Inventor
Xiancheng Mei
Inventor
Jiangsu, CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Cprimary
E21CMining or quarrying33%
E21DShafts33%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2020Patents assigned to UNIV CHINA MINING (1)· patent assignee history
2020Based in Jiangsu, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CHINA MINING | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Jiangsu, CN | 1 | 2020 |