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Inventor

Guimei Deng

Inventor
Shandong, CN

Overview

2→
Patents
2019–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B60Lprimary
B60LPropulsion of electrically-propelled vehicles25%
B61GCouplings25%
H01HElectric switches25%
H01RElectrically-conductive connections25%
PatentTitleYear
10,562,549Train connector and inserted connection member thereof202010,192,694Interlocking control device of multiple-unit train safety circuit2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2020Patents assigned to CRRC QINGDAO SIFANG CO LTD (2)· patent assignee history
2019–2020Based in Shandong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CRRC QINGDAO SIFANG CO LTD22019–2020
Locations
LocationPatentsSpan
Shandong, CN22019–2020