LexDanaLexDanabeta
Inventor

Qunfa SHAN

Inventor
CN

Overview

1→
Patents
2025
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B61Dprimary
B61DBody details or kinds of railway vehicles33%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles33%
Y02TClimate change mitigation technologies related to transportation33%
PatentTitleYear
12,195,056Underframe boundary beam connecting structure suitable for railway vehicle with drum-shaped vehicle body2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to CRRC NANJING PUZHEN CO LTD (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CRRC NANJING PUZHEN CO LTD12025
Locations
LocationPatentsSpan
CN12025