LexDanaLexDanabeta
Inventor

Hangwei FANG

Inventor
CN

Overview

1→
Patents
2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E01Bprimary
E01BPermanent way100%
PatentTitleYear
11,162,227Boltless fastener assembly for heavy haul railway with axle load of 35-40 tons2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED RAILWAY ENGINEERING RES INSTITUTE (1)· patent assignee history
2021Patents assigned to CHINA ACADEMY RAILWAY SCIENCES CORP LTD (1)· patent assignee history
2021Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED RAILWAY ENGINEERING RES INSTITUTE12021
CHINA ACADEMY RAILWAY SCIENCES CORP LTD12021
Locations
LocationPatentsSpan
CN12021