Sijin Zhang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
GAS PRESSURE TANK STRUCTURE
- Publication number 20170198862
- Publication date Jul 13, 2017
- AMSTED RAIL COMPANY, INC.
- Zhaoli Yang
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS