LexDanaLexDanabeta
Inventor

Chunjiang Shi

Inventor
Wuhan, CN

Overview

3→
Patents
2017–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B61Dprimary
B61DBody details or kinds of railway vehicles75%
F16DCouplings for transmitting rotation25%
PatentTitleYear
10,640,133Connecting rod type two-level locking device, hopper car bottom door and hopper car202010,053,118Sidewall structure of hopper car20189,789,883'Two-level locking device, hopper car bottom door and hopper car'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to CRRC YANGTZE CORP LTD (1)· patent assignee history
2017–2020Based in Wuhan, CN· patent location history
2018–2020Patents assigned to CRRC YANGTZE CORPORATION LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CRRC YANGTZE CORPORATION LTD22018–2020
CRRC YANGTZE CORP LTD12017
Locations
LocationPatentsSpan
Wuhan, CN32017–2020