Inventor
Changyong JI
Inventor
CN
Overview
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
11,655,600Method for installing steel tube arches2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023Patents assigned to CHINA RAILWAY NO 3 ENG GROUP (1)· patent assignee history
2023Patents assigned to THE SECOND ENG CO LTD OF THE THIRD ENG GROUP OF CHINA RAILWAY (1)· patent assignee history
2023Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHINA RAILWAY NO 3 ENG GROUP | 1 | 2023 |
| THE SECOND ENG CO LTD OF THE THIRD ENG GROUP OF CHINA RAILWAY | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 1 | 2023 |