Inventor

Fangling Cheng

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.

B61Kprimary
B61KAuxiliary equipment specially adapted for railways, not otherwise provided for25%
B61LGuiding railway traffic25%
G01BMeasuring length, thickness or similar linear dimensions25%
G01MTesting static or dynamic balance of machines or structures25%

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