Dongsheng Mei

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Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Heat treatment method of turnout track and the turnout track
- Patent number 9,765,414
- Issue date Sep 19, 2017
- PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD.
- Ming Zou
- C21 - METALLURGY OF IRON
Information Patent Grant
Metal protection coating, hot-dip Zn metallic material and hot-dip...
- Patent number 9,181,447
- Issue date Nov 10, 2015
- PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD.
- Zhefeng Xu
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
High carbon content and high strength heat-treated steel rail and m...
- Patent number 9,157,131
- Issue date Oct 13, 2015
- PANGANG GROUP CO., LTD.
- Ming Zou
- C21 - METALLURGY OF IRON
Information Patent Grant
Preparation method of hot dip galvanized sheet anti-corrosive treat...
- Patent number 8,742,000
- Issue date Jun 3, 2014
- Pangang Group Steel Vanadium and Titanium Co., Ltd.
- Zhefeng Xu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
HEAT TREATMENT METHOD OF TURNOUT TRACK AND THE TURNOUT TRACK
- Publication number 20140182751
- Publication date Jul 3, 2014
- PANGANG GROUP PANZHIHUA STEEL & VANADIUM CO., LTD.
- Ming Zou
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL RAIL FOR HIGH SPEED AND QUASI-HIGH SPEED RAILWAYS AND METHOD...
- Publication number 20130193223
- Publication date Aug 1, 2013
- Pangang Group Panzhihua Steel & Vanadium Co. Ltd
- Dongsheng Mei
- C21 - METALLURGY OF IRON
Information Patent Application
METAL PROTECTION COATING, HOT-DIP ZN METALLIC MATERIAL AND HOT-DIP...
- Publication number 20130078456
- Publication date Mar 28, 2013
- Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
- Zhefeng Xu
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
PREPARATION METHOD OF HOT DIP GALVANIZED SHEET ANTI-CORROSIVE TREAT...
- Publication number 20120052312
- Publication date Mar 1, 2012
- Pangang Group Steel Vanadium and Titanium Co., Ltd
- Zhefeng Xu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGH CARBON CONTENT AND HIGH STRENGTH HEAT-TREATED STEEL RAIL AND M...
- Publication number 20110253268
- Publication date Oct 20, 2011
- PANGANG GROUP CO., LTD.
- Ming ZOU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...