Yong Zhao

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ballastless track system
- Patent number 9,758,932
- Issue date Sep 12, 2017
- Railway Engineering Research Institute of China Academy of Railway Sciences
- Chunfang Lu
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Pre-stressed concrete track slab of slab-type ballast-less track
- Patent number 9,222,225
- Issue date Dec 29, 2015
- Railway Engineering Research Institute of China Academy of Railway Sciences
- Jijun Wang
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Nickel-based superalloy formed by selective laser melting and prepa...
- Publication number 20240189897
- Publication date Jun 13, 2024
- Northwestern Polytechnical University
- Haijun SU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
BALLASTLESS TRACK SYSTEM
- Publication number 20140203094
- Publication date Jul 24, 2014
- RAILWAY ENGINEERING RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES
- Chunfang Lu
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
PRE-STRESSED CONCRETE TRACK SLAB OF SLAB-TYPE BALLAST-LESS TRACK
- Publication number 20130264394
- Publication date Oct 10, 2013
- RAILWAY ENGINEERING RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCE
- Jijun Wang
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES