Inventor

DU XIANGGANG

CN3 patents

⚠️ This page may combine multiple inventors who share the name “DU XIANGGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LU CHUNFANG

1 patent

US9758932B2Sep 12, 2017

Ballastless track system

LU CHUNFANG3 citations60

WANG JIJUN

1 patent

US9222225B2Dec 29, 2015

Pre-stressed concrete track slab of slab-type ballast-less track

WANG JIJUN3 citations55

CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED RAILWAY ENGINEERING RES INSTITUTE

1 patent

US11136724B2Oct 5, 2021

Fiber-reinforced prestressed reinforced concrete sleeper

CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED RAILWAY ENGINEERING RES INSTITUTE1 citations50