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Inventor

QIFEN WEI

Inventor
CN

Overview

1→
Patents
2023
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

E01Dprimary
E01DConstruction of bridges, elevated roadways or viaducts100%
PatentTitleYear
11,753,780Mid-span axial force-free connecting device for earth-anchored cable-stayed bridge and method for mounting same2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to HUBEI COMMUNICATIONS PLANNING AND DESIGN INST CO LTD (1)· patent assignee history
2023Patents assigned to HUBEI JIAOTOU SHIXI EXPRESSWAY CO LTD (1)· patent assignee history
2023Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUBEI COMMUNICATIONS PLANNING AND DESIGN INST CO LTD12023
HUBEI JIAOTOU SHIXI EXPRESSWAY CO LTD12023
Locations
LocationPatentsSpan
CN12023