Inventor
DEZI LI
Inventor
CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling50%
G01VGeophysics50%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to PETROCHINA CO LTD (1)· patent assignee history
2021Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PETROCHINA CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 1 | 2021 |