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Panzhihua, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Heat treatment method for increasing the depth of hardening layer i...
Patent number
10,214,799
Issue date
Feb 26, 2019
PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD.
Zhenyu Han
C21 - METALLURGY OF IRON
Information
Patent Grant
Hypereutectoid steel rail and preparation method thereof
Patent number
10,196,781
Issue date
Feb 5, 2019
PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD.
Zhenyu Han
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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
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
Patents Applications
last 30 patents
Information
Patent Application
HYPEREUTECTOID STEEL RAIL AND PREPARATION METHOD THEREOF
Publication number
20170044721
Publication date
Feb 16, 2017
PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INST ITUTE CO., LTD.
Zhenyu Han
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH AND HIGHLY FATIGUE-RESISTANT STEEL RAIL AND PRODUCTIO...
Publication number
20160194729
Publication date
Jul 7, 2016
Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
Yong Deng
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-IMPACT-TOUGHNESS STEEL RAIL AND PRODUCTION METHOD THEREOF
Publication number
20160194730
Publication date
Jul 7, 2016
Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
Jun YUAN
C21 - METALLURGY OF IRON
Information
Patent Application
PEARLITIC STEEL RAIL WITH HIGH STRENGTH AND TOUGHNESS AND PRODUCING...
Publication number
20160060736
Publication date
Mar 3, 2016
Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
Zhenyu HAN
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT TREATMENT METHOD FOR INCREASING THE DEPTH OF HARDENING LAYER I...
Publication number
20160010188
Publication date
Jan 14, 2016
Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
Zhenyu Han
C21 - METALLURGY OF IRON
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
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...
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