Inventor

Guangwei Xu

Inventor
Shandong, CN

Overview

1→
Patents
2017
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.

B61Cprimary
B61CLocomotives33%
B61DBody details or kinds of railway vehicles33%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to CRRC QINGDAO SIFANG CO LTD (1)· patent assignee history
2017Based in Shandong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CRRC QINGDAO SIFANG CO LTD12017
Locations
LocationPatentsSpan
Shandong, CN12017