Dadong Li

Person

Sichuan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Mobile flash butt welding method for 136RE+SS heat-treated rail
- Patent number 10,870,165
- Issue date Dec 22, 2020
- PANGANG GROUP RESEARCH INSTITUTE CO., LTD.
- Xin Lu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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

Patents Applicationslast 30 patents

Information Patent Application
POST-WELD HEAT TREATMENT METHOD FOR 1,300 MPa-LEVEL LOW-ALLOY HEAT...
- Publication number 20220064746
- Publication date Mar 3, 2022
- Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
- Wei BAI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
MOBILE FLASH BUTT WELDING METHOD FOR 136RE+SS HEAT-TREATED RAIL
- Publication number 20190061041
- Publication date Feb 28, 2019
- PANGANG GROUP RESEARCH INSTITUTE CO., LTD.
- Xin LU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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-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
BAINITIC STEEL RAIL CONTAINING TRACE AMOUNTS OF CARBIDES AND PRODUC...
- Publication number 20150322553
- Publication date Nov 12, 2015
- Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
- Zhenyu Han
- 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

Person

Patents Grantslast 30 patents

Mobile flash butt welding method for 136RE+SS heat-treated rail

Heat treatment method for increasing the depth of hardening layer i...

Hypereutectoid steel rail and preparation method thereof

Patents Applicationslast 30 patents

POST-WELD HEAT TREATMENT METHOD FOR 1,300 MPa-LEVEL LOW-ALLOY HEAT...

MOBILE FLASH BUTT WELDING METHOD FOR 136RE+SS HEAT-TREATED RAIL

HYPEREUTECTOID STEEL RAIL AND PREPARATION METHOD THEREOF

HIGH-IMPACT-TOUGHNESS STEEL RAIL AND PRODUCTION METHOD THEREOF

PEARLITIC STEEL RAIL WITH HIGH STRENGTH AND TOUGHNESS AND PRODUCING...

HEAT TREATMENT METHOD FOR INCREASING THE DEPTH OF HARDENING LAYER I...

BAINITIC STEEL RAIL CONTAINING TRACE AMOUNTS OF CARBIDES AND PRODUC...

STEEL RAIL FOR HIGH SPEED AND QUASI-HIGH SPEED RAILWAYS AND METHOD...