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Inventor

Chongqiu Wang

Inventor
Jiangsu, CN

Overview

2→
Patents
2015–2016
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.

B66Bprimary
B66BElevators50%
B21FWorking or processing of metal wire25%
E21DShafts25%
PatentTitleYear
9,242,836'Apparatus and method for automatically adjusting the tension of a flexible guide rail'20169,156,655'Mining elevator traction cable connecting apparatus and measuring method therefor'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2016Patents assigned to CAO GUOHUA (2)· patent assignee history
2015–2016Patents assigned to CHEN GUOAN (2)· patent assignee history
2015–2016Patents assigned to DONGNAN ELEVATOR CO LTD (2)· patent assignee history
2015–2016Patents assigned to KANG HONGQIAO (2)· patent assignee history
2015–2016Patents assigned to LI YILEI (2)· patent assignee history
2015–2016Based in Jiangsu, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CAO GUOHUA22015–2016
CHEN GUOAN22015–2016
DONGNAN ELEVATOR CO LTD22015–2016
KANG HONGQIAO22015–2016
LI YILEI22015–2016
Locations
LocationPatentsSpan
Jiangsu, CN22015–2016