Inventor
Qingnian DAI
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 viaducts17%
E04BGeneral building constructions17%
E04HBuildings or like structures for particular purposes17%
F16FSprings17%
G06FElectric digital data processing17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2026Patents assigned to CHINA RAILWAY BRIDGE SCIENCE RES INST LTD (1)· patent assignee history
2026Patents assigned to CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP CO LTD (1)· patent assignee history
2026Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHINA RAILWAY BRIDGE SCIENCE RES INST LTD | 1 | 2026 |
| CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP CO LTD | 1 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 1 | 2026 |