Inventor

KEYU CAO

Inventor
CN

Overview

1→
Patents
2022
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.

B60Lprimary
B60LPropulsion of electrically-propelled vehicles20%
B60TVehicle brake control systems or parts thereof20%
B61HBrakes or other retarding devices specially adapted for rail vehicles20%
B61LGuiding railway traffic20%
Y02TClimate change mitigation technologies related to transportation20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to CRRC TANGSHAN CO LTD (1)· patent assignee history
2022Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CRRC TANGSHAN CO LTD12022
Locations
LocationPatentsSpan
CN12022